& Abbreviation Guide - Aviation Today
& Abbreviation Guide - Aviation Today
& Abbreviation Guide - Aviation Today
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AEROSPACE<br />
ACRONYM<br />
& <strong>Abbreviation</strong> <strong>Guide</strong><br />
3D, 4D three- or four-dimensional<br />
3G third generation<br />
4096 Code combinations of four-digit transponder<br />
code<br />
A<br />
A ampere(s)<br />
A autotuned navaid<br />
A-BPSK aviation binary phase shift keying<br />
A-QPSK aeronautical quadrature phase<br />
shift keying<br />
A-SMGCS advanced surface movement<br />
guidance and control systems<br />
A/B autobrake<br />
A/C aircraft<br />
A/D analog-to-digital<br />
A/G air/ground; air to ground<br />
A/L airline<br />
A/L autoland<br />
A/N alphanumeric<br />
A/P autopilot<br />
A/T autothrottle<br />
A&P airframe and power plant<br />
AAC aeronautical administration<br />
communications<br />
AAC airline administrative communications<br />
AAIB Air Accident Investigation<br />
Branch (U.K. equivalent of NTSB)<br />
AAF airway facilities service<br />
AAI Airline Avionics Institute<br />
AAIPT Aging Aircraft Enterprise Team<br />
AAIU air accident investigation unit<br />
AAL above aerodome level<br />
AALC autonomous approach landing<br />
capability<br />
AAMP advanced architecture microprocessor<br />
AAR Automated Aerial Refueling<br />
AATD <strong>Aviation</strong> Applied Technology<br />
Directorate (U.S. Army)<br />
AATT advanced air transportation<br />
technology<br />
AAS advanced automation system<br />
(FAA)<br />
ABC automatic brightness control<br />
AC advisory circular<br />
AC alternating current<br />
AC2 Dolby surround<br />
ACAA Air Carrier Association of America<br />
ACAC air-cooled air cooler<br />
ACAMS aircraft condition analysis management<br />
system<br />
ACARS aircraft communications<br />
addressing and reporting system<br />
ACAS airborne collision avoidance<br />
system<br />
ACC active clearance control<br />
ACC airspace control center<br />
ACC area control center<br />
ACD automatic conflict detection<br />
ACDO Air Carrier District Office<br />
ACE actuator control electronics<br />
ACE advanced certification equipment<br />
ACG Assessment Compliance Group<br />
ACIPS airfoil cowl ice protection system<br />
ACF area control facility<br />
ACK acknowledgment<br />
ACMF airplane condition monitoring<br />
function<br />
ACMP alternating current motor pump<br />
ACMS aircraft condition monitoring<br />
system<br />
ACNSS advanced communication/navigation/surveillance<br />
system<br />
ACP audio control panel<br />
ACS active control system<br />
ACS audio control system<br />
ACT active<br />
ACTC airport traffic control towers<br />
ACTD advanced concept technology<br />
demonstration<br />
ACU aircraft communications system<br />
ACU antenna control unit<br />
ACU apron control unit<br />
ACU autopilot control unit<br />
AD airworthiness directive (FAA)<br />
ADAHRS air data attitude heading reference<br />
system<br />
ADAS automated weather observing<br />
system data acquisition system<br />
ADB airport database<br />
ADC air data computer<br />
ADC Air Defense Command<br />
ADE application development engineer<br />
ADF automatic direction finding<br />
ADG air-driven generator<br />
ADI attitude director indicator<br />
ADIRS air data inertial reference system<br />
ADIRU air data inertial reference unit<br />
ADL aeronautical data link<br />
ADLP airborne data link protocol<br />
ADLP aircraft data link processor<br />
(Mode S)<br />
ADM air data module<br />
ADMS airline data management system<br />
ADN aircraft data network<br />
ADO airline dispatch office<br />
ADO airport district office<br />
ADP air driven pump<br />
ADR address<br />
ADR Advanced Data Research<br />
ADR alternative dispute resolution<br />
ADRAS airplane data recovery and<br />
analysis system<br />
ADS air data system<br />
ADS automatic dependent surveillance<br />
ADS-A automatic dependent<br />
surveillance-addressed<br />
ADS-A automatic dependent<br />
20 Avionics Magazine December 2008 www.avtoday.com/av
surveillance-automation<br />
ADS-B automatic dependent<br />
surveillance-broadcast<br />
ADS-C ADS-contract<br />
ADS-R ADS-rebroadcast<br />
ADSEL address selective<br />
ADSP<br />
automatic dependent<br />
surveillance panel<br />
ADSSG ADS Study Group (ICAO)<br />
ADSU automatic dependent<br />
surveillance unit<br />
ADT air data tester<br />
AEA Aircraft Electronics Association<br />
AECU audio electronic control unit<br />
AED ALGOL extended for design<br />
AEEC formerly Airlines Electronic Engineering<br />
Committee (ARINC)<br />
AEP ARINC engineering practices<br />
AEP audio entertainment player<br />
AERA automated en route air traffic<br />
control<br />
AES aircraft earth station (Inmarsat)<br />
AESA active electronically scanned<br />
array<br />
AESS aircraft environment<br />
surveillance system<br />
AEW airborne early warning<br />
AEW&C Airborne Early Warning and Control<br />
AF airway facilities<br />
AFC Aeronautical Frequency<br />
Committee (AEEC)<br />
AFC automatic frequency compensation<br />
AFC automatic frequency control<br />
AFCAS automatic flight control augmentation<br />
system<br />
AFCS automatic flight control system<br />
AFD adaptive flight display<br />
AFD autopilot flight director<br />
AFDC autopilot flight director computer<br />
AFDS autopilot flight director system<br />
AFDX avionics full-duplex switched<br />
Ethernet<br />
AFEPS ACARS front-end processing<br />
system<br />
AFGCS automatic flight guidance and<br />
control system<br />
AFI authority format identifier<br />
AFIRS autonomous flight information<br />
collection and reporting system<br />
AFIS airborne flight information system<br />
AFIS automated flight inspection system<br />
AFM aircraft flight manual<br />
AFMS automatic flight management<br />
system<br />
AFN air traffic services facilities<br />
notification<br />
Raytheon Advanced Combat Radar, a retrofit AESA system, installed on F-16<br />
AFP Airspace Flow Program<br />
AFRL Air Force Research Lab<br />
AFS additional secondary factors<br />
AFS aeronautical fixed service (ICAO)<br />
AFS automatic flight system<br />
AFSK audio frequency shift keying<br />
AFSS automated flight service stations<br />
AFTN aeronautical fixed telecommunications<br />
network<br />
AFTRCC Aerospace and Flight Test Radio<br />
Coordinating Council<br />
AFU artificial feel unit<br />
AGACS automatic A/G communication<br />
system<br />
AGAE A/G applications engineering<br />
AGATE Advanced General <strong>Aviation</strong><br />
Transport Experiments (NASA)<br />
AGC automatic gain control<br />
AGCOS A/G communication services<br />
AGCS air-ground communication systems<br />
AGCU auxiliary generator control unit<br />
AGD ADS-B guidance display<br />
AGDL A/G data link<br />
AGIS A/G intermediate system<br />
AGL above ground level<br />
AGR A/G router<br />
AGRM air/ground router-regional manager<br />
AGS A/G system<br />
AGSS ACARS ground system standard<br />
(AEEC)<br />
AGTS A/G test station<br />
AGVS A/G voice sub-network<br />
AGW ARTS gateway<br />
AHC attitude heading computer<br />
AHMS aircraft health monitoring system<br />
AHRS attitude heading reference system<br />
AI alternative interrogator<br />
AI application interface<br />
AI area incursion<br />
AIA Aerospace Industries Association<br />
AIAA American Institute of Aeronautics<br />
and Astronautics<br />
AIC aeronautical information circular<br />
AIDC air traffic services interfacility<br />
data communications<br />
AIDS aircraft/airborne integrated data<br />
system<br />
AIED aeronautical industry engineering<br />
and development<br />
AIEM Airlines International Electronic<br />
Meeting (AMC)<br />
AIFSS automated international flight<br />
service stations<br />
AIL aileron<br />
AIM airman’s information manual<br />
AIMS airplane information management<br />
system (Boeing 777)<br />
AIMS airport information management<br />
system<br />
AINSC aeronautical industry service<br />
communication<br />
AIO analog input/output<br />
AIP aeronautical information publication<br />
AIP Airport Improvement Program<br />
AIP analog input<br />
AIRAC aeronautical information regulation<br />
and control<br />
AIRCOM digital air/ground communications<br />
service (SITA)<br />
AIRE Atlantic Interoperability Initiative<br />
to Reduce Emissions (FAA)<br />
AIRMET airman’s meteorological information<br />
AIRO analog input/reference output<br />
AIS aeronautical information service<br />
AIS automatic information services<br />
(Eurocontrol)<br />
AISG Applications Interface Sub-Group<br />
(IATA)<br />
AIV accumulator isolation valve<br />
AJPS AFEPS journal processing system<br />
AKO Army Knowledge Online<br />
ALC airline link control<br />
ALC asynchronous link control<br />
www.avtoday.com/av December 2008 Avionics Magazine 21
Aerospace Acronym <strong>Guide</strong> •••<br />
ALC automatic level control<br />
ALMDS airborne laser mine detection<br />
system<br />
ALPA Air Line Pilots Association<br />
ALPS automatic line protection service<br />
ALS application layer structure<br />
ALT airborne link terminal<br />
ALT altitude/alternate<br />
ALT-HOLD altitude hold mode<br />
ALTM altimeter<br />
ALTN alternate<br />
ALTRV altitude reservation<br />
ALTS altitude select<br />
ALU arithmetic and logic unit<br />
AM access module<br />
AM amplitude modulation<br />
AMASS airport movement area safety<br />
system<br />
AMC advanced mezzanine card<br />
AMC Air Mobility Command<br />
AMC auxiliary maintenance computer<br />
AMC Avionics Maintenance Conference<br />
AMCP aeronautical mobile communications<br />
panel<br />
AMD advisory map display<br />
AME amplitude modulation equivalent<br />
AMF Airborne, Maritime and Fixed Station<br />
AMF-M AMF-Maritime<br />
AMF-SA AMF-Small Airborne<br />
AMF JTRS Airborne and Maritime/Fixed Station<br />
Joint Tactical Radio System<br />
AMI airline modifiable information<br />
AMLCD active matrix liquid crystal display<br />
AMIS aircraft management information<br />
system<br />
AMOSS airline maintenance and operation<br />
support system<br />
AMP audio management panel<br />
AMP Avionics Modernization Program<br />
AMPL amplifier<br />
AMRAAM Advanced Medium-Range Air to<br />
Air Missile<br />
AMS acquisition management system<br />
AMS apron management service<br />
AMS ARINC maintenance service<br />
AMS avionics management service<br />
AMS(R)S aeronautical mobile satellite<br />
(route) service<br />
AMSS aeronautical mobile satellite service<br />
AMTOSS aircraft maintenance task oriented<br />
support system<br />
AMTS aeronautical message transfer<br />
service<br />
AMU ACARS/avionics management<br />
unit<br />
AMU audio management unit<br />
AMUX audio multiplexer<br />
ANC Air Navigation Commission (ICAO)<br />
ANDC airport and navigation data compiler<br />
ANFR Agence Nationale des Frequences<br />
(France)<br />
ANFS aircraft network and file server<br />
ANICS Alaskan NAS Interfacility<br />
Communication<br />
ANLP ARINC network layer protocol<br />
ANP actual navigation performance<br />
ANP air navigation plan/performance<br />
ANPA advanced notice of proposed<br />
amendment<br />
ANR active noise reduction<br />
ANS air navigation system<br />
ANS ambient noise sensor<br />
ANSI American National Standards<br />
Institute<br />
ANSIR advanced navigation system inertial<br />
reference<br />
ANSP air navigation service provider<br />
ANSU avionics network server unit<br />
ANTC advanced networking test center<br />
AO acronymic obfuscation<br />
AOA ACARS over AVLC<br />
AOA angle of arrival<br />
AOA angle of attack<br />
AOAS advanced oceanic automation<br />
system<br />
AOC aeronautical operational control<br />
AOC aircraft operational control<br />
AOC Airline Operational Control Center<br />
AOC airline operations center<br />
AOC airport obstruction chart<br />
AOC airport operational communications<br />
AOCC airline operations control center<br />
AODB airport operational database<br />
AODC age of data, clock (GPS)<br />
AODE age of data, ephemeris (GPS)<br />
AOG aircraft on ground<br />
AOHE air/oil heat exchanger<br />
AOM aircraft operating manual<br />
AOP aeronautical OSI profile<br />
AOP airline operational procedure<br />
AOP analog output<br />
AOPA Aircraft Owners and Pilots Association<br />
AOR Atlantic Ocean region<br />
AOR area of responsibility<br />
AOR-E Atlantic Ocean region-east<br />
AOR-W Atlantic Ocean region-west<br />
AP airport location (ACARS/AFEPS)<br />
APA Allied Pilots Association<br />
APA autopilot amplifier<br />
APANPIRG Asia/PAC Air Navigation Planning<br />
& Implementation Regional Group<br />
APAS Active/Passive Aircraft Survivability<br />
APB acquisition program baseline<br />
APB auxiliary power breaker<br />
APC aeronautical passenger<br />
communication<br />
APC aeronautical public correspondence<br />
APC autopilot computer<br />
APCO Association of Public Safety<br />
Communications Officials<br />
APFA Association of Professional Flight<br />
Attendants<br />
APFDS autopilot flight director system<br />
APEX application/executive software<br />
API application programming interface<br />
APIM ARINC Industry Activities Project<br />
Initiation/Modification<br />
APIRS attitude and positioning inertial<br />
reference system<br />
APMS automated performance<br />
measurement system<br />
APL Applied Physics Laboratory<br />
APLC airport performance laptop<br />
computers<br />
APM approach path monitor<br />
APN ARINC packet network<br />
APP approach control<br />
APPR approach<br />
APR actual performance reserve<br />
APRL ATN profile requirement list<br />
APU auxiliary power unit<br />
APUC auxiliary power unit controller<br />
APX application/executive software<br />
AQF avionics qualification facility<br />
AQP avionics qualification procedure/<br />
program<br />
AQP advanced qualification program<br />
AQS advanced quality system<br />
ARB arbitrary waveform generator<br />
ARC aviation rulemaking committee<br />
(FAA)<br />
ARD advanced requirement definition<br />
ARDEP analysis of research & development<br />
in Eurocontrol programs<br />
ARF airline risk factor<br />
ARM area regional manager<br />
ARMC area regional maintenance center<br />
ARP air data reference panel<br />
ARTAS ATM surveillance tracker and<br />
server<br />
ASAS aircraft separation assurance<br />
system (AEEC)<br />
ASAS aviation safety analysis system<br />
ASC aircraft system controller<br />
ASC aural synthesizer card<br />
ASCII American standard code for<br />
information interchange<br />
ASCB avionics standard communication<br />
bus<br />
ASCPC air supply and cabin pressure<br />
controllers<br />
ASCS air supply control system<br />
ASCU anti-skid control unit<br />
ASD aircraft situation display<br />
ASDAR aircraft-to-satellite data relay<br />
ASDB aircraft specific database<br />
ASDE airport surface detection equipment<br />
ASDE-X airport surface detection<br />
equipment, model X<br />
ASDI Aircraft Situation Display to Industry<br />
ASDL aeronautical satellite data link<br />
ASDR airport surface detection radar<br />
ASE altimetry system error<br />
ASECNA Agency for Security of Aerial Navigation<br />
in Africa and Madagascar<br />
ASG ARINC signal gateway<br />
22 Avionics Magazine December 2008 www.avtoday.com/av
••• Aerospace Acronym <strong>Guide</strong><br />
ASI airspeed indicator<br />
ASI avionics system integration<br />
ASIAS <strong>Aviation</strong> Safety Information<br />
Analysis and Sharing (FAA)<br />
ASIC application specific integrated<br />
circuit<br />
ASL above sea level<br />
ASM airspace management<br />
ASM autothrottle servo motor<br />
ASME American Society of Mechanical<br />
Engineers<br />
ASOR Allocating Safety Objectives<br />
and Requirements<br />
ASOS automated surface observation<br />
system<br />
ASP ACARS sub-network protocol<br />
ASP acquisition strategy paper<br />
ASP aeronautical fixed service systems<br />
