T  Thickness 
T-P  Turn Point 
T-R  Transmitter-Receiver 
T2C  HP Compressor Inlet Temperature 
T2CAS  Traffic and Terrain Collision Avoidance System 
T54  Low Pressure Turbine Inlet Temperature 
TA  Traffic Advisory 
TA  Twin Aisle 
TAB  Tabulation and Interpolation Program 
TAB  Test and Bite Panel 
TAC  Taxiing Aid Camera 
TAC  Technical Acceptance Completion 
TACAN  Ultra-high Frequency Tactical Air Navigation Aid 
TACH  Tachometer 
TACS  Taxiing Aid Camera System 
TACT  Tactical 
TADD  Trim Air Drive Device 
TAP  Transient Acoustic Propagation 
TAR  Terminal Area Surveillance Radar 
TAS  True Airspeed 
TAT  Total Air Temperature 
TAWS  Terrain Awareness and Warning System 
TB  Terminal Block 
TBC  To Be Confirmed 
TBO  Time Between Overhauls 
TBSV  Time Between Scheduled Visits 
TBU  Time Base Unit 
TBV  Transient Bleed Valve 
TC  Thermocouple 
TC  Takeoff Charts 
TC  Theoretical Contour 
TC  HP Turbine Case Pressure 
TCA  Throttle Control Assy 
TCAS  Traffic Alert and Collision Avoidance System 
TCC  Turbine Clearance Control 
TCC  Thrust Control Computer 
TCC  Turbine Case Cooling 
TCCS  Thrust Control Computer System 
TCFN  Two's Complement Fractional Notation 
TCIU  Telephone Communication Interface Unit 
TCM  Technical Coordination Meeting 
TCM  Thrust Control Malfunction 
TCP  Takeoff Charts Computation Program 
TCP  Transmission Control Protocol 
TCQ  Time, Cost and Quality 
TCS  Temperature Control System 
TCU  Throttle Control Unit 
TD  Time Delay 
TD  Technical Dossier 
TD  Technical Disposition 
TDC  Time Delay Closing 
TDCR  Type Design Change Request 
TDD  Technical Design Directive 

TDO  Time Delay Opening 
TDP  Touchdown Point 
TDS  Technical Data Sheet 
TDSC  Technical Data Steering Committee 
TDU  Time Display Unit 
TDU  Technical Description Unit 
TDY  Temporary Duty