Glossary

Look up acronyms, technical terms and phrases to find out what they mean.

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GP

Definition
FLG Group Flashing (number) (used in conjunction with aerodrome lighting)
Glossary Aerodrome Source: AIS

GPI

Definition
Glide Path Intercept
Glossary Navigation Source: AIS

GPS

Definition
Global positioning system (see GNSS)
Glossary Navigation

GPWS

Definition
Ground proximity warning system
Glossary Safety

GR

Definition
Hail
Glossary Meteorology Source: AIS

GRAD

Definition
Minimum Required Climb Gradient
Glossary Flight planning Source: AIS

GRAS

Definition
Ground Based Regional Augmentation System
Glossary Systems

GRASS

Definition
Grass Landing Area
Glossary Aerodrome Source: AIS

GRIB

Definition
Grid point values in binary form
Description
Processed meteoroglogical data in the form of grid point values expressed in binary form (aeronautical meterological code)
Glossary Meteorology Source: ICAO

GRVL

Definition
Gravel (NOTAM)
Glossary Communication Source: AIS
Online version available at: https://www.casa.gov.au//resources-and-education/glossary
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