planning (AFS)<br />
ASP altitude set panel<br />
ASP arrival sequencing program<br />
ASPP application specific programmable<br />
processor<br />
ASR airport surveillance radar<br />
ASRAAM advanced short range air-toair<br />
missile<br />
ASRS aviation safety reporting system<br />
ASSTC aerospace simulation and systems<br />
test center<br />
ASSV alternate source selection valve<br />
ASTA airport surface traffic automation<br />
ASTAMIDS Airborne Standoff Minefield<br />
Detection System<br />
ASTERIX All-Purpose Structured Eurocontrol<br />
Surveillance Information<br />
Exchange<br />
ASTF airspace system task force<br />
ASTM American Society for Testing<br />
and Materials<br />
ASTOR Airborne Stand-Off Radar (U.K.)<br />
ASVI avionics serial video interface<br />
ASV alternate servo valve<br />
AT air transport<br />
AT at an altitude<br />
ATA actual time of arrival<br />
ATA Air Transport Association<br />
ATAS aviation traffic and application<br />
software<br />
ATC advanced technology center<br />
ATC air traffic control<br />
ATCA Air Traffic Control Association<br />
ATCBI ATC beacon interrogator<br />
ATCC area and terminal control center<br />
ATCRBS ATC radar beacon system<br />
ATCSS ATC signaling system<br />
ATCT air traffic control tower<br />
ATIS airport traffic information system<br />
ATIS automated terminal information<br />
service<br />
ATIS-B automatic terminal information<br />
service-broadcast<br />
ATDL air transport data link<br />
ATE automatic test equipment<br />
ATE avionics test and evaluation<br />
ATFM air traffic flow management<br />
ATG advanced concept technology<br />
demonstration<br />
ATHR autothrust system<br />
ATSRAC Aging Transport Systems Rulemaking<br />
Advisory Committee<br />
ATI airborne tracker illuminator<br />
ATIDS airport surface target identification<br />
system/service<br />
ATIS airport traffic information system<br />
ATIS automatic terminal information<br />
service<br />
ATL autothrottle limit<br />
ATLAS abbreviated test language for<br />
avionics systems<br />
ATM air traffic management<br />
ATM asynchronous transfer mode<br />
ATMAC Air Traffic Management<br />
Committee (RTCA)<br />
ATMAS ATM automation system<br />
ATMB Air Traffic Management Bureau<br />
ATM DSS ATM decision support service<br />
ATMS area navigation, test and management<br />
services<br />
ATN aeronautical telecommunication<br />
network<br />
XXXXX_Goodrich_EFB_Avionics_Jul08_120x178:24324_EFB_ATE_&_M_126x186 5/6/08 17:42 Page 1<br />
Chart to right is © Jeppesen Sanderson, Inc. 2008. Chart shown is for illustration<br />
purposes and not to be used for navigation.<br />
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www.avtoday.com/av December 2008 Avionics Magazine 23
Aerospace Acronym <strong>Guide</strong> •••<br />
ATNE ATN engineering<br />
ATNP ATN panel<br />
ATO air traffic operations<br />
ATO Air Traffic Organization (FAA)<br />
ATOL automatic take-off and landing<br />
ATOP advanced technologies and oceanic<br />
procedures<br />
ATP acceptance test procedure/plan<br />
ATPAC Air Traffic Procedures Advisory<br />
Committee (FAA)<br />
ATR acceptance test report<br />
ATR air transport racking<br />
ATR air transport radio: ARINC formfactor/standard<br />
case dimensions<br />
ATS air traffic services<br />
ATS air turbine starter<br />
ATS autothrottle system<br />
ATSAW Airborne Traffic Situational<br />
Awareness<br />
ATSC air traffic services communication<br />
AT/SC autothrottle/speed control<br />
Teledyne AWLU<br />
ATSGF air traffic services geographic<br />
filter<br />
ATSMP air traffic services message processor<br />
ATSO air traffic services organization<br />
ATSP air traffic services provider<br />
ATSRAC Aging Transport Systems Rulemaking<br />
Advisory Committee (FAA)<br />
ATSU air traffic services unit<br />
ATWR apron tower (and operator)<br />
AUSRIRE All Union Scientific Research<br />
Institute of Radio Equipment: CIS<br />
(former Soviet) agency<br />
AUX auxiliary<br />
AVC aviation VHF car rental availability<br />
(messages)<br />
AVH aviation VHF hotel availability<br />
(messages)<br />
AVLAN avionics local area network<br />
AVLC aviation VHF link control<br />
AVM airborne vibration monitor<br />
AVN avionics<br />
AVOD audio and video channels on<br />
demand<br />
AVOL aerodrome visibility operational<br />
level<br />
AVPAC aviation VHF packet<br />
communications<br />
AVS aviation VHF seat availability<br />
(messages)<br />
AWACS airborne warning and control system<br />
AWAS automated weather advisory station<br />
AWG American wire gauge<br />
AWIN advanced weather information<br />
system<br />
AWIN aviation weather information<br />
AWIPS advanced weather interactive<br />
processing system<br />
AWLU aircraft wireless LAN unit<br />
AWM auto warning mixer<br />
AWO all weather operations<br />
AWOP AWO panel<br />
AWOS automated/airport weather<br />
observing system<br />
AWR aviation weather research<br />
AZ azimuth: angular measurement in<br />
horizontal plane<br />
B<br />
B-NAV basic area navigation<br />
BAMS Broad Area Maritime Surveillance<br />
BBML broadband multi-link<br />
BDA bomb damage assessment<br />
BDMIS business data management and<br />
invoicing system<br />
BDS comm-B designation subfield<br />
BEA Bureau d’Enquetes Accidents<br />
(French equivalent of NTSB)<br />
BEP back-end processor<br />
BEPMS BEP management system<br />
BER bit error rate<br />
BFE buyer furnished equipment<br />
BFO beat frequency oscillator<br />
BFT Blue Force Tracking<br />
BGARS basic general aviation research<br />
simulator<br />
BGI bus grant inhibit<br />
BGP border gateway protocol<br />
BI burn-in<br />
Bi-SC Bi-Strategic Command<br />
BiG bilingual ground station (ACARS<br />
and VDL Mode 2)<br />
BIS boundary intermediate system<br />
BISMS BIS management system<br />
BIST built-in self-test<br />
BiSync binary synchronous control<br />
BIT built-in test<br />
Bit a binary digit<br />
BITE built-in test equipment<br />
BIU bus interface unit<br />
BLK block/black<br />
BMV brake metering valve<br />
BNR binary<br />
BNS boundary notification system<br />
(squitters)<br />
BOC binary offset carrier<br />
BOC bottom of climb<br />
BOP/COP bit-oriented protocol/characteroriented<br />
protocol<br />
BP bite processor<br />
BPCU bus power control unit<br />
BPL broadband over powerlines<br />
BPS bits per second<br />
BPSK binary phase shift keying<br />
BR bridge<br />
BRG bearing<br />
BRI basic rate interface<br />
BRNAV basic area navigation<br />
BRT brightness<br />
BSN backbone sub-network<br />
BSC binary synchronous communication<br />
BSCU brake system control unit<br />
BSP board support package<br />
BSU beam steering unit<br />
BSU bypass switch unit<br />
BTB bus tie breaker<br />
BTMU brake temperature monitor unit<br />
BU backup<br />
BUEC BU emergency communications<br />
BUFR binary universal form for communication<br />
representation<br />
BWAN BU wide area network<br />
Byte a grouping of eight bits<br />
C<br />
C2 command and control<br />
C41 command, control, communications,<br />
computers & intelligence<br />
C4ISR command, control, communications,<br />
computers, intelligence,<br />
surveillance and reconnaissance<br />
C-MANPADS Counter-Man Portable Air Defense<br />
System<br />
C/A code course acquisition code<br />
(GPS)<br />
C/NO carrier-to-noise density ratio<br />
C/R command/response<br />
C/SOIT communications/surveillance<br />
operational implementation team<br />
C/UT code/unit test<br />
C&C command and control (also C2)<br />
C&W control and warning<br />
CA conflict alert<br />
CAA Civil <strong>Aviation</strong> Administration<br />
CAA Civil <strong>Aviation</strong> Authority<br />
CAAC Civil <strong>Aviation</strong> Administration of<br />
China<br />
CAAFI Commercial <strong>Aviation</strong> Alternative<br />
Fuels Initiative (FAA)<br />
CAAS common avionics architecture<br />
system<br />
CAASD Center for Advanced <strong>Aviation</strong><br />
System Development (MITRE<br />
Corp.)<br />
CAB Civil Aeronautics Board<br />
CAC caution advisory computer<br />
CACP cabin area control panel<br />
CAD computer-aided design<br />
CADAG Communications, Automation and<br />
Data Link Applications Group<br />
CADC central air data computer (an<br />
24 Avionics Magazine December 2008 www.avtoday.com/av
••• Aerospace Acronym <strong>Guide</strong><br />
analog system)<br />
CADS centralized automatic dependent<br />
surveillance<br />
CAE component application engineer<br />
CAGE commercial avionics GPS engine<br />
CAH cabin attendant handsets<br />
CAI caution annunciator indicator<br />
CALSEL variation of SELCAL system<br />
CAM computer-aided manufacturing<br />
CAN controller area network<br />
CANbus control area network<br />
CANSO Civil Air Navigation Services<br />
Organization<br />
CAOC Combined Air Operations Center<br />
CAP Civil Air Patrol (U.S.)<br />
CAPA Coalition of Airline Pilots Association<br />
CAPS commercial airliner protection<br />
system<br />
CARE cooperative actions on R&D in<br />
Eurocontrol<br />
CAS collision avoidance system<br />
CAS commercially available software<br />
CAS computed airspeed<br />
CASA controller automated spacing aid<br />
CASCADE Co-operative ATS (Air Traffic<br />
Services) through Surveillance<br />
and Communication Applications<br />
Deployed in ECAC (European Civil<br />
<strong>Aviation</strong> Conference)<br />
CASE computer-aided software<br />
engineering<br />
CASR Civil <strong>Aviation</strong> Safety Regulations<br />
CASS Consolidated Automated Support<br />
System<br />
CAT categories (I, II, IIIa/b/c) approach<br />
CAT clear air turbulence<br />
CAT computer aided testing<br />
CAVS CDTI assisted visual separation<br />
CBA cost/benefit analysis<br />
CBT computer-based training<br />
CC connection confirm<br />
CCA circuit card assembly<br />
CCB configuration control board<br />
CCB converter circuit breaker<br />
CCD category class diagram<br />
CCD charged coupled device<br />
CCD coherent change detection<br />
CCD cursor control device<br />
CCIR International Radio Consultative<br />
Committee<br />
CCITT Consultative Committee International<br />
Telephone and Telegraph<br />
CCP consolidated control panel<br />
CCS cabin communication system<br />
CCS common core system<br />
CCTV closed-circuit television<br />
CD carrier detect<br />
CD chrominance difference<br />
CDA continuous descent approach<br />
CDA coordinating design authority<br />
CDAM centralized data acquisition module<br />
CDAM common data acquisition module<br />
CDG configuration database generator<br />
CDI course deviation indicator<br />
CDM collaborative decision-making<br />
CDMS CDM system<br />
CDMS control and data management<br />
system<br />
CDP continuous data program<br />
CDR critical design review<br />
CDS central dispatch system<br />
CDS cockpit display systems<br />
TechSAT<br />
Avionics Bus Interface Family<br />
TechSAT North America<br />
Lake Washington Air Harbor • Hangar Three<br />
3849 N.E. 98th Street • Seattle WA 98115 • USA<br />
Tel +1 (206) 910-3908<br />
north.america@techsat.com<br />
CDS common display system<br />
CDSS cockpit door surveillance system<br />
CDT controlled departure time<br />
CDTI cockpit display of traffic information<br />
CDU control display unit<br />
CDV compressed digital video<br />
CEC cooperative engagement capability<br />
CEI cabin equipment interfaces<br />
CENTCOM U.S. Central Command<br />
CENTRIXS Combined Enterprise Regional<br />
Exchange System<br />
ARINC 664/AFDX® – ARINC 429 – MIL-STD-1553<br />
Powerful on-board protocol engines<br />
Consistent features and interfaces<br />
Comprehensive error injection/detection capabilities<br />
Integration on PCI, cPCI, PXI, PCIe, and VME platforms<br />
Driver and API support for Windows, Linux, or VxWorks<br />
Bus analyzer software and support for many TechSAT<br />
avionics simulations: CMS/CMC/CMCF, CIDS, IFE, RDC<br />
www.techsat.com<br />
Test & Integration Systems Products<br />
Software Solutions Service & Support<br />
TechSAT GmbH<br />
Technical Systems for Avionics and Test<br />
Gruber Strasse 46c • 85586 Poing • Germany<br />
Tel +49 (8121) 703-0 • Fax +49 (8121) 703-177<br />
ts-info@techsat.com<br />
www.avtoday.com/av December 2008 Avionics Magazine 25<br />
TechSAT_Avionics 12_08_hmg.indd 1 04.11.2008 17:23:46
Aerospace Acronym <strong>Guide</strong> •••<br />
CEP circular error probable<br />
CF change field<br />
CFDIU centralized fault display interface<br />
unit<br />
CFDS central fault display system<br />
CFDU configurable file data unit<br />
CFIT controlled flight into terrain<br />
CFM cubic feet per minute<br />
CFM configuration management<br />
CFMU central flow management unit<br />
CFS cabin file server<br />
CG center of gravity<br />
CHAIN Compartmented High Assurance<br />
Information Network<br />
CHI computer/human interface<br />
CHIS center hydraulic isolation system<br />
CI configuration item<br />
CI cabin interphone<br />
CID category interaction diagram<br />
CIDIN common ICAO data interchange<br />
network<br />
CIDS cabin interphone distribution<br />
system<br />
CIE Commission Internationale de<br />
I‘Eclairage<br />
CIGS copper-indium-gallium-diselenide<br />
CIP capital investment plan<br />
CIP convergence & implementation<br />
program (Eurocontrol)<br />
CIS common information services<br />
CIS corporate information system<br />
CLNP connectionless network protocol<br />
CLNS connectionless network service<br />
CLTP connectionless mode transport<br />
protocol<br />
CM context/configuration management<br />
CMC central maintenance computer<br />
CMCF CMC function<br />
CMCS CMC system<br />
CMD command<br />
CMF common message format<br />
CMGT contract management<br />
CMM capability maturity model<br />
CMM common mode monitor<br />
CMM component maintenance manual<br />
CMN control motion noise<br />
CMOS complementary metal oxide<br />
semiconductor<br />
CMP configuration management plan<br />
CMS cabin management system<br />
CMU communication management unit<br />
CND can not duplicate<br />
CNDB customized navigation database<br />
CNES Centre National d’Etudes Spatiales<br />
(France)<br />
CNI communications, navigation and<br />
identification<br />
CNP com/nav/pulse<br />
CNR customer notification reports<br />
CNS communication, navigation<br />
surveillance<br />
CNS/ATM communications, navigation, surveillance/air<br />
traffic management<br />
CNSI com/nav/surveillance/identification<br />
CNUS cabin network server unit<br />
COA certificate of authorization<br />
CODEC coder/decoder<br />
COM cockpit operating manual<br />
COMINT communications intelligence<br />
COMINT/DF COMINT direction finding<br />
COMM communications<br />
COM/MET/OPS communications/meteorological/<br />
operations<br />
CON continuous<br />
COMSAT Communications Satellite Corp.<br />
CONOPS concept of operations<br />
CONUS continental United States<br />
COP character-oriented protocol<br />
COTP connection-oriented transport<br />
protocol<br />
COTR contracting officer’s technical<br />
representative<br />
COTS commercial-off-the-shelf<br />
CP central processor<br />
CP conflict probe<br />
CP control panel<br />
CPA closest point of approach<br />
CPA Coalition of Airline Pilots Associations<br />
CPA collision prediction and alerting<br />
Rockwell Collins CMU-900<br />
CPC cabin pressure controller<br />
CPC controller-pilot communications<br />
CPC cursor position control<br />
CPCI computer program configuration<br />
item<br />
CPCS cabin pressure control system<br />
CPDLC controller-pilot data link communications<br />
CPE circular position error<br />
CPI continuous process improvement<br />
CPM core processing module<br />
CPM critical path method<br />
CPS cabin pressure sensor<br />
CPS central processing system<br />
CPU central processing unit<br />
CR change of request<br />
CR connection request<br />
CR contrast ratio<br />
