AEROSPACE ACRONYM & Abbreviation Guide

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December 2010

Avionics Magazine proudly presents the fifth edition of our biennial Aerospace Acronym & Abbreviation Guide. Updated with the latest terms from the magazine’s pages, this comprehensive guide has grown to more than 3,000 civil and military acronyms.

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

  • G/A ground/air or ground-to-air

  • G/G ground/ground

  • G/S glide slope

  • GA general aviation

  • GA go-around

  • GAAS gallium arsenide

  • GACS genetic ATN communications service

  • GAGAN geostationary augmentation network

  • GAIN galley inserts

  • GAIT ground-based augmentation and integrity technique

  • GAMA General Aviation Manufacturers Association

  • GAN global area network

  • GAO Government Accountability Office (U.S.)

  • GATM global air traffic management

  • GAViS general aviation vision system

  • GBAS ground-based augmentation system

  • GBSAA ground-based sense and avoid

  • GBST ground-based software tool

  • GBT ground-based transceiver

  • Gbyte gigabyte (billion bytes)

  • GCA ground-controlled approach

  • GCAS ground collision avoidance system

  • GCB generator circuit breaker

  • GCC ground cluster controller (ACARS)

  • GCP glare-shield control panel

  • GCS ground clutter suppression

  • GCS ground control station

  • GCU generator control unit

  • GDLP ground data link processor

  • GDOP geometric dilution of precision

  • GDP ground delay program

  • GENOT general notice

  • GEO geosynchronous/geostationary earth orbit

  • GEP ground entry point

  • GES ground earth station

  • GFE government furnished equipment

  • GFI general format identifier

  • GFLOPS gigaflops

  • GFSK Gaussian frequency shift keying

  • GG graphics generator

  • GGR G/G router

  • GGS GPS ground station

  • GGTFM ground-ground traffic flow man­agement

  • GH ground handling

  • GHG greenhouse gas

  • GHz gigahertz

  • GI group identifier

  • GIB global navigation satellite system integrity broadcast

  • GIC global navigation satellite system integrity channel

  • GIC GPS integrity channel

  • GIG Global Information Grid

  • GIG-BE GIG-Band Expansion

  • GICB ground-initiated comm-B

  • GIHO ground initiated handoff

  • GINS GPS-inertial navigation systems

  • GIOVE-A Galileo In-Orbit Validation Experiment-A

  • GIP government-industry partnership

  • GIS geodetic information system

  • GIS geographic information system

  • GIS graphical information system

  • GIVE grid inospheric vertical error

  • GJU Galileo joint undertaking

  • GL ground location (ACARS/AFEPS)

  • GL group length

  • GLC geographic locator codes

  • GLNS GPS landing and navigation system

  • GLONASS Global Navigation Satellite System (Russia)

  • GLS GNSS landing system

  • GLS GPS landing system

  • GLU GPS landing unit

  • GM guidance material

  • GMC ground movement control

  • GMDS ground mobile data service

  • GMR giant magnetoresistive

  • GMT Greenwich mean time

  • GMTI ground moving target indicator

  • GMU GPS monitoring unit

  • GNA global network architecture

  • GNE gross navigational error

  • GNR global navigation receiver

  • GNSS global navigation satellite system

  • GNSSP GNSS Panel (ICAO)

  • GoMATS Gulf of Mexico advanced traffic surveillance

  • GOMEX Gulf of Mexico

  • GOPS giga operations

  • GOS grade of service

  • GOSIP government open systems interconnection profile

  • GP general purpose

  • GPADIRS global positioning, air data, inertial reference system

  • GPCBT guidelines for the production of computer-based training (Eurocontrol)

  • GP&C global positioning and communications

  • GPIB general purpose instrument bus

  • GPIRS global positioning/inertial reference system

  • GPP general purpose processor

  • GPPU general-purpose processing unit

  • GPRS general packet radio services

  • GPS Global Positioning System

  • GPSSU GPS sensor unit

  • GPU ground power unit

  • GPWC ground proximity warning computer

  • GPWS ground proximity warning system

  • GR ground router

  • GRAS ground-based regional augmentation system

  • GRIP gridded binary (National Weather Service model output)

  • GRP geographic reference point

  • GS ground speed/station

  • GSC ground station controller (ACARS)

  • GSE ground support equipment

  • GSIF ground station information frame

  • GSM global systems mobile

  • GSMS ground station management system

  • GSP glare shield panel

  • GTC ground terminal computer

  • GUI graphical user interface

  • GVA geometric vertical accuracy

  • GVE graphics vector engine

  • GW gateway

  • GWDS graphic weather display system

  • GWS graphical weather services