Glossary

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

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SHP

Definition
Shaft Horse Power
Glossary Measurement Source: AIS

SID

Definition
Standard instrument departure
Glossary Instrument flight rules Flight planning Source: AIS

SIF

Definition
Selective Identification
Glossary Licensing

SIG

Definition
Significant
Glossary Meteorology Source: ICAO

SIGMET

Definition
Information concerning en route weather phenomena which may affect the safety of aircraft operations
Glossary Meteorology Source: AIS

SIL

Definition
Service Information Letter
Glossary Communication Source: AIS

SIMUL

Definition
Simultaneous, or Simultaneously
Glossary Flight operations Source: AIS

SKC

Definition
Sky Clear
Glossary Meteorology

SKED

Definition
Schedule, Scheduled
Glossary Airworthiness Source: AIS

SL

Definition
Service Letter
Glossary Airworthiness Source: AIS
Online version available at: https://www.casa.gov.au//resources-and-education/glossary
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