CRA conflict resolution advisory<br />
CRAF Civil Reserve Air Fleet<br />
CRC cyclic redundancy checking/code<br />
CRD current routing domain<br />
CRADA cooperative research and development<br />
agreement<br />
CRM crew/cockpit resource management<br />
CRPA controlled reception pattern<br />
antenna<br />
CRS Congressional Research Service<br />
(U.S.)<br />
CRISD computer resources integrated<br />
support document<br />
CRISTAL CoopeRative Validation of Surveillance<br />
Techniques and Applications<br />
(Eurocontrol)<br />
CRM collision risk model<br />
CRM crew resource management<br />
CRMA code reuse multiple access<br />
CRR cutover readiness review<br />
CRS course<br />
CRT cathode ray tube<br />
CRZ cruise<br />
CS commercial service<br />
CS common service<br />
CSC cargo system controller<br />
CSC common signaling channel<br />
CSC computer software component<br />
CSCI computer software configuration<br />
item<br />
CSF command/status frame<br />
CsLEOS BAE Systems real-time operating<br />
system<br />
CSMA carrier sense multiple access<br />
CSMA/CD carrier sense multiple access<br />
with collision detection<br />
CSCP cabin system control panel<br />
CSDB commercial standard data bus<br />
CSDS cargo smoke detector system<br />
CSEU control systems electronics unit<br />
CSMM crash survivable memory modules<br />
CSMU cabin system management unit<br />
CSP Common Sensor Payload<br />
CSPA closely spaced parallel approach<br />
CSS cabin systems subcommittee<br />
CSTAC Commercial Space Transportation<br />
Advisory Committee (FAA)<br />
CSU channel service unit<br />
CSU computer software unit<br />
CSU configuration strapping unit<br />
CTA control area<br />
CTA controlled time of arrival<br />
CTAF common traffic advisory frequency<br />
CTAI cowl thermal anti-icing<br />
CTAS center TRACON automation system<br />
CTC cabin temperature controller<br />
CTD cabin training device<br />
CTL control<br />
CTMO centralized air traffic flow management<br />
organization<br />
CTOL conventional takeoff and landing<br />
CTR center<br />
CTR control zone<br />
CTRD configuration test requirements<br />
document<br />
CTRL control<br />
CTS clear to send<br />
CTS conformance test suite<br />
CTS/TCTS combat training system/tactical<br />
combat training system<br />
CTU cabin telecommunications unit<br />
CU channel utilization<br />
26 Avionics Magazine December 2008 www.avtoday.com/av
••• Aerospace Acronym <strong>Guide</strong><br />
CU combiner unit (HUD)<br />
CU control unit<br />
CUG closed user group<br />
CUTE common use terminal equipment<br />
CV/DFDR cockpit voice and digital flight<br />
data recorder<br />
CVR cockpit voice recorder<br />
CVRCP cockpit voice recorder control<br />
panel<br />
CW clockwise<br />
CW continuous wave<br />
CWI continuous wave interference<br />
CWID Coalition Warrior Interoperability<br />
Demonstration<br />
CWP central weather processor<br />
CWP controller/ed working position<br />
CWS control wheel steering<br />
D<br />
D8PSK differential 8-phase-shift keying<br />
D-ATIS digital automatic terminal<br />
information service<br />
D-OTIS data link operational terminal<br />
service<br />
D-TAXI data link taxi clearance delivery<br />
D-TOC digital transfer of communications<br />
DA descent advisor<br />
DA design authority<br />
DA digital-to-analog<br />
DABS discrete addressable beacon system<br />
DAC digital-to-analog converters<br />
DADC digital air data computer<br />
DADS digital air data system<br />
DAISS digital airborne intercommunication<br />
switching system<br />
DAP digital service access product<br />
DAP direct action penetration<br />
DAP downlink aircraft parameter<br />
DAP download of aircraft parameter<br />
DAR data access recorder<br />
DARC direct access radar channel<br />
DARP dynamic aircraft route planning<br />
DARPA Defense Advanced Research<br />
Projects Agency (U.S.)<br />
DAS designated alteration station<br />
DAS digital audio subcommittee<br />
DAS distributed aperture system<br />
DASS defensive aids sub-system<br />
DB database<br />
dB decibel<br />
dBA dB adjusted<br />
DBI downlink block identifier<br />
dBI dB referenced to an isotropic<br />
antenna<br />
dBI decibels above isotopic circular<br />
dBM dB below 1 milliwatt<br />
DBS direct broadcast satellite<br />
DBU database unit<br />
DBU dial backup<br />
dBW dB-watts or referenced to 1 watt<br />
DC direct current<br />
DC disconnect confirm<br />
DCAS digital control audio system<br />
DCD double channel duplex<br />
DCE data communications equipment<br />
DCGF data conversion gateway function<br />
DCL departure clearance (European)<br />
DCM digital coherent mute<br />
DCMF data communication<br />
management function<br />
DCMS data communication<br />
management system<br />
DCN document/drawing/design<br />
change notice<br />
DCP data communication process<br />
DCP display control panel<br />
DCS double channel simplex<br />
DCU data concentration unit<br />
DCV directional control valve<br />
DD data delivery<br />
DDA digital differential analyzer<br />
DDD dual disk drive<br />
DDM difference in depth of modulation<br />
DDP declarations of design and<br />
performance<br />
DDR draft document review<br />
DDR double data rate<br />
DDRMI digital distance radio magnetic<br />
indicator<br />
DDS direct digital synthesizer<br />
DDT downlink data transfer<br />
DER designated engineering<br />
representative<br />
DERA Defense Research and Evaluation<br />
Agency (U.K.)<br />
DEU display electronics unit<br />
DF direction finding<br />
DFA direction finding antenna<br />
DFCS digital flight control system<br />
DFDAF digital flight data acquisition<br />
function<br />
DFDAMU digital flight data acquisition<br />
management unit<br />
DFDAU digital flight data acquisition unit<br />
DFDR digital flight data recorder<br />
DFDU digital flight data unit<br />
DFGC digital flight guidance computer<br />
DFGS digital flight guidance system<br />
DFIDU dual function interactive display<br />
unit<br />
DFIU digital flight instrument unit<br />
DFS Deutsche Flugsicherung GmbH<br />
(Germany)<br />
DFS digital frequency select<br />
DfT Department for Transport (U.K.)<br />
DFU digital function unit<br />
DG directional gyro<br />
DGNSS differential global navigation satellite<br />
system<br />
DGPS differential global positioning<br />
system<br />
DH decision height<br />
DHCP dynamic host configuration protocol<br />
DHS Department of Homeland Security<br />
DI data interrupt<br />
DIFAX digital facsimile<br />
DIGNU deeply integrated guidance and<br />
navigation unit<br />
DIP data interrupt program<br />
DIP dual in-line package<br />
DIR director<br />
DIRCM direct infrared countermeasures<br />
DIR/INTC direct intercept<br />
DISA Defense Information Systems<br />
Agency (U.S.)<br />
DISC disconnect<br />
DISCH discharge<br />
DIST distance<br />
DITS data information transfer system<br />
DL data link<br />
DLAP data link application processor<br />
DLC data link control<br />
DLCI data link control identifier<br />
DLE data link entity<br />
DLK data link (AEEC)<br />
DLL data link layer<br />
DLM data link management unit<br />
DLME data link and message engineering<br />
DL/MSU data loader/mass storage unit<br />
DLNA diplexer/low-noise amplifier<br />
DLORT data link operational requirements<br />
team<br />
DLP data link processor<br />
DLS data link service/system<br />
DLU download unit<br />
DM disconnected mode<br />
DMA direct memory access<br />
DMD digital memory device<br />
DME distance measuring equipment<br />
DME/N DME normal<br />
DME/P DME precision<br />
DMM data memory module<br />
DMS data link management system<br />
DMS debris monitoring sensor<br />
DMU data management unit<br />
DoD Department of Defense (U.S.)<br />
DoT Department of Transportation<br />
(U.S.)<br />
DOTS dynamic ocean tracking system<br />
DPI dots per inch<br />
DPR dual port RAM<br />
DPSK differential phase shift keying<br />
DR dead reckoning<br />
DR deduced reckoning<br />
DRAM dynamic random access memory<br />
DRER designated radio engineering<br />
representative (FAA)<br />
DRN document release notice<br />
DRVSM domestic reduced vertical<br />
separation minimum<br />
DSAD digital service access device<br />
DSARC defense system acquisition<br />
review cycle<br />
DSB double side band<br />
DSB-AM DSB-amplitude modulation<br />
DSDU data signal display unit<br />
www.avtoday.com/av December 2008 Avionics Magazine 27
Aerospace Acronym <strong>Guide</strong> •••<br />
DSF display system function<br />
DSP data link service provider<br />
DSP departure sequencing program<br />
DSP digital signal processor<br />
DSP display select panel<br />
DSP domain specific part<br />
DSPDRV display driver<br />
DSR display system replacement<br />
DSS decision support services<br />
DSU data signaling unit<br />
DT&E development test and evaluation<br />
DTD data terminal display<br />
DTD document type definition<br />
DTE data terminal equipment<br />
DTED digital terrain evaluation data<br />
DTG distance-to-go<br />
DTM demonstration test milestone<br />
DTMF dual tone multifrequency<br />
(telephone)<br />
DTP distributed targeting processor<br />
DTPDU data protocol data unit<br />
DTRS data transceiver router server<br />
DTS digital theatre systems<br />
DTU data transfer unit<br />
DU display unit<br />
DUAT direct user access terminal<br />
DUATS direct user access terminal system<br />
DUST dual-use science and technology<br />
DVF demonstration and validation<br />
facility<br />
DVM digital voltmeter<br />
DVMC digital video map computer<br />
DVOR Doppler very high frequency<br />
omnidirectional range<br />
DVRS digital voice recorder system<br />
DWAN direct WAN<br />
E<br />
E-PIREPS electronic pilot reports<br />
E/D end-of-descent<br />
E/O engine-out<br />
E&E electronics and equipment<br />
EAA Experimental Aircraft Association<br />
EACARS enhanced ACARS<br />
EAD engine alert display<br />
EAD European AIS database<br />
(Eurocontrol)<br />
EADI electronic attitude director indicator<br />
EADS European Aeronautic Defence and<br />
Space Co.<br />
EAFR enhanced airborne flight recorder<br />
EAI engine anti-ice<br />
EAL evaluation assurance level<br />
EAL-7 evaluation assurance level-7<br />
EANPG European Air Navigation Planning<br />
Group<br />
EAP engine alert processor<br />
EAROM electrically alterable read-only<br />
memory<br />
EARTS en route automated radar tracking<br />
system<br />
EAS equivalent airspeed<br />
EASA European <strong>Aviation</strong> Safety Agency<br />
EASIE enhanced ATM and Mode S<br />
implementation in Europe<br />
EATCHIP European air traffic control harmonization<br />
& integration program<br />
EATMS European ATM System (Eurocontrol)<br />
EATRADA European ATM Research and<br />
Development Association<br />
EBR extended bit rate<br />
EC European Commission<br />
ECAC European Civil <strong>Aviation</strong> Conference<br />
ECAM electronic caution alert module<br />
ECC error correcting code<br />
ECEF earth-centered, earth-fixed<br />
ECL emitter coupler logic<br />
eCM equipment conditioning monitoring<br />
ECMP electronic component management<br />
system<br />
ECN engineering change notice<br />
ECO engineering change order<br />
ECP EICAS control panel<br />
ECP engineering change proposal<br />
ECS engineering compiler system<br />
ECS environmental control system<br />
ECS event criterion subfield<br />
ECSL left environmental control system<br />
card<br />
ECSMC ECS miscellaneous card<br />
ECSR right environmental control<br />
system card<br />
ECU electronic control unit<br />
ED EICAS display<br />
EDA electronic design automation<br />
EDAC error detection and correction<br />
EDARC enhanced direct access radar<br />
channel<br />
Sandel SN3500 EHSI<br />
EDC error detection and correction<br />
EDDS electronic document distribution<br />
service<br />
EDI electronic data interchange<br />
EDI engine data interface<br />
EDIF engine data interface function<br />
EDIS emergency digital information<br />
service<br />
EDIU engine data interface unit<br />
EDMS electronic data management system<br />
EDP electronic data processing<br />
EDP engineering development pallet<br />
EDP engine driven pump<br />
EDS embedded diagnostic system<br />
EDS explosive detection system<br />
EDU electronic display unit<br />
EE electrical engineer<br />
EE electronics equipment<br />
EEAS enhanced en-route automation<br />
system<br />
EEC electronic engine control<br />
EEC Eurocontrol Experimental Center<br />
EEPROM electrical erasable programmable<br />
ROM<br />
EEU ELMS electronics unit<br />
EFB electronic flight bag<br />
EFC expected further clearance<br />
EFD electronic flight display<br />
EFDAS European logical flight data<br />
server (Eurocontrol)<br />
EFDP European flight data processing<br />
(Eurocontrol)<br />
EFIC electronic flight instrument<br />
controller<br />
EFIP electronic flight instrument<br />
processor<br />
EFIS electronic flight instrument system<br />
EFIS CP EFIS control panel<br />
EGI embedded GPS/INS<br />
EGIHO expedited ground-initiated handoff<br />
EGNOS European Geostationary Overlay<br />
System<br />
EGP exterior gateway protocol<br />
EGPWS enhanced ground proximity<br />
warning system<br />
EGT exhaust gas temperature<br />
EHF extremely high frequency<br />
EHSI electronic horizontal situation<br />
indicator<br />
EHV electro-hydraulic valve<br />
EIA Electrical Institute of America<br />
EIA Electronic Industries Association<br />
EICAS engine indication and crew alert<br />
system<br />
EICASC EICAS controls<br />
EIPI extended initial protocol identifier<br />
EIRP earth incident radiated power<br />
EIRP effective isotropic radiation power<br />
EIS electronic instrument system<br />
EIS engine indication system<br />
EIS environmental impact statement<br />
EISA extended industry standard<br />
architecture<br />
EIU electronic interface unit<br />
ELB electronic logbook<br />
ELEC electrical<br />
ELM extended length message<br />
ELMS electrical load management system<br />
ELS electronic library system<br />
ELT emergency locator transmitter<br />
EM electromagnetic<br />
EM element manager<br />
EMATS endurance management air traffic<br />
system<br />
28 Avionics Magazine December 2008 www.avtoday.com/av
••• Aerospace Acronym <strong>Guide</strong><br />
EMC electromagnetic compatibility<br />
EMC entertainment multiplexer controller<br />
EMD engineering, manufacturing and<br />
development<br />
EMER emergency<br />
EMI electromagnetic interference<br />
EMS emergency medical services<br />
EMS engine management system<br />
EMU expansion module unit<br />
ENG engine<br />
ENOC engineering network operations<br />
center<br />
EO/IR electro-optic/infrared<br />
EOD end of day<br />
EO DAS electro-optical distributed aperture<br />
system<br />
EOLA European pre-operational data<br />
link applications<br />
EOM end of message<br />
EOT end of text<br />
EOTS electro-optical targeting system<br />
EP engineering project<br />
EP external power<br />
EPC engineering project contractor<br />
EPCS engine propulsion control system<br />
EPLD electronically programmable logic<br />
device<br />
EPLRS enhanced position location and<br />
reporting system<br />
EPR engine pressure ratio<br />
Mid-Continent ESAI<br />
EPROM erasable programmable ROM<br />
EPS electrical power system<br />
EPV end-point voltage<br />
EQTG electronic qualification test guide<br />
ERAM En Route Automation Modernization<br />
ERAST environment research aircraft<br />
and sensor technology<br />
ERB Engineering Review Board<br />
ERD end routing domain<br />
EROPS extended range operations<br />
ERP effective radiation power<br />
ERP eye reference point<br />
ERPDU error protocol data unit<br />
ERP PDU echo replay protocol data unit<br />
ERQ PDU echo request protocol data unit<br />
ERU engine replay unit<br />
ES end system<br />
ES extended squitter<br />
