Glossary

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

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CH

Definition
Channel continuity check
Description
This is a channel continuity check of transmission to permit comparision of your record of channel-sequence numbers of messages received on the channel (to be used in AFS as a procedure signal)
Glossary Navigation Surveillance Source: ICAO

CHG

Definition
Modification (message type designator)
Glossary Systems Source: ICAO

CHTR

Definition
Charter
Description
Carriage of cargo or passengers on non-scheduled operations by the aircraft operator or his/her employees for hire or reward, but excluding Regular Public Transport Operations (scheduled services).
Glossary Flight operations Source: AIS

CI

Definition
Cirrus (met)
Glossary Meteorology Source: AIS

CIDIN

Definition
Common ICAO data interchange network
Glossary Systems Source: ICAO

CIR

Definition
Command Instrument Rating
Glossary Licensing Source: CAR 1988

CIT

Definition
Near, Over Large Town(s)
Glossary Air traffic control Source: AIS

CIV

Definition
Civil
Glossary Instrumentation Source: AIS

CK

Definition
Check
Glossary Safety Source: AIS

CL

Definition
Centre Line
Glossary Aerodrome Source: AIS
Online version available at: https://www.casa.gov.au//resources-and-education/glossary
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