Appendix B: Acronyms
STC—Supplemental Type Certificate
SUA—Special Use Airspace
SUA/ISE—Special Use Airspace/In-flight Service Enhancement
SVFR—Special Visual Flight Rules
SVGS—Synthetic Vision Guidance System
SVS—Synthetic Vision System
SWAP—Severe Weather Avoidance Plan
SWIM—System Wide Information Management
T
TA—Traffic Advisory
TAA—Terminal Arrival Area
TACAN—Tactical Air Navigation
TAF—Terminal Aerodrome Forecast
TAS—True Air Speed
TAWS—Terrain Awareness and Warning Systems
TB—Track Bar
TCAS—Traffic Alert and Collision Avoidance System
TCH—Threshold Crossing Height
TDLS—Terminal Data Link System
TDZ—Touchdown Zone