Glossary

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

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HZ

Definition
Haze
Glossary Meteorology Source: AIS

HZ (hz)

Definition
Hertz
Glossary Measurement Source: AIS

HZS

Definition
Horizontal Surface
Glossary Measurement Source: AIS

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
Online version available at: https://www.casa.gov.au//resources-and-education/glossary
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