Glossary
Navigating the complex world of aerospace can be daunting, especially when it comes to deciphering the industry's extensive list of abbreviations and technical terms. But fear not, we've compiled a comprehensive guide to help you make sense of it all.
From A to Z, this list of aerospace abbreviations and terms is your one-stop-shop for understanding the lingo used in this dynamic field. Whether you're an industry professional, a student, or simply curious about the aerospace industry, this resource will equip you with the knowledge you need to communicate effectively and stay ahead of the curve.
Explore this alphabetized guide and unlock the secrets of the aerospace world. With clear explanations and real-world examples, you'll be speaking the language of the skies in no time. Bookmark this page and refer to it whenever you encounter an unfamiliar acronym or technical jargon – your aerospace journey just got a whole lot smoother.
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| g | Gramme |
| G | Acceleration due to gravity; generally a unit in measuring the nett lift on aircraft |
| G limit | Maximum acceleration due to gravity |
| G/A | Ground-to-air |
| GA | General arrangement; a 3- or 4-view drawing of complete aircraft |
| also: | General aviation |
| GaAs | Gallium arsenide |
| GAL | Gallon |
| GAO | General Accounting Office (US) |
| GAPAN | Guild of AirPilots and Navigators |
| GAT | General Aviation Terminal |
| GAU | Gun aircraft unit (US) |
| GBU | Glide bomb unit (US) |
| GCA | Ground controlled approach |
| GCI | Ground controlled interception |
| GEN | General |
| GEO | Geostationary Earth orbit |
| also: | Geographic |
| GFE | Government furnished equipment |
| GFRP | Glass-fibre reinforced plastic |
| GGS | Gyro gunsight |
| GIFAS | Groupement des Industries Francaises Aéronautiques et Spatiales; France's aerospace manufacturers association |
| GLCM | Ground-launched cruise missile |
| GLD | Glider |
| glide ratio | Distance travelled along track divided by height lost; in still air and unpowered |
| glideslope | Vertical/altitude guidance element of an ILS |
| glove | Inmovable root section of a variable geometry wing |
| GmbH | Gesellschaft mit beschraenkter Haftung (German); limited liability company |
| GMT | Greenwich Mean Time; re: UTC |
| GNS | Global navigation system |
| GP | General purpose |
| also: | Glide path |
| GPI | Glide path indicator |
| GPMG | General purpose machine gun |
| GPS | Global positioning system; formerly 'Navstar' |
| GPU | Ground power unit |
| also: | Gun pod unit |
| GPWS | Ground proximity warning system |
| GR | Ground attack reconnaissance (UK) |
| green aircraft | Completed airframe, flyable but minimally equipped, without paint and interior |
| GRP | Glass reinforced plastics |
| GS | Ground speed |
| GSE | Ground support equipment |
| GTO | Geostationary transfer orbit |
| GTS | Gas turbine starter |
| GW | Guided weapon |
| gyroplane | re: autogyro |