ESA European Space Agency<br />
ESAI electronic standby attitude indicator<br />
ESAS electronic situation awareness<br />
system<br />
ESAS enhanced situational awareness<br />
system<br />
ESD electrostatic discharge<br />
ESDS electrostatic discharge and soldering<br />
ESH end system hello<br />
ESID engine and system indication<br />
display<br />
ESIS electronic standby instrument<br />
system<br />
ESIS engine and system indication<br />
system<br />
ESM electronic support measures<br />
ESOIC enhanced small-outline IC<br />
ESR equivalent-series resistance<br />
ESS electronic switching system<br />
ESS environmental stress screening<br />
ESSD electrostatic sensitive devices<br />
ESU environmental sensor unit<br />
ETA estimated time of arrival<br />
ETAS enhanced TRACON/tower automation<br />
system<br />
ETB end of block (ASCII/IA5 character)<br />
ETB engineering test bed<br />
ETC estimated time of completion<br />
ETD estimated time of departure<br />
www.avtoday.com/av December 2008 Avionics Magazine 29
Aerospace Acronym <strong>Guide</strong> •••<br />
ETE estimated time enroute<br />
ETI elapsed time indicator<br />
ETM elapsed time measurement<br />
ETM electronic training manuals<br />
ETMS engine-trend monitoring services<br />
ETMS enhanced traffic management<br />
system<br />
ETNO European Telecommunications<br />
Network Operators<br />
ETOPS extended operations<br />
ETOPS extended twin-engine operations<br />
ETP equal time point (halfway there,<br />
by time)<br />
ETRC expected taxi ramp clearances<br />
ETVS enhanced terminal voice switch<br />
ETX end of transmission<br />
EU electronic unit<br />
EU European Union<br />
EUAFS enhanced upper air forecast system<br />
EUPS external uninterruptible<br />
power supply<br />
EURATN European ATN<br />
EURET European research on transport<br />
systems<br />
EUROCAE European Organization for Civil<br />
<strong>Aviation</strong> Equipment (European<br />
equivalent of RTCA)<br />
EV earned value<br />
EVM error vector magnitude<br />
EVS enhanced vision system<br />
EW electronic warfare<br />
EWIS electrical wiring interconnection<br />
system<br />
EZAP enhanced zonal analysis<br />
procedures<br />
F<br />
F Fahrenheit<br />
F/O first officer<br />
F&E facilities and equipment<br />
FA final approach<br />
FAA Federal <strong>Aviation</strong> Administration<br />
(U.S.)<br />
FAA/EURO FAA/Eurocontrol R&D committee<br />
FAATC FAA Technical Center<br />
FAB functional airspace blocks<br />
FAB-T family of advanced beyond-lineof-sight<br />
terminals<br />
FAC flight augmentation computer<br />
FADEC full authority digital engine/electronic<br />
control<br />
FAF final approach fix<br />
FAI first article inspection<br />
FAMIS full aircraft management/inertial<br />
system<br />
FANS Future Air Navigation System<br />
(ICAO)<br />
FAR federal acquisition regulation<br />
FAR federal aviation regulation<br />
FAST final approach spacing tool<br />
FAT factory acceptance test<br />
FBCB2 Force XXI Battle Command Brigade<br />
and Below<br />
FBL fly by light<br />
FBN fly by night<br />
FBO fixed-base operator<br />
FBW fly by wire<br />
FC functional capability<br />
FC foot candles<br />
FC-AV Fibre Channel-Audio Video<br />
FCA functional configuration audit<br />
FCC Federal Communications Commission<br />
(U.S.)<br />
FCC flight control computer<br />
FCDC flight critical direct current<br />
FCM future concepts for maintenance<br />
FCMA FANS Central Monitoring Agency<br />
FCP flight control panel<br />
FCP flight control processor<br />
FCS flight control system<br />
FCS frame check sequence<br />
FCS Future Combat Systems<br />
FCS future concepts for simulators<br />
FD flight dynamics/director<br />
FD final data<br />
FDAF flight data acquisition function<br />
FDAU flight data acquisitions unit<br />
Universal Avionics FMS<br />
FDB flight plan data bank<br />
FDDI fiber distribution data interface<br />
FDE fault detection and exclusion<br />
FDEP flight data entry panel<br />
FDH flight deck handset<br />
FDI fault detection and isolation<br />
FDIMU flight data interface management<br />
unit<br />
FDIO flight data input/output<br />
FDM flight data monitoring<br />
FDM frequency division multiplex<br />
FDMA frequency division multiple<br />
access<br />
FDPS flight data processing system<br />
FDR flight data recorder<br />
FDRS flight data recorder system<br />
FDP flight data processor<br />
FEATS Future European Air Traffic Management<br />
System<br />
FEC forward error correction<br />
FEP front-end processor<br />
FERNS Far East Radio Navigation Service<br />
FF fuel flow<br />
FFS full flight simulator<br />
FFT full flight trainer<br />
FGC flight guidance computer<br />
FGS flight guidance system<br />
FHA functional hazard assessment<br />
FIAO flight inspection area office<br />
FIB forwarding information base<br />
FIFO first in, first out<br />
FIM fault isolation manual<br />
FIR flight information region<br />
FIS flight information services<br />
FIS-B FIS-broadcast<br />
FIX position in space usually on<br />
aircraft’s flight plan<br />
FL flight level<br />
FL foot lampert<br />
FLCH flight level change<br />
FLIR forward-looking infrared<br />
FLTCK flight check<br />
FltWinds flight and weather information<br />
and decision support<br />
FLW forward-looking windshear radar<br />
FM frequency modulation<br />
FMA flight mode annunciator<br />
FMAC Frequency Management Advisory<br />
Council<br />
FMC flight management control/computer<br />
FMC FPGA mezzanine card<br />
FMC future concepts for maintenance<br />
FMCDU flight management control and<br />
display unit (FMS)<br />
FMCF flight management computer<br />
function<br />
FMCS flight management computer<br />
system<br />
FMCW frequency-modulated continuous<br />
wave<br />
FMEA failure mode and effects analysis<br />
FMF flight management function<br />
FMGC flight management guidance<br />
computer<br />
FMGEC flight management guidance<br />
envelope computer<br />
FMP flight mode panel<br />
FMS flight management system<br />
FMS full mission simulator<br />
FMSG Frequency Management Study<br />
Group (ICAO)<br />
FMST flight management system trainer<br />
FMU fuel metering unit<br />
FNPRM further notice of proposed<br />
rulemaking<br />
FOC full operational capability<br />
FOC fuel/oil cooler<br />
FOD foreign object debris<br />
FODA flight operations data assurance<br />
FOG fiber optic gyro<br />
FOQA flight operational quality assurance<br />
FOS fiber optics subcommittee<br />
FOV field of view<br />
FOWG fiber optics working group<br />
FPA flight path angle<br />
30 Avionics Magazine December 2008 www.avtoday.com/av
••• Aerospace Acronym <strong>Guide</strong><br />
FPA focal plane array<br />
FPAC flight path acceleration<br />
FPC flight profile comparator<br />
FPGA field programmable gate array<br />
FPM feet per minute<br />
FPV flight path vector<br />
FQIS fuel quality indicating system<br />
FQPU fuel quality processor unit<br />
FQR formal qualification review<br />
FR frame relay<br />
FRA flap retraction altitude<br />
FRAD frame relay access device<br />
FRCS flight recorder configuration<br />
standard<br />
FRED flight recorder electronic<br />
documentation<br />
FRM fault reporting manual<br />
FRM flammability reduction means<br />
FRM frame reject mode<br />
FRMR frame reject<br />
FRP Federal Radionavigation Plan<br />
(U.S.)<br />
FRPA fixed reception pattern antenna<br />
FRQ frequency<br />
FSAS flight service automation system<br />
FSDO Flight Standards District Office<br />
(FAA)<br />
FSE FANS systems engineering<br />
FSE field service engineer<br />
FSEMC Flight Simulator Engineering and<br />
Maintenance Conference<br />
FSEU flap slat electronics unit<br />
FSF Flight Safety Foundation<br />
FSM flight schedule monitoring<br />
FSS flight service station<br />
FSWE FANS software engineering<br />
FT functional test<br />
FT/ADIRS fault tolerant/air data inertial<br />
reference system<br />
FTE flight technical error<br />
FTK freight tonne kilometers<br />
FTP file transfer protocol<br />
FTPP fault tolerant power panel<br />
FTS Federal Telecommunications<br />
System<br />
FVHF future VHF system study<br />
(Eurocontrol)<br />
FW failure warning<br />
FW firewall router<br />
FWC flight warning computer<br />
FWD forward<br />
FWS flight warning system<br />
FY fiscal year<br />
G<br />
G/A ground/air or ground-to-air<br />
G/G ground/ground<br />
G/S glide slope<br />
GA general aviation<br />
GA go-around<br />
GAAS gallium arsenide<br />
GACS genetic ATN communications<br />
service<br />
GAGAN geostationary augmentation<br />
network<br />
GAIN galley inserts<br />
GAIT ground-based augmentation and<br />
integrity technique<br />
GAMA General <strong>Aviation</strong> Manufacturers<br />
Association<br />
GAN global area network<br />
GAO Government Accountability Office<br />
(U.S.)<br />
GATM global air traffic management<br />
GAViS general aviation vision system<br />
GBAS ground-based augmentation<br />
system<br />
Garmin GPS display<br />
GBST ground based software tool<br />
GBT ground-based transceiver<br />
Gbyte gigabyte (billion bytes)<br />
GCA ground-controlled approach<br />
GCAS ground collision avoidance<br />
system<br />
GCB generator circuit breaker<br />
GCC ground cluster controller (ACARS)<br />
GCP glare-shield control panel<br />
GCS ground clutter suppression<br />
GCU generator control unit<br />
GDLP ground data link processor<br />
GDOP geometric dilution of precision<br />
GDP ground delay program<br />
GENOT general notice<br />
GEO geosynchronous/geostationary<br />
earth orbit<br />
GEP ground entry point<br />
GES ground earth station<br />
GFE government furnished equipment<br />
GFI general format identifier<br />
GFLOPS gigaflops<br />
GFSK Gaussian frequency shift keying<br />
GG graphics generator<br />
GGR G/G router<br />
GGS GPS ground station<br />
GGTFM ground-ground traffic flow management<br />
GH ground handling<br />
GHz gigahertz<br />
GI group identifier<br />
GIB GNSS integrity broadcast<br />
GIC GNSS integrity channel<br />
GIC GPS integrity channel<br />
GIG Global Information Grid<br />
GIG-BE GIG-Band Expansion<br />
GICB ground-initiated comm-B<br />
GIHO ground initiated handoff<br />
GINS GPS-inertial navigation systems<br />
GIOVE-A Galileo In-Orbit Validation<br />
Experiment-A<br />
GIP government-industry partnership<br />
GIS geodetic information system<br />
GIS graphical information system<br />
GIVE grid inospheric vertical error<br />
GJU Galileo joint undertaking<br />
GL ground location (ACARS/AFEPS)<br />
GL group length<br />
GLC geographic locator codes<br />
GLNS GPS landing and navigation system<br />
GLONASS Global Navigation Satellite<br />
System (Russia)<br />
GLS GNSS landing system<br />
GLS GPS landing system<br />
GLU GPS landing unit<br />
GM guidance material<br />
GMC ground movement control<br />
GMDS ground mobile data service<br />
GMR giant magnetoresistive<br />
GMR Ground Mobile Radio<br />
GMT Greenwich mean time<br />
GMTI ground moving target indicator<br />
GMU GPS monitoring unit<br />
GNA global network architecture<br />
GNE gross navigational error<br />
GNR global navigation receiver<br />
GNSS global navigation satellite system<br />
GNSSP GNSS Panel (ICAO)<br />
GoMATS Gulf of Mexico advanced traffic<br />
surveillance<br />
GOPS giga operations<br />
GOS grade of service<br />
GOSIP government open systems<br />
interconnection profile<br />
GP general purpose<br />
GPADIRS global positioning, air data,<br />
inertial reference system<br />
GPCBT guidelines for the production of<br />
computer-based training<br />
(Eurocontrol)<br />
GP&C global positioning and<br />
communications<br />
GPIB general purpose instrument bus<br />
GPIRS global positioning/inertial<br />
reference system<br />
GPP general purpose processor<br />
GPPU general-purpose processing unit<br />
GPRS general packet radio services<br />
GPS Global Positioning System<br />
GPSSU GPS sensor unit<br />
GPU ground power unit<br />
GPWC ground proximity warning computer<br />
GPWS ground proximity warning system<br />
GR ground router<br />
GRAS ground-based regional<br />
augmentation system<br />
GRIP gridded binary (National Weather<br />
Service model output)<br />
www.avtoday.com/av December 2008 Avionics Magazine 31
Aerospace Acronym <strong>Guide</strong> •••<br />
GRP geographic reference point<br />
GS ground speed/station<br />
GSC ground station controller (ACARS)<br />
GSE ground support equipment<br />
GSIF ground station information frame<br />
GSM global systems mobile<br />
GSMS ground station management system<br />
GSP glare shield panel<br />
GTC data link ground terminal computer<br />
GUI graphical user interface<br />
GVE graphics vector engine<br />
GW gateway<br />
GWDS graphic weather display system<br />
GWS graphical weather services<br />
H<br />
HAA high-altitude airship<br />
HAD hardware architecture document<br />
HADS high-altitude platform station<br />
HALE high-altitude, long-endurance<br />
HARS high altitude route system<br />
HCI human-computer interface<br />
Thales TopOwl HMD<br />
HCP heads-up control panel<br />
HCS host computer system<br />
HDD head-down display<br />
HDG heading<br />
HDG SEL heading select<br />
HDL hybrid data link<br />
HDLC high-level data link control<br />
HDLC-B HDLC-balanced<br />
HDLMS hybrid data link management<br />
system<br />
HDMI high-definition multimedia interface<br />
HDOP horizontal dilution of precision<br />
HDP hardware development plan<br />
HDTV high-definition television<br />
HE altitude error<br />
HEA head equipment assembly<br />
HERF high-energy radio frequency<br />
(or energy radiated fields: dense)<br />
HF high frequency<br />
HF human factors<br />
HFACS human factors analysis and<br />
classification system<br />
HFDL high frequency data link<br />
HFDM high-frequency data modem<br />
HFDR high frequency data radio<br />
HFI human factors integration<br />
HFNPDU high frequency network protocol<br />
data unit<br />
HFS high frequency system<br />
HFSG human factor study group<br />
HFSNL high frequency subnetwork layer<br />
HFWG human factors working group<br />
HGA high gain antenna<br />
HGAS HGA system<br />
HGC head-up guidance computer<br />
HGS head-up guidance system<br />
HGS HFDL ground station<br />
HHLD heading hold<br />
HID host interface display<br />
HIL horizontal integrity limit<br />
HIRF high intensity radiated field<br />
HITS highway in the sky<br />
HLCS high lift control system<br />
HLE higher layer entity<br />
HLL high level language<br />
HMD helmet-mounted display<br />
HMI hazardously misleading information<br />
HMI human-machine interface<br />
HMOS high density metal oxide<br />
semiconductor<br />
HMS handheld manpack and small<br />
form fit<br />
HMSD Helmet Mounted Sight & Display<br />
HMU height monitoring unit<br />
HO handoff<br />
HOCSR host/oceanic computer system<br />
replacement<br />
HOTAS hands on throttle and stick<br />
HOW hand-over word<br />
HP high pressure<br />
HP holding pattern<br />
hPa hecto Pascal<br />
HPA high power amplifier<br />
HPC high pressure compressor<br />
HPR high power relay<br />
HPSOV high pressure shutoff valve<br />
HPT high pressure turbine<br />
HRD home routing domain<br />
HS-DSAD high speed frame relay service<br />
access device<br />
HSD high-speed data<br />
HSI horizontal situation indicator<br />
HSIT hardware and software<br />
integration test<br />
HSL heading select<br />
HSR high stability reference<br />
HSRP hot standby routing protocol<br />
HTC highest two-way channel<br />
HUD head-up display<br />
HUMS health and usage monitoring<br />
system<br />
HVPS high voltage power supply<br />
HWCI hardware configuration item<br />
HX heat exchanger<br />
HYD hydraulic<br />
HYDIM HYD interface module<br />
Hz Hertz (cycles per second)<br />
I<br />
I/O input/output<br />
IA interoperability assessment<br />
I&TE integration and test engineering<br />
