Glossary

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

Showing 1 - 30 of 65 results

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IA

Definition:
Inspection authorisation
Glossary Airworthiness Source: AIS

IAC

Definition:
Instrument approach chart (followed by name/title)
Glossary Publications and charts Source: FAR

IAF

Definition:
Initial Approach Fix
Glossary Navigation Source: ICAO

IAL

Definition:
Instrument Approach and Landing Chart
Glossary Publications and charts Source: AIS

IAO

Definition:
In and out of clouds
Glossary Meteorology Source: AIS

IAP

Definition:
Instrument Approach Plate
Glossary Instrument flight rules Flight planning Source: AIS

IAR

Definition:
Intersection of air routes
Glossary Instrument flight rules Flight planning

IAS

Definition:
Indicated air speed
Glossary Measurement Source: ICAO

IATA

Definition:
International Air Transport Association
Glossary Organisation Source: ICAO

IAW

Definition:
In Accordance With
Glossary Regulations

IAWP

Definition:
Initial Approach Way-point
Glossary Navigation

IBN

Definition:
Identification Beacon
Glossary Systems Source: AIS

IC

Definition:
Ice Crystals (MET code)
Glossary Meteorology Source: AIS

ICA

Definition:
Instructions for continuing airworthiness (issued by manufacturer or designer)
Glossary Airworthiness Source: AIS

ICAO

Definition:
International Civil Aviation Organization
Glossary Organisation Source: CAR 1998

ICE

Definition:
Icing, Ice
Glossary Meteorology Source: ICAO

ICUS

Definition:
In-command Under Supervision
Glossary Licensing Source: AIS

ID

Definition:
Identifier, identify
Glossary Flight planning

IDENT

Definition:
Identification
Glossary Licensing Source: AIS

IF

Definition:
Instrument Flight
Glossary Instrument flight rules Flight planning Source: AIS

IF

Definition:
Intermediate Approach Fix
Glossary Navigation

IFF

Definition:
Identification Friend/Foe
Glossary Communication Source: AIS

IFR

Definition:
Instrument Flight Rules
Description:
Required for flight in 'non-visual meteorological conditions'. Rough translation: The weather is so bad you can't see out the windows.
Glossary Instrument flight rules Flight planning Source: AIS

IFSD

Definition:
In-flight Shutdown
Glossary Safety Source: ICAO

IG

Definition:
Implementation Group
Glossary Organisation

IGA

Definition:
International general aviation
Glossary Organisation

ILS

Definition:
Instrument Landing System
Glossary Instrument flight rules Flight planning Source: AIPICAO

IM

Definition:
Inner Marker
Glossary Navigation Source: AIS

IMC

Definition:
Instrument meteorological conditions (other than VMC)
Glossary Meteorology Source: AIS

IMC

Definition:
Indirect Maintenance Cost
Glossary Airworthiness Source: CAR 1988
Online version available at: https://www.casa.gov.au//resources-and-education/glossary
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