G
- G
- G-7
- G-77
- G-8
- G/A/G
- GA
- GACA
- GADSS
- GAMET
- GASP
- GAT
- GBAS
- GBAS landing system
- GBDAA
- GBMS
- GBT
- GBTS
- GCA
- GCAS
- GCC
- GCO
- GCU
- GDP (1)
- GDP (2)
- GDPE
- GDS
- GDSs
- GE
- geared turbofan
- GEF
- GENAV
- GENDEC
- general air traffic
- general authority of civil aviation
- general aviation
- general declaration
- general effect
- general linear models
- general maintenance manual
- generator control unit
- geoid undulation
- GES
- GHG
- GI
- GIACC
- GLD
- glide
- glide path
- glide path angle
- glide path intercept point
- glide slope
- glider
- GLM
- global aeronautical distress and safety system
- global aviation safety plan
- global distribution systems
- global navigation satellite system
- global orbiting navigation satellite system
- global positioning system
- GLONASS
- GLS
- GLS-GBAS
- GMC
- GMM
- GMT
- GMTI
- GNDCK
- GNE
- GNSS
- go around
- GOA
- golf
- GP
- GPA
- GPIP
- GPS
- GPU
- GPWS
- GR
- gradual
- graduate record examination
- GRAS
- GRASS
- grass landing area
- GRDL
- GRE
- greenhouse gases
- greenwich mean time
- grid minimum off-route altitude
- Grid MORA
- grooved runway
- gross domestic product
- gross vehicle weight
- gross vehicle weight ratio
- ground-based augmentation landing system
- ground-based augmentation system
- ground-based detect and avoid
- ground-based medical support
- ground-based regional augmentation system
- ground-based training system
- ground-to-air and air-to-ground
- ground check
- ground collision
- ground collision avoidance system
- ground controlled approach system
- ground earth station
- ground idle
- ground movement chart
- ground moving target indicator
- ground proximity warning system
- ground servicing
- ground speed
- ground support equipment
- ground test facility
- group of eight
- group of seven
- group of seventy seven
- group on international aviation and climate change
- GRVD runway
- GS (1)
- GS (2)
- GS (3)
- GS (4)
- GSE
- GTF
- GTF (2)
- GUMPS
- GUND
- GVW
- GVWR
- GWS
- GWT
- GZ