Glossary

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

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SEV

Definition
Severe (used eg to qualify icing and turbulence report)
Glossary Meteorology Source: AIS

SFC

Definition
Surface
Glossary Meteorology Source: AIS

SFL

Definition
Sequenced Flashing Lights
Glossary Aerodrome Source: AIS

SG

Definition
Snow Grains
Glossary Meteorology Source: AIS

SH...

Definition
Showers (followed by RA=rain, SN=snow, PL=ice pellets, GR=hail, GS=small hail and/or snow pellets or combinations thereof, eg, SHRASN = showers of rain and snow)
Glossary Meteorology Source: AIS

SHF

Definition
Super High Frequency (3,000 to 30,000 MHZ)
Glossary Communication Source: AIS

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