G | Green |
G/A | Ground−to−air |
G/A/G | Ground−to−air and air−to−ground |
GAMET | Area forecast for low−level flights |
GAT | General air traffic |
GCA | Ground controlled approach system or ground controlled approach |
GEN | General |
GEO | Geographic or true |
GER | German language |
GES | Ground earth station |
GLD | Glider |
GLONASS | Global orbiting navigation satellite system ( to be pronounced "GLO−NAS") |
GMC | Ground movement chart (followed by name/title) |
GND | Ground |
GNDCK | Ground check |
GNSS | Global navigation satellite system |
GP | Glide path |
GPS | Global positioning system |
GR | Hail |
GRASS | Grass landing area |
GRVL | Gravel |
GS | Ground speed |
GS | Small hail and/or snow pellets |
GUND | Geoid undulation |