IACSP international aeronautical communications<br />
service provider<br />
IAC integrated avionics computer<br />
IAGS integrated ARINC ground station<br />
IANA Internet assigned number authority<br />
IAOA indicated angle of attack<br />
IAOPA International Council of Aircraft<br />
Owners and Pilots Association<br />
IAPA instrument approach procedures<br />
automation<br />
IAPS integrated avionics processing<br />
system<br />
IARP inverse address resolution protocol<br />
IAS indicated airspeed<br />
IAT investment analysis team<br />
IATA International Air Transport<br />
Association<br />
IBAC International Business <strong>Aviation</strong><br />
Council<br />
IC integrated circuit<br />
IC intercabinet<br />
ICAO International Civil <strong>Aviation</strong><br />
Organization<br />
ICARD ICAO five-letter name code &<br />
route designator system<br />
ICAP improved capability<br />
ICC IAPS card cage<br />
ICCAIA International Coordinating Council<br />
of Aerospace Industries Association<br />
ICD interactive design center<br />
ICD interface control document/drawing<br />
ICD installation control drawing<br />
ICM interline communications manual<br />
ICMP Internet control message protocol<br />
ICNIA integrated communications, navigation<br />
and identification avionics<br />
ICP integrated core processor<br />
ICS intercommunications system<br />
ICS interface control specification<br />
ICSS integrated communication<br />
switching system<br />
ICU instrument comparator unit<br />
ICU integrated control unit<br />
ID identifier/identification<br />
IDC indicator display/control<br />
IDC internal diagnostic capabilities<br />
IDD interface design document<br />
IDEN integrated digital enhanced<br />
network<br />
32 Avionics Magazine December 2008 www.avtoday.com/av
••• Aerospace Acronym <strong>Guide</strong><br />
IDG integrated drive generator<br />
IDI initial domain identifier<br />
IDIQ indefinite-delivery/indefinite<br />
quantity<br />
IDM Improved Data Modem<br />
iDMU integrated data management unit<br />
IDP initial domain part<br />
IDRP interdomain routing protocol<br />
IDS ice detection system<br />
IDS inter-domain system<br />
IDS integrated display system<br />
IDU interactive display unit<br />
IEC IAPS environmental control<br />
module<br />
IEC International Electrotechnical<br />
Commission<br />
IEC International Engineering<br />
Consortium<br />
IED insertion extraction device<br />
IEEE Institute of Electrical and<br />
Electronics Engineers<br />
IF intermediate frequency<br />
IFALPA International Federation of Airline<br />
Pilots Association<br />
IFASS integrated system for surveillance<br />
and radio transmission<br />
IFATCA International Federation of Air<br />
Traffic Controllers’ Association<br />
IFC indicated final cost<br />
IFDL intraflight data link<br />
IFE in-flight entertainment<br />
IFF identification, friend or foe<br />
IFIS Integrated Flight Information<br />
System<br />
IFPS integrated initial flight plan<br />
processing system<br />
IFR instrument flight rules<br />
Rockwell Collins IFIS<br />
IFRB International Frequency<br />
Registration Board<br />
IGES initial graphic exchange<br />
specification<br />
IGES intermediate ground earth station<br />
IGIA Interagency Group on<br />
International <strong>Aviation</strong><br />
IGV inlet guide vane<br />
IHAS integrated hazard avoidance<br />
system<br />
ILA International Law Association<br />
ILM independent landing monitor<br />
ILS instrument landing system<br />
ILSP integrated logistics support plan<br />
IMA integrated modular avionics<br />
IMC instrument meteorological<br />
conditions<br />
IMG implementation manager group<br />
IMU inertial measurement unit<br />
INFO information frame<br />
INAV interactive navigation<br />
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TDR testing of twisted pair MIL-STD-1553<br />
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INMARSAT International Maritime Satellite<br />
Organization<br />
INMS integrated network management<br />
system<br />
INS inertial navigation system<br />
INTELSAT International Telecommunications<br />
Satellite Organization<br />
InterNIC Internet Network Information<br />
Center<br />
Interop interoperability<br />
IOC initial operating capability<br />
synchronized instrumentation<br />
All-In-One Toolset for<br />
MIL-STD-1553 Network Analysis<br />
Bus Characterization<br />
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ITCN's new BCIT toolset makes<br />
testing MIL-STD-1553 data bus<br />
networks faster, easier and<br />
more accurate.<br />
The BCIT troubleshoots bus<br />
networks and locates faults to<br />
within 6 inches on network<br />
cables up to 1,000 ft. long. It<br />
also aids in identifying faulty<br />
LRUs that do not participate in<br />
bus communications properly<br />
by monitoring bus health and<br />
performance.<br />
The BCIT's database driven<br />
Windows-based software<br />
allows users to configure and<br />
save their test data and bus<br />
topology for future analysis,<br />
and provides color-coded<br />
graphic displays for intuitive<br />
fault indications.<br />
www.avtoday.com/av December 2008 Avionics Magazine 33
Aerospace Acronym <strong>Guide</strong> •••<br />
ION Institute of Navigation<br />
IOR Indian Ocean region<br />
IOS Internet operating system<br />
IOT&E initial operational test and<br />
evaluation<br />
IP intellectual property<br />
IP Internet protocol<br />
IPACG Informal Pacific ATC Coordination<br />
Group<br />
IPC intermediate pressure compressor<br />
IPC interprocess communication<br />
IPD industrial products division<br />
IPI initial protocol identifier<br />
IPT integrated product team<br />
IPL illustrated parts list<br />
IPR Internet protocol router<br />
IPS internet service providers<br />
IPT integrated product team<br />
IPT integrated project team<br />
IPT intermediate pressure turbine<br />
IR infrared<br />
IRAC Interdepartmental Radio Advisory<br />
Committee<br />
IR&D investment research and<br />
development<br />
IRIG-B inter-range instrumentation<br />
group-time code format B<br />
IRIS Iris Recognition Immigration System<br />
IRP integrated refuel panel<br />
IRR internal rate of return<br />
IRS inertial reference system<br />
IRS interface requirements specification<br />
IRU inertial reference unit<br />
IS intermediate system<br />
ISA industry standard architecture<br />
ISA Instrument Society of America<br />
ISC integrated systems controller<br />
ISDN integrated services digital network<br />
ISDOS information system design and<br />
optimization system<br />
ISDU inertial system display unit<br />
ISH intermediate system hello<br />
ISIS integrated sensor is structure<br />
ISLN isolation<br />
ISMS in-flight safety monitoring system<br />
ISO International Standards<br />
Organization<br />
ISO PA ISO protocol architecture<br />
ISP integrated switching panel<br />
ISP internet service providers<br />
ISR Intelligence, Surveillance and<br />
Reconnaissance<br />
ISR interrupt service routine<br />
ISS integrated surveillance system<br />
ISSN intermediate system sub-network<br />
ISSS initial sector suite system/subsystem<br />
ISU initial signal unit<br />
ITAR International Traffic in Arms<br />
Regulations<br />
ITC in-trail climb<br />
ITD in-trail descent<br />
ITM IT management<br />
ITS integrated test system<br />
ITSE integrated test and support<br />
environment<br />
ITU International Telecommunications<br />
Union<br />
ITWS integrated terminal weather<br />
system<br />
IUPS internal uninterruptible power<br />
supply<br />
IV isolation valve<br />
IVSI instantaneous vertical speed<br />
indicator<br />
J<br />
J-UCAS joint unmanned combat air<br />
systems<br />
J/S jammer-to-signal ratio<br />
JAA Joint <strong>Aviation</strong> Authority<br />
JCA Joint Cargo Aircraft<br />
JAR joint airworthiness requirement<br />
JAR-OPS Joint <strong>Aviation</strong> Regulations Operations<br />
JAR-AWO JAR-all weather operations<br />
JATO jet assisted takeoff<br />
JCAB Japanese Civil <strong>Aviation</strong> Bureau<br />
JCAT Joint Combat Assessment Team<br />
JFET junction field effect transistor<br />
JFEX Joint Expeditionary Force<br />
Experiment<br />
JFS Joint Strike Fighter<br />
JFX Joint Forces Exercise<br />
Flight Display Systems LCDs<br />
JHMCS joint helmet-mounted cueing<br />
systems<br />
JPALS Joint Precision Approach and<br />
Landing System<br />
JPDO Joint Planning Development<br />
Office (U.S.)<br />
JPEO Joint Program Executive Office<br />
Joint Tactical Radio System<br />
JPL Jet Propulsion Laboratory<br />
JPO Joint Planning Office<br />
JPS journal processing system<br />
JRANS Japanese regional air navigation<br />
system<br />
JRC Joint Resource Council<br />
JSTeF JTRS Science and Technology<br />
Forum<br />
JSAT joint system acceptance test<br />
JTAG Joint Test Action Group<br />
JTIDS joint tactical information distribution<br />
system<br />
JTRS joint tactical radio system<br />
JV joint venture<br />
JVMF joint variable message format<br />
K<br />
kA kiloamperes<br />
KARI Korea Aerospace Research Institute<br />
KB kilobytes (thousand bytes)<br />
KBITS kilobits<br />
Kbps kilobits per second<br />
Kgls kinematic GPS landing system<br />
KHz kilohertz (1000 cycles per second)<br />
KPS KB per second<br />
KTS knots<br />
KVA kilovolt-ampere<br />
KW kilowatt<br />
L<br />
L1 L-band carrier (1575.42 MHz)<br />
L2 L-band carrier (1227.6 MHz)<br />
LAAS local area augmentation system<br />
LACAC Latin American Civil <strong>Aviation</strong><br />
Commission<br />
LADAR laser radar<br />
LADGPS local area differential GPS<br />
LAGPS local area global positioning<br />
system<br />
LAHSO land and hold short operation<br />
LAIRCM large aircraft infrared<br />
countermeasures<br />
LAM levels of avionics maintenance<br />
LAN local area network<br />
LAPB link access protocol, balanced<br />
LASER light amplification by simulated<br />
emission of radiation<br />
LAT latitude<br />
LBA Luftfahrt-Bundesamt (Germany)<br />
LCA layered component architecture<br />
LCC leadless chip carrier<br />
LCC life cycle cost<br />
LCC low-cost carrier<br />
LCD liquid crystal display<br />
34 Avionics Magazine December 2008 www.avtoday.com/av
••• Aerospace Acronym <strong>Guide</strong><br />
LCF link control field<br />
LCI logical channel identifier<br />
LCN local communications network<br />
LCP lighting control panel<br />
LCR link connection refusal<br />
LDA landing directional aid<br />
LDA laterally displaced approach<br />
LDCC leaded chip carrier<br />
LDCS local departure control system<br />
LDGPS local area differential global positioning<br />
satellite<br />
LDOC long distance operational control<br />
LDRCL low density radio-communications<br />
link<br />
LDU lamp driver unit<br />
LE link establish<br />
LED light-emitting diode<br />
LEO low earth orbiting<br />
LF low frequency<br />
LFE lead-free electronics<br />
LFR LF radio range<br />
LGA low gain antenna<br />
LHP lighting HIRF protection<br />
LIDAR light detection and ranging<br />
LIMNATRAN limited North Atlantic regional air<br />
navigation<br />
LINCS long-haul/leased interfacility<br />
national airspace communications<br />
system<br />
LISN line impedance stabilization<br />
network<br />
LLC logical link control<br />
LLWAS low-level wind shear alert system<br />
LME link management entity<br />
LMI logical management interface<br />
LMM locator middle marker<br />
LMT local mean time<br />
LNA low-noise amplifier<br />
LNAV lateral navigation<br />
LOB left outboard<br />
LOC localizer/location<br />
LOM locator outer marker<br />
LON longitude<br />
LOPA layout of passenger<br />
accommodations<br />
LORAN long-range air navigation<br />
LOS line of sight<br />
LPB loss prevention bulletin<br />
LPC low pressure compressor<br />
LPDU link protocol data unit<br />
LPT low pressure turbine<br />
LPV localizer performance with<br />
vertical guidance<br />
LRC long-range cruise<br />
LRM line replaceable module<br />
LRR long-range radar<br />
LRU line replaceable unit<br />
LSAS longitudinal stability augmentation<br />
system<br />
LSB least significant bit<br />
LSB lower sideband<br />
LSD least significant digit<br />
LS-DSAD low speed frame relay service<br />
access device<br />
LS-FRAD low speed frame relay access<br />
device<br />
LSI large scale integration<br />
LSK line select key<br />
LSN local subnetwork<br />
LSP link state PDU<br />
LSS lightening sensor system<br />
LTA lighter-than-air<br />
LTD laser target designator<br />
LTC lowest two-way channel<br />
LV lower sideband voice<br />
LVC low visibility conditions<br />
LVL level<br />
LVDT linear voltage differential<br />
transducer<br />
LVP low visibility procedure<br />
LVPS low voltage power supply<br />
LVT low volume terminal<br />
M<br />
M mach number<br />
M2K Mobility 2000 (U.S. Air Force)<br />
M-SNDCF mobile-subnetwork dependent<br />
convergence function<br />
M-TADS Modernized Target Acquisition<br />
and Designation Sight<br />
M/ASI mach/airspeed indicator<br />
M&S merging & spacing<br />
MA message assurance<br />
MAA maximum authorized IFR altitude<br />
MAB Military ATM Board (Europe)<br />
MAC medium access controller<br />
MACC military area control center<br />
MACS multiple access communication<br />
system<br />
MADARS malfunction detection, analysis<br />
and recording system<br />
MAGIC manager of air-ground interface<br />
communications<br />
MAHWP missed approach holding waypoint<br />
MALDT mean administrative and logistics<br />
delay time<br />
MALE medium-altitude, long-endurance<br />
MAN metropolitan area network<br />
MANPADS man portable air defense system<br />
MAP missed alert parameter<br />
MAP missed approach<br />
MAP missed approach procedure<br />
MAP monitor alert parameter<br />
MAPt missed approach point<br />
MAR mobile access router<br />
MARSA military assumes responsibility<br />
for separation<br />
MASPS minimum aviation system performance<br />
standard<br />
MAST multiaircraft simulation terminal<br />
MAT maintenance access terminal<br />
MAV micro air vehicle<br />
MAWP missed approached waypoint<br />
MAX maximum<br />
mb millibars<br />
MB marker beacon<br />
MBE multiple bit error<br />
MBER minimum bit error rate<br />
MBPS megabytes per second<br />
MC master change<br />
MCA minimum crossing altitude<br />
MCAP Manned/Unmanned Common<br />
Architecture Processor<br />
MCB microwave circuit board<br />
MCC maintenance control computer<br />
MCDP maintenance control display<br />
panel<br />
MCDU multifunctional control display unit<br />
MCI mode C intruder<br />
MCN manufacturing control number<br />
MCOS multi-computing operating system<br />
MCP maintenance control panel<br />
MCP mode control panel<br />
MCT max continuous thrust<br />
MCU modular concept unit<br />
MCU multifunction concept unit<br />
MDA minimum descent altitude<br />
Chelton Flight Systems MFD<br />
MDA Missile Defense Agency<br />
MDAH minimum descent altitude/height<br />
MDAU maintenance data acquisition unit<br />
MDC maintenance diagnostic computer<br />
MDCRS Meteorological Data Collection<br />
and Reporting Service<br />
MDD mission data debrief<br />
MDL multipurpose data link<br />
MDR mode digital radio<br />
MDS minimum discernible signal<br />
MDT maintenance display terminal<br />
MDT mean downtime<br />
MEA minimum en route altitude<br />
MEC main equipment center<br />
MEL minimum equipment list<br />
MEO medium earth orbit<br />
MEOT multiple-expert opinion team<br />
MES main engine start<br />
MET meteorology<br />
METAR meteorological aviation routine<br />
weather report<br />
MF medium frequency<br />
MFCP multifunction control display panel<br />
MFD multifunction display<br />
MFDS multifunction display system<br />
www.avtoday.com/av December 2008 Avionics Magazine 35
Aerospace Acronym <strong>Guide</strong> •••<br />
MFDU multifunction display unit<br />
MFDUA miscellaneous flight data acquisition<br />
