Civil aviation dictionary
Aviation glossary
Terms, abbreviations and procedures explained without unnecessary jargon, with English names and clear definitions.
- Total entries
- 2480
- Terms
- 435
- Abbreviations
- 2045
S
- Abbreviationsky clear
SKC stands for sky clear in FAA terminology.
- AerodynamicsSlats
Leading-edge wing devices that improve airflow at higher angles of attack.
- Abbreviationslush on runway
SLR stands for slush on runway in FAA terminology.
- Abbreviationsnow and ice on runway
SIR stands for snow and ice on runway in FAA terminology.
- Abbreviationsnow grains (weather reports only)
SG stands for snow grains (weather reports only) in FAA terminology.
- Abbreviationsnow showers
SHSN stands for snow showers in FAA terminology.
- AbbreviationSociété Internationale de Télécommunications Aéronautiques
SITA stands for Société Internationale de Télécommunications Aéronautiques in FAA terminology.
- AbbreviationSoftware Engineering Resource Center
SERC stands for Software Engineering Resource Center in FAA terminology.
- AbbreviationSouth or southern latitude
S stands for South or southern latitude in FAA terminology.
- Abbreviationsouth plains
SPLNS stands for south plains in FAA terminology.
- Abbreviationsouth-southeastern (weather reports only)
SSERN stands for south-southeastern (weather reports only) in FAA terminology.
- Abbreviationsouth-southeastward (weather reports only)
SSEWD stands for south-southeastward (weather reports only) in FAA terminology.
- Abbreviationsouth-southwestern (weather reports only)
SSWRN stands for south-southwestern (weather reports only) in FAA terminology.
- Abbreviationsoutheastern (weather reports only)
SERN stands for southeastern (weather reports only) in FAA terminology.
- AbbreviationSouthwest Region, FAA
ASW stands for Southwest Region, FAA in FAA terminology.
- Abbreviationsouthwesterly (weather reports only)
SWLY stands for southwesterly (weather reports only) in FAA terminology.
- Abbreviationsouthwestern (weather reports only)
SWRN stands for southwestern (weather reports only) in FAA terminology.
- OperationsSPACE LAUNCH AND REENTRY AREA
Locations where commercial space launch and/or reentry operations occur.
- AbbreviationSpace Positional Optical Radar Tracking
SPORT stands for Space Positional Optical Radar Tracking in FAA terminology.
- OperationsSPACE-BASED ADS-B (SBA)
A constellation of satellites that receives ADS-B Out broadcasts and relays that information to the appropriate surveillance facility.
- OperationsSPECIAL ACTIVITY AIRSPACE (SAA)
Airspace with defined dimensions within the National Airspace System wherein limitations may be imposed upon operations for national defense, homeland security, public interest, or public safety.
- Radio communications and ATCSPECIAL AIR TRAFFIC RULES (SATR)
Rules that govern procedures for conducting flights in certain areas listed in 14 CFR part 93.
- Abbreviationspecial air-report
ARS stands for special air-report in FAA terminology.
- AbbreviationSpecial Federal Aviation Regulation 38
SFAR-38 stands for Special Federal Aviation Regulation 38 in FAA terminology.