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Aviation
Aviation, aircraft and air-traffic acronyms explained.
SAA
Sense and Avoid
SAFO
Safety Alerts For Operators
SAM
System Area Monitor
SAR
Search and Rescue
SAS
Stability Augmentation System
SATR
Special Air Traffic Rules
SBAS
Satellite-based Augmentation System
SDF
Simplified Directional Facility
SFL
Sequenced Flashing Lights
SFR
Special Flight Rules
SFRA
Special Flight Rules Area
SGI
Special Government Interest
SIAP
Standard Instrument Approach Procedure
SID
Standard Instrument Departure
departure route from an airport
SIGMET
Significant Meteorological Information
SM
Statute Mile
SMGCS
Surface Movement Guidance Control System
SNR
Signal-to-noise Ratio
SOIA
Simultaneous Offset Instrument Approaches
SOP
Standard Operating Procedure
SPC
Storm Prediction Center
SPS
Standard Positioning Service
STAR
Standard Terminal Arrival
STARS
Standard Terminal Automation Replacement System
STMP
Special Traffic Management Program
sUAS
Small UAS
TA
Traffic Advisory
TAA
Terminal Arrival Area
TAC
Terminal Area Chart
TACAN
Tactical Air Navigation
TAF
Aerodrome Forecast
TAS
True Air Speed
TCAS
Traffic Alert and Collision Avoidance System
TCH
Threshold Crossing Height
TD
Time Difference
TDLS
Tower Data Link System
TDWR
Terminal Doppler Weather Radar
TDZ
Touchdown Zone
TDZE
Touchdown Zone Elevation
TDZL
Touchdown Zone Lights