unit<br />
MFIT mean fault isolation time<br />
MFM maintenance fault memory<br />
MGSCU main gear steering control unit<br />
MGR manager<br />
MHD magnetic hard drive<br />
MHD multi-hazard display<br />
MHRS magnetic heading reference system<br />
MHS message handling service<br />
MHz megahertz<br />
MIB management information base<br />
MIC microphone<br />
MicroEARTS micro en route automated radar<br />
tracking system<br />
MIDS multifunction information distribution<br />
system<br />
MIDS-J Multifunctional Information Distribution<br />
System-JTRS<br />
MIDS-LVT Multifunctional Information<br />
Distribution System Low Volume<br />
Terminal<br />
MIDU multi-purpose interactive display<br />
unit<br />
MILAERO military/aeronautical<br />
MILS multiple independent levels of<br />
security<br />
MILSPEC military specification<br />
MIL-STD military standard<br />
MIMO multi-input/multi-output<br />
MIN minimum/minute<br />
MIPS management interface protocol<br />
specification<br />
MIPS million instructions per second<br />
MKR marker<br />
MLA maneuver limited altitude<br />
MLM mid-level management<br />
MLS microwave landing system<br />
MLW maximum landing weight<br />
MM mass memory<br />
MM middle marker (glideslope)<br />
MMI man-machine interface<br />
MMIC monolithic microwave integrated<br />
circuit<br />
MMR multimode receiver<br />
MMS maintenance management system<br />
MMSI miniature munitions system<br />
interface<br />
MMU memory management unit<br />
MMW millimeter wave<br />
MNCID management network category<br />
interaction diagram<br />
MNPS minimum navigation performance<br />
specification<br />
MNS managed network service<br />
MO managed object<br />
MO magneto-optical<br />
MOA memorandum of agreement<br />
MOA military operation area<br />
MOCA minimum obstacle clearance<br />
altitude<br />
MOD magneto-optical drive<br />
MOD modification<br />
MODEM modulator/demodulator<br />
MOPR minimum operational performance<br />
requirements<br />
MOPS minimum operational performance<br />
standards<br />
MOQA maintenance operations quality<br />
assurance<br />
MORA minimum off-route altitude<br />
MOS metal oxide semiconductor<br />
MOSA modular open systems approach<br />
MOU memorandum of understanding<br />
MOV metal oxide varsitor<br />
MP-CDL Multi-Platform-Common Data<br />
Link<br />
MPAR multipurpose airport radar<br />
MPEG Moving Picture Expert Group<br />
MPCU multiport protocol converter unit<br />
MPDS mobile packet data service<br />
MPEL maximum permissible exposure<br />
level<br />
MPM microwave power module<br />
MPP materials, processes and parts<br />
MPS maintenance processor system/<br />
subsystem<br />
MRA minimum reception altitude<br />
MRR manufacturing revision request<br />
MRT mean repair time<br />
MRT multi-remote terminal<br />
Ms millisecond<br />
MSB most significant bit<br />
MSC Member Services Center<br />
MSC message sequence chart<br />
MSCP mobile satellite service provider<br />
MSD mass storage device<br />
MSG message<br />
MSI medium scale integration<br />
MSK minimum shift keying<br />
MSL mean sea level<br />
MSP Mode S specific protocol<br />
MSSR monopulse secondary surveillance<br />
radar<br />
MSSS Mode S specific services<br />
MSU mode select unit<br />
MT minimum time<br />
MTA message transfer agent<br />
MTBF mean time between failure<br />
MTBO mean time between outages<br />
MTBR mean time between removal/<br />
repairs<br />
MTBUR mean time between unscheduled<br />
removal<br />
MTBUR mean time between unit<br />
replacements<br />
MTC maintenance terminal cabinet<br />
MTD maintenance terminal display<br />
MTF maintenance terminal function<br />
MTI moving target indicator<br />
MTM module test and maintenance<br />
MTMBIU MTM bus interface unit<br />
MTR military training route<br />
MTSAT Multifunction Transport Satellite<br />
MTTDA mean time to dispatch alert<br />
MTTF mean time to failure<br />
MTTM mean time to maintenance<br />
MTTMA mean time to maintenance alert<br />
MTTR mean time to repair<br />
MTTRS mean time to restore service<br />
MTTUR mean time to unscheduled<br />
removal<br />
MU management unit<br />
MUE modernized user equipment<br />
MUOS Mobile User Objective System<br />
MUS minimum use specification<br />
MUSE multi-user system environment<br />
MUX multiplexer<br />
mV millivolts<br />
MWARA major world air route area<br />
MWP meteorological weather processor<br />
MWS missile warning system<br />
N<br />
N1 fan speed<br />
N2 intermediate compressor speed<br />
N3 high-speed compressor<br />
N-UCAS Navy-Unmanned Aerial Combat<br />
System<br />
NACp navigation accuracy category for<br />
velocity<br />
NACA National Advisory Committee for<br />
Aeronautics (U.S.)<br />
NCAR National Center for Atmospheric<br />
Research<br />
NADIN national airspace data<br />
interchange network<br />
NADIN II NADIN packet switch<br />
NAILS national airspace integrated<br />
logistics support<br />
NAK negative acknowledgment<br />
NAOMS National <strong>Aviation</strong> Operational<br />
Monitoring Service<br />
NAPRS national airspace performance<br />
reporting system<br />
NAS national aircraft standard<br />
NAS National Airspace System (FAA)<br />
NASA National Aeronautics and Space<br />
Administration<br />
NASPALS National Airspace System Precision<br />
Approach and Landing System<br />
(FAA)<br />
NAT North Atlantic region<br />
NAT North Atlantic tracks<br />
NATA National Air Transport Association<br />
NATCA National Air Traffic Controllers<br />
Association (U.S.)<br />
NATS National Air Traffic Services (U.K.)<br />
NATS North Atlantic track system<br />
NAT TFG NAT Traffic Forecasting Group<br />
NAV navigation<br />
NAVAID navigational aid<br />
NAVAIR Naval Air Systems Command<br />
NAVSAT navigation satellite<br />
NAVSEA Naval Sea Systems Command<br />
NBAA National Business <strong>Aviation</strong><br />
Association<br />
NC numerical control<br />
NC3A NATO Consultation, Command<br />
and Control Agency<br />
NCATT National Center for Aircraft<br />
36 Avionics Magazine December 2008 www.avtoday.com/av
••• Aerospace Acronym <strong>Guide</strong><br />
Technician Training<br />
NCD no computed data<br />
NCES Net-Centric Enterprise Services<br />
NCI not currently implemented<br />
NCO Network Centric Operations<br />
NCOIC Network Centric Operations<br />
Industry Consortium<br />
NCOW net-centric operations and warfare<br />
NCP NAS change proposal<br />
NCS network control system<br />
NCS network coordination station<br />
ND navigation display<br />
NDB navigation database<br />
NDB nondirectional radio beacon<br />
NDI nondestructive inspection<br />
NDI nondevelopmental item<br />
NE network element<br />
NEAN North European ADS Network<br />
NEAP North European CNS/ATM<br />
application project<br />
NEC Network-Enabled Capability<br />
NED Network Enterprise Domain<br />
NELS Northwest European Loran System<br />
NEMA National Electrical Manufacturers<br />
Association (U.S.)<br />
NESACC North, East & Southern area<br />
control centers for China<br />
NESDIS national environmental satellite<br />
data and information service<br />
NET network entity title<br />
NEXCOM Next Generation Air/Ground<br />
Communications System<br />
NextGen Next Generation Air Transportation<br />
System (U.S.)<br />
NEXRAD next-generation weather radar<br />
NFF no fault found<br />
NFS network file server<br />
NIAC NAS Information Architecture<br />
Committee (FAA)<br />
NIC navigation integrity category<br />
NIC network interface controller<br />
NIC new installation concept<br />
NICE NAT implementation management<br />
group cost effectiveness<br />
NICE network integrated cabin<br />
equipment<br />
NIH not invented here<br />
NIMA National Imagery and Mapping<br />
Agency (U.S.)<br />
NIMS NAS infrastructure management<br />
system<br />
NIR network interface router<br />
NIRV network interface router VDL<br />
NIS not in service<br />
NISC NAS information security<br />
coordination<br />
NIST National Institute of Standards<br />
and Technology<br />
NIU North American ISDN User Forum<br />
(NIST)<br />
NIP network interface processor<br />
NL network layer<br />
NLM network loadable module<br />
NLP network layer protocol<br />
NLR Netherlands National Aerospace<br />
Laboratory<br />
NM nautical mile<br />
NM network management<br />
NMC National Meteorological Center<br />
NMCCD network management category<br />
class diagram<br />
NMCD network management category<br />
diagram<br />
NMF network management function<br />
NMIRS network management interface<br />
requirements specification<br />
NML NATO Maturity Levels<br />
NMP network management plan<br />
NMS network management system<br />
NMS navigation management system<br />
NNEC NATO NEC<br />
NNEW NextGen Network Enabled Weather<br />
(FAA)<br />
NOAA National Oceanic and Atmospheric<br />
Administration (U.S.)<br />
NOC network operations center<br />
NOC note of change<br />
NOCAR North Atlantic oceanic concept<br />
and requirements<br />
NOCC National Operational Control Center<br />
NO COM no communication<br />
NOI notice of inquiry (FCC)<br />
NOPAC North Pacific<br />
NORAD North American Aerospace<br />
Defense Command<br />
NOTAM notice to airmen<br />
NOTUS notice to users (ARINC)<br />
NPA non-precision approach<br />
NPDU network protocol data unit<br />
NPIAS national plan for integrated<br />
airport systems<br />
NPR national performance review<br />
NPRM notice of proposed rule making<br />
NR network router<br />
NRP national route program<br />
NRD network routing domain<br />
NRZ non-return to zero<br />
NS network service<br />
NSA National Security Agency (U.S.)<br />
NSAP network service access point<br />
NSC network service center<br />
NSDU network service data unit<br />
NSEL NSAP selection<br />
NSEU neutron single event upset<br />
NSSL National Severe Storms Laboratory<br />
NTDA NEXRAD Turbulence Detection<br />
Algorithm<br />
NTIA National Telecommunications and<br />
Information Administration (U.S.)<br />
NTF no trouble found<br />
NTSB National Transportation Safety<br />
Board (U.S.)<br />
NTST National Television Systems<br />
Committee<br />
NUI network user identification<br />
NUP NEAN update program<br />
NVCD night vision cueing and display<br />
NVIS night vision imaging system<br />
NVM non-volatile memory<br />
NVRAM non-volatile RAM<br />
NVS National Airspace System Voice<br />
Switch (FAA)<br />
NWS National Weather Service (U.S.)<br />
O<br />
O-QAR optical quick access recorder<br />
O&M operations and maintenance<br />
O&S operating and support<br />
OAC oceanic area control center<br />
OAS oceanic automation system<br />
OASIS operational area satellite<br />
information system<br />
OASIS operational and supportability<br />
implementation system<br />
OASIS organic airborne and surface<br />
influence sweep<br />
OASYS obstacle avoidance system<br />
OAT operational acceptance test<br />
OAT outside air temperature<br />
OATS orbit and attitude tracking system<br />
OBP operational build plan<br />
OBS omnibearing selector<br />
OBS optical bypass switch<br />
OCA oceanic control area<br />
OCC occasionally connected computing<br />
OCC operations control center<br />
OCD oceanic clearance delivery<br />
OCIG Oceanic Communications<br />
Improvement Group<br />
OCP oceanic clearance processor<br />
OCTAS obstacle cable and terrain<br />
avoidance system<br />
ODA open document architecture<br />
ODAPS oceanic display and planning<br />
system<br />
ODIAC operational requirements for ATM<br />
air/ground data communications<br />
(Eurocontrol)<br />
ODID operational display and input<br />
development<br />
ODL oceanic data link<br />
ODL optical data link<br />
OEM original equipment manufacturer<br />
OEP Operational Evolution Partnership<br />
(FAA)<br />
OES Office of Emergency Services<br />
OEU overhead electronics unit<br />
OFDM orthogonal frequency division<br />
multiplexing<br />
OFDPS oceanic flight data processing<br />
system<br />
OFP operational flight program<br />
OGE operational ground equipment<br />
OHA operational hazard assessment<br />
OHSC overhead stowage compartments<br />
OHU overhead unit (HUD)<br />
OID object identifier<br />
OIG Office of Inspector General<br />
OIT onboard information terminal<br />
www.avtoday.com/av December 2008 Avionics Magazine 37
Aerospace Acronym <strong>Guide</strong> •••<br />
OJT on-the-job training<br />
OLAN onboard local area network<br />
OLDI on-line data interchange<br />
OLED organic LED<br />
OM outer marker<br />
OMB Office of Management and Budget<br />
(U.S.)<br />
OMS onboard maintenance system<br />
OMT object modeling technique<br />
OMT onboard maintenance terminal<br />
ONR Office of Naval Research (U.S.)<br />
OOA object-oriented analysis<br />
OOD object-oriented design<br />
OODA observe, orient, decide and act<br />
OOOI out/off/on/in<br />
OPA operational performance<br />
assessment<br />
OPAS overhead panel ARINC 629 system<br />
OPBC overhead panel bus controller<br />
OPD Optimized Profile Descent<br />
OPS operations<br />
OPS OPS per second<br />
OPSPECS OPS specifications<br />
OPU overspeed protection unit<br />
OR operational requirements<br />
ORB object request broker<br />
ORD operational requirements document<br />
ORD operations readiness demonstration<br />
OS open service<br />
OS operating system<br />
OSA operational safety assessment<br />
OSCAR Orbiting Satellite Carrying<br />
Amateur Radio<br />
OSDS oceanic systems development<br />
support<br />
OSE open systems environment<br />
OSED operational service and<br />
environment definition<br />
OSEIC operational service and<br />
environment information capture<br />
OSI open systems interface/<br />
interconnection<br />
OSIE OSI environment<br />
OSI-RM OSI-reference model<br />
OSJTF Open Systems Joint Task Force<br />
(U.S.)<br />
OSPF open shortest path first<br />
OSR order status report<br />
OSRVT One System Remote Video Terminal<br />
OTA Office of Technology Assessment<br />
(U.S.)<br />
OT&E operational test and evaluation<br />
OTFP operational traffic flow planning<br />
OTH over the horizon<br />
OTP Office of Telecommunications<br />
Policy (U.S.)<br />
OTS off the shelf<br />
OVHT overheat<br />
P<br />
P2FEP PETAL-II front-end processor<br />
P3I preplanned product improvements<br />
P-Code GPS precision code<br />
P-DME precision DME<br />
P-RNAV precision area navigation<br />
P/F poll/final<br />
P/RST press to reset<br />
PA passenger address<br />
PA power amplifier<br />
PABX private automatic branch<br />
exchange<br />
PAC path attenuation compensation<br />
PACIS passenger address and communication<br />
interphone system<br />
PAD packet assembler-disassembler<br />
PAL programmable array logic<br />
PAM pulse amplitude modulation<br />
PAMRI peripheral adapter module<br />
replacement item<br />
PANS-OPS procedures for air navigation<br />
services-aircraft operations<br />
PAPD precise and accurate positioning<br />
device<br />
PAR precision approach radar<br />
PAT process action team<br />
PATS portable avionics test solution<br />
PAU passenger address unit<br />
PAVES programmable audio video entertainment<br />
system<br />
PAWES performance assessment and<br />
workload evaluation<br />
PAX passenger<br />
PBD place bearing/distance (waypoint)<br />
PBID post burn-in data<br />
PBN performance-based navigation<br />
PBX public/private branch exchange<br />
PC personal computer<br />
PC printed circuit<br />
PCA physical configuration audit<br />
PCB printed circuit board<br />
PCC pilot controller communication<br />
PCD panoramic cockpit display<br />
PCI peripheral component interface<br />
(32-bit local bus)<br />
PCI protocol control information<br />
PCM pulse code modulation<br />
PCMIA personal computer memory card<br />
interface association<br />
PCO protocol converter unit<br />
PCU passenger control unit<br />
PCU personal control unit<br />
PCU power control unit<br />
