Glossary

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

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GS

Definition
Graupel (Small Hail and/or Snow Pellets - met)
Glossary Meteorology Source: AIS

GS

Definition
Groundspeed
Glossary Flight planning Source: AIS

GUND

Definition
Geoid Undulation
Glossary Measurement Source: AIS

H24

Definition
Continuous day and night service
Glossary Communication Source: AIS

HAA

Definition
Helicopter Association of Australia
Glossary Organisation

HAA

Definition
Height Above Aerodrome
Glossary Measurement Source: AIS

HAAMC

Definition
Head of Aircraft Airworthiness and Maintenance Control
Glossary Airworthiness Aircraft maintenance Source: Aviation Law in Australia, 2004 edition

HALE

Definition
High-altitude long endurance
Description
High-altitude long endurance
Glossary

HAM

Definition
Head of Aircraft Maintenance
Glossary Aircraft maintenance Source: CASR Part 145

HAMC

Definition
Head of Aircraft Maintenance Control
Glossary Aircraft maintenance Source: CASR Part 145

HAPI

Definition
Helicopter approach path indicator
Glossary Instrumentation Source: ICAO

HAPs

Definition
High-altitude pseudo-satellites
Description
High-altitude pseudo-satellites
Glossary

HAT

Definition
Height Above Threshold
Glossary Measurement Source: AIS

HBN

Definition
Hazard Beacon
Glossary Safety Source: AIS

HDF

Definition
High frequency direction-finding station
Glossary Communication Source: ICAO
Online version available at: https://www.casa.gov.au//resources-and-education/glossary
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