|
Definition
|
Contraction
|
Usage
|
|
gain time control
|
GTC |
ATC |
|
gallons |
GALS |
ATC |
|
garble |
GRBL |
GEN |
|
GBAS Landing System |
GLS |
ICAO |
|
general |
GEN |
GEN |
|
general aviation
|
GA |
GEN |
|
General Aviation
District Office |
GADO |
GEN |
|
general notice
|
GENOT |
GEN |
|
General Safety District
Office |
GSDO |
GEN |
|
general safety inspector
|
GSI |
GEN |
|
General Services
Administration |
GSA |
GEN |
|
generator |
GNTR |
GEN |
|
geographic |
GEO |
GEN |
|
geographical reference
|
GEOREF |
GEN |
|
Geoid undulation
|
GUND |
ICAO |
|
get quick answer
|
GQA |
GEN |
|
gigahertz |
GHZ |
GEN |
|
give better address
|
GBA |
GEN |
|
give better reference
|
GBR |
GEN |
|
giving |
GVG |
GEN |
|
glaze icing
|
GICG |
NWS |
|
glide angle
|
GA |
GEN |
|
glide path |
GP |
ICAO |
|
glide slope
|
GS |
GEN |
|
glider |
GLD |
ICAO |
|
glider |
GLDR |
GEN |
|
global navigation
satellite system |
GLONASS |
ICAO |
|
global navigation
satellite system (in general)
|
GNSS |
ICAO |
|
Global orbiting
navigation satellite system
|
GLONASS |
ICAO |
|
global positioning
system |
GPS |
ICAO
|
|
Go ahead, resume sending
(to be used in AFS as a procedure
signal) |
GA |
ICAO |
|
government |
GOVT |
GEN |
|
government bill of
lading |
GBL |
GEN |
|
government vehicle
|
GVH |
GEN |
|
Governor |
GOV |
GEN |
|
GPS Integrity Channel
|
GIC |
ATC |
|
gradient |
GRAD |
NWS |
|
gradual |
GRADU |
ICAO |
|
gradual |
GRDL |
NWS |
|
Grand Banks
|
GRBNKS |
NWS |
|
grass landing area
|
GRASS |
ICAO |
|
gravel |
GRVL |
ICAO |
|
Great Circle
|
GTCL |
GEN |
|
Great Lakes
|
GRTLKS |
NWS |
|
Great Lakes Region, FAA
|
AGL |
GEN |
|
greater |
GTR |
GEN |
|
green |
G |
ICAO |
|
Greenwich Mean Time
|
GMT |
GEN |
|
Greenwich Mean Time
|
Z |
GEN |
|
grid point values of
processed meteorological data
|
GRID |
ICAO |
|
gross weight
|
GWT |
GEN |
|
ground |
GND |
GEN |
|
ground-based
augmentation system |
GBAS |
ICAO |
|
ground check
|
GNDCK |
ICAO |
|
ground communication
outlet |
GCO |
ATC |
|
ground control
|
GC |
GEN |
|
ground control approach
|
GCA |
ICAO
|
|
ground control intercept
|
GCI |
GEN |
|
ground delay program
|
GDPGM |
ATC |
|
ground delay program
|
GDP |
ATC |
|
ground earth station
|
GES |
ICAO |
|
ground fog |
GNDFG |
NWS |
|
ground movement chart
(followed by name/title) |
GMC |
ICAO |
|
ground point of
intercept |
GPI |
ATC |
|
ground speed
|
GS |
ATC |
|
ground stop
|
GS |
ATC |
|
ground to air
|
G/A |
ICAO |
|
ground to air and air to
ground |
G/A/G |
ICAO |
|
ground visibility
|
GV |
NWS |
|
Gulf of Alaska
|
GLFALSK |
NWS |
|
Gulf of California
|
GLFCAL |
NWS |
|
Gulf of Mexico
|
GLFMEX |
NWS |
|
Gulf of St. Lawrence
|
GLFSTLAWR |
NWS |
|
gusts |
GSTS |
NWS |
|
gusts reaching (knots)
(weather reports only) |
G |
NWS |
|
gusty |
GSTY |
NWS |