PCU program coordination office<br />
PD profile descent<br />
PDA personal digital assistant<br />
PDB performance data base<br />
PDC pre-departure clearance<br />
PDCU panel data concentrator unit<br />
PDD package design document<br />
PDDI product definition data interface<br />
PDF primary display function<br />
PDL program design language<br />
PDM predefined controller text message<br />
PDM project development manager<br />
PDN public data network<br />
PDOP position dilution of precision<br />
PDR preliminary design review<br />
PDS persistent data storage<br />
PDS primary display system<br />
PDU protocol data unit<br />
PE precision engagement<br />
PECT peer entity contact table<br />
PED portable electronic device<br />
PEO C3T Army Program Executive Office<br />
Command, Control and Communications<br />
Tactical<br />
PER packed encoding rule<br />
PERT program evaluation and review<br />
technique<br />
PETAL preliminary Eurcontrol test of air/<br />
ground data link<br />
PF pilot flying<br />
PF power factor<br />
pFAST passive final approach spacing tool<br />
PFC primary flight computer<br />
PFCS primary flight control system<br />
PFD primary flight display<br />
PHARE Program for Harmonized ATM<br />
Research in Europe (Eurocontrol)<br />
PHI Petroleum Helicopters Inc.<br />
PHY physical<br />
PI parameter identifier<br />
PICMG PCI Industrial Computer Manufacturers<br />
Group<br />
PIA performance, integrity and availability<br />
PICS protocol implementation conformance<br />
statements<br />
PID parameter identifier<br />
PID pilot information display<br />
PID primitive identifier<br />
PID process ID<br />
PIM programmable infosec module<br />
PIP product improvement program<br />
PIREP pilot report<br />
PL parameter length<br />
PL project leader<br />
PLA power lever angle<br />
PLB personal locator beacon<br />
PLBT personal locator beacon and<br />
voice transceiver<br />
PM program manager<br />
PM phase modulation<br />
PMA parts manufacturer approval<br />
PMA parts manufacturer authority<br />
PMA permanent magnet alternator<br />
PMAT portable maintenance access<br />
terminal<br />
PMC provisional memory cover<br />
PMC PCI mezzanine card<br />
PMG permanent magnet generator<br />
PMOS p-type metal oxide semiconductor<br />
PMP project/program management plan<br />
PMS performance management system<br />
38 Avionics Magazine December 2008 www.avtoday.com/av
••• Aerospace Acronym <strong>Guide</strong><br />
PN pseudo noise<br />
PNCS performance navigation<br />
computer system<br />
PND primary navigation display<br />
PNF pilot not flying<br />
PNR point of no return<br />
PO part of<br />
POA plain old ACARS<br />
POC point of contact<br />
POC proof of concept<br />
POCC project operations control center<br />
POH pilot’s operating handbook<br />
POM program objective memorandum<br />
POP point of presence<br />
POR Pacific Ocean region<br />
POSIX portable operating system interface<br />
POTS plain old telephone system/service<br />
PPA production preparation agreement<br />
PPDU physical layer protocol data unit<br />
PPI planned position indicator<br />
PPL processor-to-processor link<br />
PPM pages per minute<br />
PPM parts per million<br />
PPM pulse position modulation<br />
PPP point-to-point protocol<br />
PPS packets per second<br />
PPS precise positioning service<br />
PPS pulse per second<br />
PRAIM predictive RAIM<br />
PRF pulse repetition frequency<br />
PRI primary rate interface<br />
PRM precision runway monitor<br />
PRM-A Precision Runway Monitor-Alternate<br />
(FAA)<br />
PROM programmable ROM<br />
PRN pseudo random noise<br />
PRS public regulated service<br />
PRSOV pressure regulating and shutoff valve<br />
PS power supply<br />
PSA PS assembly<br />
PSD port sharing device<br />
PSDN packet switched data network<br />
PSE packet-switching exchange<br />
PSEU proximity sensor electronic unit<br />
PSL projected service life<br />
PSL/PSA problem statement language/<br />
problem statement analyzer<br />
PSM power supply modules<br />
PSN packet switching network<br />
PSPL preferred standard parts list<br />
PSR primary surveillance radar<br />
PSS proximity sensor system<br />
PSSA preliminary system safety<br />
assessment<br />
PSTN public switched telephone network<br />
PSU passenger service unit<br />
PT plane talk<br />
PTAN precision terrain aided navigation<br />
PTD performance test domain<br />
PTI packet type identifier<br />
PTM peripheral transition module (I/O<br />
interface for SBC)<br />
PTR production test requirements<br />
PTS problem tracking system<br />
PTSD production test specification<br />
document<br />
PTT push to talk<br />
PTU power transfer unit<br />
PV parameter value<br />
PV photovoltaic<br />
PVC permanent virtual circuit<br />
PVD plan view display<br />
PVT position, velocity, time<br />
PWM pulse-width modulation<br />
PWR Power<br />
PXI PCI extensions for instrumentation<br />
Q<br />
QA quality assurance<br />
QAP QA plan<br />
QAR quick access recorder<br />
QDR quality defect report<br />
QDR quality deficiency report<br />
QEC quadrantral error corrector<br />
QFE Q code, field elevation pressure<br />
QM quality management<br />
QMP QM plan<br />
QMS QM system<br />
QNH sea level pressure<br />
QNT quint networking technology<br />
QOP quality operating procedures<br />
QPL qualified product list<br />
QRH quick reference handbook<br />
QOS quality of service<br />
QP quality procedure<br />
QT qualification test<br />
QVL qualified vendor list<br />
R<br />
R-CDL Radar Common Data Link<br />
R/W read/write<br />
R&D research and development<br />
R&M reliability and maintainability<br />
RA radio altitude<br />
RA resolution advisories<br />
RA routing area<br />
RAA Regional Airline Association<br />
RAAF Royal Australian Air Force<br />
RAAS runway awareness and advisory<br />
system<br />
RAC-GAT Russian/American Coordinating<br />
Group for Air Traffic Control<br />
RAC runway analysis chart<br />
RAD rapid application development<br />
RAE Royal Aircraft Establishment<br />
(Farnborough)<br />
RAF requirements analysis folder<br />
RAF Royal Air Force (U.K.)<br />
RAI radio altimeter indicator<br />
RAID redundant arrays of independent<br />
disks<br />
RAIM receiver autonomous integrity<br />
monitoring<br />
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www.avtoday.com/av December 2008 Avionics Magazine 39
Aerospace Acronym <strong>Guide</strong> •••<br />
RALA request automatic line adapter<br />
RALT radar altimeter<br />
RAM random access memory<br />
RAMICS rapid airborne mine clearance<br />
system<br />
RAP required automation performance<br />
RAS route area statistics (IATA)<br />
RATMP required air traffic management<br />
performance<br />
RBT reference business trajectory<br />
RCAG remote control air-to-ground<br />
RCAT Reconfigurable Cockpit and Avionics<br />
Testbed<br />
RCD radar cable detection<br />
RCE radio control equipment<br />
RCF required communications<br />
performance<br />
RCL radio communications link<br />
RCO remote communications outlet<br />
RCP radio control panel<br />
RCR routing and circuit restoral<br />
RCSU remote control and status unit<br />
RCU radio control unit<br />
RCU remote control unit<br />
RC&W rack connectors and wiring<br />
RD (taxi) route deviation<br />
RD routing domain<br />
RDARA regional domestic air route area<br />
RDC routing domain confederation<br />
RDDMI radio digital distance magnetic<br />
indicator<br />
RDF RD format<br />
RDI radio direction indicator<br />
RDI RD identifier<br />
RDP radar data processing<br />
RDR radar<br />
RDSS radio determination satellite system<br />
RDT&E research, development, test and<br />
evaluation<br />
REA radar electronics assembly<br />
RE&D research, engineering and<br />
development<br />
REDAC Research, Engineering and Development<br />
Advisory Committee (FAA)<br />
REP required environmental<br />
performance<br />
RERB reliability enhancement and reengining<br />
program<br />
REQ request<br />
RER residual error rate<br />
REVS radar-enhanced vision system<br />
RF radio frequency<br />
RFC request for comments<br />
RFG requirement focus group<br />
RFI radio frequency interference<br />
RFI request for information<br />
RFID radio frequency identification<br />
RFO request for offer<br />
RFP request for proposal<br />
RFQ request for quote<br />
RFU radio frequency unit<br />
RGB red green blue<br />
RGCSP Review of the General Concept of<br />
Separation Panel (ICAO)<br />
RGS relay ground station<br />
RH radio handler<br />
RHF ridiculously high frequency<br />
RHO response on handoff<br />
RHSM reduced horizontal separation<br />
minima<br />
RI runway incursion<br />
RIB routing information base<br />
RIN Royal Institute of Navigation (U.K.)<br />
RIP routing information protocol<br />
RISC reduced instruction set computer<br />
RLE response on link establishment<br />
RLG ring laser gyro<br />
RLS reliable link service<br />
RM regional manager<br />
RM&A reliability, maintainability and<br />
availability<br />
RMCDE radar message conversion and<br />
distribution equipment<br />
RMI radio magnetic indicator<br />
RMMS remote maintenance monitoring<br />
system<br />
RMP risk management plan<br />
RMS risk management system<br />
RMS root mean square<br />
RNAV area navigation<br />
RNP required navigation performance<br />
RNR receive not ready<br />
RO radio operator<br />
ROA recognized operating agency<br />
ROC rate of climb<br />
ROC rest of operational capability<br />
ROD rate of descent<br />
ROIP radio over Internet protocol<br />
ROM read only memory<br />
ROM rough order of magnitude<br />
RON remain over night<br />
RP routing protocol<br />
RPDE rapid preliminary development<br />
effort<br />
RPG rocket-propelled grenade<br />
RPK revenue passenger kilometers<br />
RPM revolutions per minute<br />
RPOA Recognized Private Operation<br />
Agency (CCITT)<br />
RR receive ready<br />
RRI router reference implementation<br />
RSDP reliable sequencing deliveryconfirmation<br />
protocol<br />
RSN regional sub-network<br />
RSP required surveillance<br />
performance<br />
RSSI received signal strength indicator<br />
RT radio telecommunication<br />
RTA required time of arrival<br />
RTB rocket-towed barrier<br />
RTC red time clock<br />
RTCA Radio Technical Commission for<br />
Aeronautics (U.S.)<br />
RTCM Radio Technical Commission for<br />
Maritime Services<br />
RTD resistance temperature detector<br />
RTK real-time kinematic<br />
RTM radio transmission module<br />
RTO rejected takeoff<br />
RTOS real time operating system<br />
RTR remote transmitter receiver site<br />
RTS request to send<br />
RTSP required total system performance<br />
RTTI run-time type identification<br />
RTU radio tuning unit<br />
RU rack unit (1 inch)<br />
RVP required vision performance<br />
RVR runway visual range<br />
RVSM reduced vertical separation<br />
minimum<br />
RWM R/W memory<br />
RWP required weather performance<br />
RWR radar warning receiver<br />
RX receiver<br />
RZ return to zero<br />
S<br />
S0 Segment 0<br />
S1 Segment 1<br />
S&A sense-and-avoid<br />
SA selective availability<br />
SA situational awareness<br />
SAAAR special aircraft and aircrew<br />
authorization required<br />
SAASM selective availability/anti-spoofing<br />
module<br />
SAASM/EGI SAASM/embedded GPS inertial<br />
system<br />
SAD software architecture document<br />
SADT software architecture design team<br />
SAE Society of Automotive Engineers<br />
SAFIR systems aid for integration and<br />
fault reporting<br />
SAI system architecture and interfaces<br />
SAI System Architecture and Interfaces<br />
Subcommittee (AEEC)<br />
SAM slot allocation management<br />
SAM South American region<br />
SAMM surface area movement<br />
management<br />
SAMPE Society for the Advancement of<br />
Materials and Process Equipment<br />
SAP service access points<br />
SAR search and rescue<br />
SAR synthetic aperture radar<br />
SARPS standards and recommended<br />
practices (ICAO)<br />
SAS stability augmentation system<br />
SAS station address set<br />
SASS surveillance analysis support<br />
system (Eurocontrol)<br />
SAT static air temperature<br />
SAT systems and acceptance testing<br />
SATCOM satellite communications<br />
SATNAV satellite navigation<br />
SB service bulletin<br />
SBAS satellite-based augmentation<br />
system<br />
SBC single board computer<br />
SBD schematic block diagram<br />
40 Avionics Magazine December 2008 www.avtoday.com/av
••• Aerospace Acronym <strong>Guide</strong><br />
SBD short data burst<br />
SC special committee (RTCA)<br />
SCA self-contained approaches<br />
SCA software communications architecture<br />
SCAP standard computerized airplane<br />
performance<br />
SCAT special category<br />
SCCI system controller and cockpit<br />
indicator<br />
SCD system category diagram<br />
SCE super-conducting electronics<br />
SCPC single carrier per channel<br />
SCSI small computer system interface<br />
SD secure digital<br />
SDD system/software design document<br />
SDD system development and demonstration<br />
SDDN software-defined data network<br />
SDF software development folder<br />
SDI source destination identifier<br />
SDL software data loader<br />
SDLC synchronous data link control<br />
SDM software development methodology<br />
SDP software development plan<br />
SDR software defined radio<br />
SDR system design review<br />
SDRAM synchronous dynamic random<br />
access memory<br />
SDR software-defined radio<br />
SDU satellite data unit<br />
SE systems engineering<br />
SEC aircraft information security<br />
(AEEC)<br />
SEC software enabled control<br />
SECAM sequential color with memory<br />
SEI Software Engineering Institute<br />
SEL select identifier<br />
SELCAL selective calling<br />
SEMP system engineering management<br />
plan<br />
SESAR Single European Sky Air Traffic<br />
Management Research program<br />
(Eurocontrol)<br />
SETA system engineering and technical<br />
assistance (contractor)<br />
SE-Vision synthetic-enhanced vision<br />
SEWG security working group<br />
SFAR special federal regulation<br />
SFDF subsystem fault detection function<br />
SFE supplier (or seller)-furnished<br />
equipment<br />
SFT software fault tolerance<br />
SICAS secondary surveillance radar<br />
improvements and collision<br />
avoidance systems<br />
SICASP SICAS Panel (ICAO)<br />
SID standard instrument departure<br />
SIGINT signals intelligence<br />
SIGMET significant meteorological information<br />
SIL surveillance integrity level<br />
SINCGARS single-channel ground and<br />
airborne radio system<br />
SI&T software integration and test<br />
SISG Systems Implementation<br />
Subgroup (IATA)<br />
SIT system integration and test<br />
SITA Societe Internationale de Telecommunications<br />
Aeronautiques<br />
SITD system integration test description<br />
SITP system integration test plan<br />
SITP/D SITP/description<br />
SITR system integration test report<br />
SIU server interface unit<br />
SIWG seat integration<br />
SJU SESAR Joint Undertaking<br />
SKT station-keeping technology<br />
SLA service level agreement<br />
SLC synchronous link control<br />
SLH system level health<br />
SLI system level interface<br />
SLM standard length message<br />
SLoC source lines of code<br />
SLS satellite landing system<br />
SLUC system level use case<br />
SLV service level verifier<br />
SM systems management<br />
SMA surface movement advisor<br />
SMART standard modular avionics repair<br />
and test<br />
SMB serial mezzanine board<br />
SMC Space and Missile Systems<br />
Center (Air Force)<br />
SMD standardized microcurcuit drawing<br />
SMD surface mount device<br />
SMDS switch multimegabit data service<br />
SME system management entity<br />
SMGCS surface movement guidance and<br />
control systems<br />
SMI standard message identifier<br />
SMR simulator maintainability and<br />
reliability<br />
