Appendix B: Acronyms
TDZE—Touchdown Zone Elevation
TEC—Tower En-route Control
TERPS—Terminal Instrument Procedures
TFR—Temporary Flight Restriction
TIBS—Telephone Information Briefing Service
TIS-B—Traffic Information Service-Broadcast
TIBS—Telephone Information Briefing Service
TOC—Top Of Climb
TOD—Top Of Descent
TODA—Takeoff Distance Available
TOGA—Takeoff/Go Around
TORA—Takeoff Runway Available
TPP—Terminal Procedures Publication
TRACAB—Terminal Radar Approach Control in Tower Cab
TSO—Technical Standard Order
TSOA—Technical Standing Order Authorization
U
UHF—Ultra High Frequency
UNICOM—Universal Communications
U.S.—United States