Glossary

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

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TYPH

Definition
Typhoon
Glossary Meteorology Source: AIS

U/S

Definition
Unserviceable
Glossary Airworthiness Source: AIS

UAB

Definition
Until Advised By
Glossary Communication Source: AIS

UAM

Definition
Urban air mobility
Glossary

UAS

Definition
Uncrewed aircraft system
Glossary RPAS

UAV

Definition
Unmanned aerial vehicles
Glossary RPAS Source: AIS

UDF

Definition
UHF Direction Finding Stations
Glossary Navigation Source: AIS

UFIT

Definition
Uncontrolled Flight Into Terrain
Glossary Safety Source: CASR Part 101

UFN

Definition
Until Further Notice
Glossary Communication Source: AIS

UHBR

Definition
Ultra-high bypass-ratio (jet engine)
Glossary
Online version available at: https://www.casa.gov.au//resources-and-education/glossary
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