SMR specialized mobile radio<br />
SMR surface movement radar<br />
SMS short messaging service<br />
SMS spectrum monitoring system<br />
SMT standard message text<br />
SMU sensor management unit<br />
SMUG stores management upgrade<br />
system<br />
SN subnetwork<br />
SNA system network architecture<br />
SNAC SN access<br />
SNCR SN connection reference<br />
SNDCF SN dependent convergence function<br />
SNDCF/P SNDCF/protocol<br />
SNICF SN independent convergence<br />
function<br />
SNLE SN link establishment<br />
SNMP simple network management<br />
protocol<br />
SNMPv1 SNMP version 1<br />
SNPA SN point of attachment<br />
SNPDU SN protocol data unit<br />
SNR signal-to-noise ratio<br />
SNSDU SN service data unit<br />
SOC system on a chip<br />
SOH start of header<br />
SOI system operator instructions<br />
SOIA simultaneous offset instrument<br />
approach<br />
SOM software operator manual<br />
SOIT satellite operational implementation<br />
team<br />
SON statement of operational need<br />
SOSCOE System-Of-Systems Common<br />
Operating Environment<br />
SOW statement of work<br />
SP signal processing<br />
SPAR Survivability Planner Associate<br />
Re-router<br />
SPEAR system performance evaluation<br />
and analysis reporting<br />
SPCR system problem/change report<br />
SPI serial peripheral interface<br />
SPICE STANS preparation integrator for<br />
CNS/ATM environment (Eurocontrol)<br />
SPM software programmer’s manual<br />
SPO system program office<br />
SPR safety and performance<br />
requirements<br />
SPS software product specification<br />
SPS standard positioning service<br />
SPS stratospheric platform system<br />
SPTF Spectrum Policy Task Force<br />
SQ service quality<br />
SQAP software quality assurance plan<br />
SQB SQ/billing processor<br />
SQD SQ data<br />
SQP signal quality parameter<br />
SRAM static random access memory<br />
SREJ selective reject<br />
SRM selective reject mode<br />
SRM systematic risk management<br />
SRR system/software requirements<br />
review<br />
SRS software requirements specification<br />
SRTM shuttle radar topography mission<br />
SRU shop replaceable unit<br />
SRW Soldier Radio Waveform<br />
SSA source selection activity<br />
SSA system safety assessment<br />
SSAC source selection advisory committee<br />
SSAP strategic safety action plan<br />
SSB single side band<br />
SSDD system/segment design<br />
document<br />
SSEB source selection evaluation board<br />
SSOI sidestick order indicator<br />
SSR secondary surveillance radar<br />
SSS surveillance server system<br />
SSS system/segment specification<br />
SSU subsequent signal unit<br />
STANAG standardization agreement<br />
STANS simulation for a total air navigation<br />
system (Eurocontrol)<br />
STAP space-time adaptive processing<br />
STAR standard terminal arrival route<br />
STARS standard terminal automation<br />
replacement system (FAA)<br />
STB systems test bed<br />
www.avtoday.com/av December 2008 Avionics Magazine 41
Aerospace Acronym <strong>Guide</strong> •••<br />
STC supplemental type certificate<br />
(FAA)<br />
STCA short-term traffic advisory<br />
STD standard<br />
STD system technical description<br />
STDMA self-organized time division<br />
multiple access<br />
STDMA synchronized time division<br />
multiple access<br />
STF SATCOM tracking facility<br />
STIU satellite telecommunications<br />
intermediate unit<br />
STK Scandinavian Surveillance<br />
Office<br />
STM serial transition module<br />
STOL short takeoff and landing<br />
STOVL short takeoff/vertical landing<br />
STP system test plan<br />
STP/D STP/description<br />
STR system technical report<br />
STR system test report<br />
STVS small tower voice switch<br />
STX start of text<br />
SU signal unit<br />
SUA special use airspace<br />
SUM software user manual<br />
SUPPS regional supplementary<br />
procedures<br />
SUT system under test<br />
SVC switched virtual circuit<br />
SvRR service readiness review<br />
SVS synthetic vision system<br />
SVU satellite voice unit<br />
SW software<br />
SWIM System Wide Information Management<br />
(FAA)<br />
SWIT software integration and test<br />
SWIT switched virtual circuit<br />
SWTP software technology plan<br />
SWTRR software test readiness review<br />
SYS system identifier<br />
SYSCAT-B system category-B (FAA message<br />
format)<br />
SysCI system configuration item<br />
SysDD system design document<br />
T<br />
T-PED transmitting portable electronic<br />
device<br />
T&E test and evaluation<br />
TA traffic advisory (TCAS)<br />
TAA technical advanced aircraft<br />
TACAN tactical air navigation<br />
TAF terminal aerodrome forecast<br />
TAF terminal area forecast (ICAO)<br />
TAIC transport accident investigation<br />
commission<br />
TAIS total airport management system<br />
TAMD theater air and missile defense<br />
TAOARC Terminal Area Operations <strong>Aviation</strong><br />
Rulemaking Committee (FAA)<br />
TAR trials ATN router<br />
TAP tower automation program<br />
TAS traffic advisory system<br />
TASS terminal air surveillance system<br />
TAT total air temperature<br />
TAWS terrain avoidance warning system<br />
TC transport connection<br />
TCA terminal control area<br />
TCAD traffic collision alerting device<br />
TCAS traffic alert collision avoidance<br />
system<br />
TCAS II traffic alert collision avoidance<br />
system II<br />
TCC turbine clearance control<br />
TCDL tactical common data link<br />
TCP transmission control protocol<br />
TCP/IP TCP/Internet protocol<br />
TCS tower communications system<br />
TD technical documentation<br />
TDF training device facility requirements<br />
TDLS tower data link services (system)<br />
TDM time division multiplexed<br />
TDMA time division multiple access<br />
TDOA time difference of arrival<br />
TDST tower data services terminal<br />
TDWR terminal Doppler weather radar<br />
TECOM technical committee<br />
TEDS transducer electronic data sheet<br />
TEI text element identifiers<br />
TELCO telephone company<br />
TEN-T trans-European network-transport<br />
TERCOM terrain contour matching<br />
TERPS terminal en route procedures<br />
TERPS terminal instrument procedures<br />
TES tactical exploitation system<br />
TES trials end system (for ATN)<br />
TESCOS terminal coordination system<br />
TFC traffic<br />
TFM traffic flow management<br />
TFM-M Traffic Flow Management Modernization<br />
(FAA)<br />
TFR temporary flight restriction<br />
TFTP trivial file transfer protocol<br />
TG transmission gate<br />
TG4 maximum time between GSIF’s<br />
timer<br />
TG5 maximum link overlap timer TGT<br />
target<br />
TIA Telecommunications Industry<br />
Association<br />
TIF traffic information file<br />
TIP tower integrated program<br />
TIS traffic information service<br />
TIS traffic information system<br />
TIS-B traffic information service-broadcast<br />
TL terminal location (ACARS/AFEPS)<br />
TLS target level of safety<br />
TM technical manual<br />
TMA traffic management advisor<br />
TMC traffic management coordinator<br />
TMC test, monitor and control<br />
TMOS TSAT Mission Operations System<br />
TM&O telecommunications management<br />
and operations<br />
TMLLF terrain masking low-level flight<br />
TMMAC tactical airborne moving map<br />
capability<br />
TMS-T traffic management system<br />
transition<br />
TMU traffic management unit<br />
TO technical order<br />
TOC transfer of communications<br />
TOFT tactical operational flight trainer<br />
TO/GA take off/go around<br />
TOR terms of reference (ICAO/FAA)<br />
TOW takeoff weight<br />
TP test point<br />
TP4 transport protocol class 4<br />
TPA taxi positional awareness<br />
TPAW turbulence prediction and warning<br />
system<br />
TPDU transport protocol data unit<br />
TPF transaction processing facility<br />
TPL terminal permission list<br />
TPM technical performance management<br />
TPU terminal processing units<br />
TQM total quality management<br />
TRACON terminal radar approach control<br />
TRB technical review board<br />
TRD transit routing domain<br />
TRNS terrain referenced navigation<br />
system<br />
TRR test readiness review<br />
Honeywell TCAS display<br />
TS time source<br />
TS transport service<br />
TSA technical services agreement<br />
TSA temporary segregated areas<br />
TSA Transportation Security<br />
Administration (U.S.)<br />
TSAP transport service access point<br />
TSAT Transformational Satellite Communications<br />
System<br />
TSB Transportation Safety Board<br />
TSC term service commitment<br />
TSC transportation system center<br />
TSDP technical support and data packages<br />
TSDU transport service data unit<br />
TSG technical subgroup<br />
TSG technical standards and<br />
guidelines<br />
42 Avionics Magazine December 2008 www.avtoday.com/av
••• Aerospace Acronym <strong>Guide</strong><br />
TSO technical standard order (FAA)<br />
TSP transmitted signal power<br />
TSS technology support and services<br />
TSPD technical support and data<br />
package<br />
TSTM time source transition module<br />
TT test tools<br />
TTG time to go<br />
TTL transistor-transistor logic<br />
TTNT tactical targeting networking<br />
technology<br />
TTP time-triggered protocol<br />
TTS time to station<br />
TTW time to waypoint<br />
TUAV tactical unmanned aerial vehicle<br />
TURB turbulence<br />
TVE total vertical error<br />
TWDL two-way data link communications<br />
TWIP terminal weather information for<br />
pilots<br />
TWP technical work program<br />
TX transmit<br />
U<br />
UA unmanned aircraft<br />
UA unnumbered acknowledgment<br />
UART universal asynchronous receiver<br />
transmitter<br />
UAS unmanned aircraft system<br />
UAT universal access transceiver<br />
General Atomics MQ-1C Sky Warrior UAS<br />
UATP universal air travel plan<br />
UAV unmanned aerial vehicle<br />
UBI uplink block identifier<br />
UCAV unmanned combat aerial vehicle<br />
UCD universal cockpit display<br />
UCI user computer interface<br />
UD user data<br />
UDF unducted fan<br />
UDP user datagram protocol<br />
UHF ultra-high frequency<br />
UI unnumbered information<br />
UIR upper information region<br />
UL uplink<br />
ULV ultra-low voltage<br />
ULWG upper layer working group<br />
UML unified modeling language<br />
UMTS universal mobile telecommunications<br />
system<br />
UP universal platform<br />
UPRM universal platform resource<br />
management<br />
UPS uninterruptible power supply<br />
UPSMS UPS management supply<br />
URET user request evaluation tool<br />
URL universal resource locator<br />
USB universal serial bus<br />
USC United States code<br />
USCG U.S. Coast Guard<br />
UTC universal time coordinated<br />
UTP unshielded twisted pair<br />
UV ultraviolet<br />
UUT unit under test<br />
UWB ultra wide-band<br />
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www.avtoday.com/av December 2008 Avionics Magazine 43
Aerospace Acronym <strong>Guide</strong> •••<br />
V<br />
V volt<br />
VITA VMEbus International Trade<br />
Group<br />
V/ULOS versions of the HaveQuick and<br />
VHF/UHF line of sight<br />
V&V verification and validation<br />
VAC volts alternating current<br />
VAD Visual Acquisition Disrupter<br />
VAM value-added manufacturer<br />
VANS value-added network services<br />
VAR value-added reseller<br />
VAP value-added processor<br />
VAS value-added services<br />
VASI visual approach slope indicator<br />
VBV variable bleed valve<br />
VC virtual circuit<br />
VCB virtual circuit bridge<br />
VCDU video control display unit<br />
VCP video cassette player<br />
VCU VDL control unit<br />
VDC volts direct current<br />
VDD version description document<br />
VDGS visual docking guidance system<br />
VDL VHF data link<br />
VDL4 VHF Data Link Mode 4<br />
VDLM2 VDL Mode 2<br />
VDLM3 VDL Mode 3<br />
VDLM4 VDL Mode 4<br />
VDR VHF data radio<br />
VDU visual display unit<br />
VEE visual engineering environment<br />
VER version<br />
VFD virtual flight deck<br />
VFR visual flight rules<br />
VGA video graphics adapter<br />
VGA video graphics array<br />
VG/DG vertical gyro/directional gyro<br />
VGS VDLM2 ground station<br />
VHF very high frequency<br />
VHSIC very high speed integrated circuit<br />
VIA versatile integrated avionics<br />
VIP verbal intruder positioning<br />
VLJ very light jet<br />
VLSI very large scale integration<br />
VMC vehicle management computer<br />
VMC visual meteorological conditions<br />
VMD video motion detection<br />
VME versa module Eurocard bus<br />
VME VHF management entity (VMEbus)<br />
VMECC versa module Eurocard card cage<br />
VMON VNMS health monitoring<br />
VMS vehicle management system<br />
VNAV vertical navigation<br />
VNE never-exceed speed<br />
VNMS VDLM2 network management<br />
system<br />
VNO maximum structural cruising<br />
speed<br />
VOCRAD voice radio<br />
VOIP voice over Internet protocol<br />
VOR VHF omnidirectional radio range<br />
VPN virtual private network<br />
Embraer Phenom 100 VLJ<br />
VPT virtual procedure trainer<br />
Vr 157 knots<br />
VR rotation speed<br />
VREF approach reference speed<br />
VRG VDL reference guide<br />
VSAT very small aperture terminal<br />
VSCS voice switching and control<br />
system<br />
VSD VDL specific DTE address<br />
VSM vertical separation minimum<br />
VSRS voice switch replacement system<br />
VSTC validation of supplemental type<br />
certificate<br />
VSWR voltage standing wave radio<br />
VTAM virtual telecommunications<br />
access method<br />
VTAS voice, throttle and stick<br />
VTOL vertical takeoff and landing<br />
VTS vessel traffic system<br />
VUIT-2 Video from Unmanned Aerial<br />
Systems for Interoperability<br />
Teaming Level II<br />
W<br />
WAAS wide area augmentation system<br />
WACS wireless airport communication<br />
system<br />
WADGPS wide area differential GPS<br />
WAEA World Airline Entertainment<br />
Association<br />
WAFC world area forecast center<br />
WAN wide area network<br />
WARC World Administrative Radio<br />
Conference<br />
WARP weather and radar processor<br />
WAS wide area search<br />
WASP wireless access service point<br />
WATRS west Atlantic route structure<br />
WBS weight balance system<br />
WBS work breakdown structure<br />
WC waypoint capture<br />
WDM wavelength division multiplexed<br />
WDM LAN wavelength division multiplexed<br />
local area network<br />
WG working group<br />
Wi-Fi wireless fidelity<br />
WGS world geodetic system<br />
Wilco will comply<br />
WIN-T Warfighter Information Network<br />
WINN Weather Information Network<br />
WIP wide area augmentation system<br />
integrity panel<br />
WIPPS wide-body integrated platform<br />
protection system<br />
WJHTC William J. Hughes Technical<br />
Center (FAA)<br />
WLG wireless ground-link<br />
WMO World Meteorological Organization<br />
WMSCR weather message switching<br />
center replacement<br />
WNW wideband networking waveform<br />
WORM write-once/read many (optical<br />
disk technology)<br />
WP work procedure<br />
WPR waypoint position report<br />
WPT waypoint<br />
WQAR wireless quick access recorder<br />
WRC World Radiocommunication<br />
Conference<br />
WS windshear<br />
WSDDM weather support for deicing<br />
decision-making<br />
WSR weather surveillance radar<br />
WTMD Wake Turbulence Mitigation for<br />
Departures (FAA)<br />
WWG wireless working group<br />
WX weather<br />
WXR weather radar<br />
X<br />
X cancel<br />
XID exchange identification<br />
XFR transfer<br />
XL-ETFE cross-linked ethylene<br />
tetraflourothylene<br />
XMC switched fabric mezzanine card<br />
XMIT transmit<br />
XMTR transmitter<br />
XPDR transponder<br />
XTI X-open transport interface<br />
XTP express transfer protocol<br />
XTRA X-ban thin radar aperture<br />
XWIND crosswind<br />
Z<br />
Zulu (Greenwich mean time)<br />
ZFW zero fuel weight<br />
ZOC zone of convergence<br />
ZVF zero velocity filter<br />
44 Avionics Magazine December 2008 www.avtoday.com/av