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

GGreen
G/AGround−to−air
G/A/GGround−to−air and air−to−ground
GAMETArea forecast for low−level flights
GATGeneral air traffic
GCAGround controlled approach system or ground controlled approach
GENGeneral
GEOGeographic or true
GERGerman language
GESGround earth station
GLDGlider
GLONASSGlobal orbiting navigation satellite system ( to be pronounced "GLO−NAS")
GMCGround movement chart (followed by name/title)
GNDGround
GNDCKGround check
GNSSGlobal navigation satellite system
GPGlide path
GPSGlobal positioning system
GRHail
GRASSGrass landing area
GRVLGravel
GSGround speed
GSSmall hail and/or snow pellets
GUNDGeoid undulation
(C) 2012-18 Jan Hrkal