TCCC Tower Control Computer Complex
TCM Technical Coordination Meeting
TCS Touch Control Steering
TCXO Temperature Controlled Crystal Oscillator
TDLS Tower Data Link System
TDM In the Time Division Multiplex Systems a common carrier is shared to transmit multiple messages (to multiple receivers) by time sharing the carrier between the message sources.
TDMA Time Division Multiplex Access. When multiple trans-mitters are using a single carrier to transmit to a sin-gle receiver, the carrier is time shared between each of the transmitters,so the multiple messages are not garbled at the receiver.
TDOP Time Dilution of Precision. A term used to describe the error introduced by variances in the calculated time.
TDR Transponder
TEC Thermo-Electric Cooler
TEI Text Element Identifiers
TEMP Temperature
Temperature A sensor protruding into the airstream to sense air
Probe temperature. Requires correction to get static air tem
perature.
TERPS Terminal Instrument Procedures
TF1 RTCA Task Force One,GNSS Transition and
Implementation Strategy
TF2 RTCA Task Force Two,Transition to Digital
Communications
TF3 RTCA Task Force Three,Free Flight Implementation
TFM Traffic Flow Management
TFM-ART TFM Architecture and Requirements Team
TFT Thin Film Transitor
TG Transmission Gate
TGC Turbulence Gain Control
Threat A target that has satisfied the threat detection logic
and thus requires a traffic or resolution advisor y
(TCAS).
TIS Traffic Information Service
TK Track Angle
TKE Track Angle Error
T/L Top-Level
TLA Thrust Lever Angle
TLM Telemetry Word
TLS Target Level of Safety
TMA Terminal Airspace
TMAC TFM Modeling and Analysis Capability
TMC (1) Thrust Management Computer
(2) RTCA Technical Management Committee
TMCF Thrust Management Computer Function
TMCS Thrust Management Computer System
TMS Thrust Management System
TMU Traffic Management Unit
TO Take Off
TOC (1) Top of Climb
(2) Traffic Operations Center
(3) Transfer of Communication
TOD Top Of Descent
TO/FROM Indicates whether the omnibearing selected is the
Indicator course to or from the VOR ground station.
TOGA Take-Off, Go-Around. Also seen as TO/GA.
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