AIRCRAFT ABBREVIATIONS

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t Equivalent Runway Thickness
t Rivet Spacing
t Tonne
T Thickness
T Time
T Trim
T TRUE
T Turn
T-P Turn Point
T-R Transmitter-Receiver
T/C Top of Climb
T/C Type Certificate
T/D Top of Descent
T/F Track of a Fixed Waypoint
T/R Thrust Reverser
TA Traffic Advisory
TA Twin Aisle
TAB Tabulation and Interpolation Program
TAB Test and Bite Panel
TACAN Ultra-high Frequency Tactical Air Navigation Aid
TACH Tachometer
TACT Tactical
TAP Transient Acoustic Propagation
TAR Terminal Area Surveillance Radar
TAS True Airspeed
TAT Total Air Temperature
TB Terminal Block
TBC To Be Confirmed
TBD To be determined
TBO Time Between Overhauls
TBSV Time Between Scheduled Visits
TBU Time Base Unit
TBV Transient Bleed Valve
TC HP Turbine Case Pressure
TC Takeoff Charts
TC Thermocouple
TCAS Traffic Alert and Collision Avoidance System
TCC Thrust Control Computer
TCC Turbine Case Cooling
TCC Turbine Clearance Control
TCCS Thrust Control Computer System
TCFN Twos Complement Fractional Notation
TCM Technical Coordination Meeting
TCP Takeoff Charts Computation Program
TCU Throttle Control Unit
TD Technical Dossier
TD Time Delay
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 Technical Description Unit
TDU Time Display Unit
TDY Temporary Duty
TDZL Touchdown Zone Lights
TE HP Stage Air Temperature
TE Trailing Edge
TEC Turbine Exhaust Case
TED Tool and Equipment Drawing
TEDB Tool and Equipment Data Bank
TEI Tool and Equipment Index
TEL Telephone
TELECOM Telecommunications
TEM Illustrated Tool and Equipment Manual
TEMP Temperature
TEMP Test and Evaluation Master Plan
TEO Engine Oil Temperature
TEST SIG Test Signal
TFR Trouble and Failure Report
TFTS Terresterial Flight Telephone System
TFTS Terrestrial Flight Telephone System
TFU Technical Follow-up
TGB Transfer Gearbox
TGL Touch-and-Go Landing
TGT Target
THD Thread
THERAP Therapeutic
THMS Thermistor
THR Thrust
THRM Thermal
THRMST Thermostat
THROT Throttle
THROT PUSH Throttle Pusher
THS Trimmable Horizontal Stabilizer
TI Technical Instruction
TI Track to an Interrupt
TIA Type Inspection Authorization
TIC Turbine Impingement Cooling
TICC Technical Information and Communication Committee
TID Technical Impact Difference
TID Technical Information Document
TIR Technical Incident Report
TIR Type Inspection Report
TIT Turbine Inlet Temperature
TK Ground Track Angle
TK Tank
TKE Track Angle Error
TKE Track Error
TL Transmittal Letter
TLA Throttle Lever Angle
TLB Technical Log Book
TLC Takeoff and Landing Chart Computation Program
TLMC Aircraft Time Limits/Maintenance Checks
TLS Transcowl Locking System
TLU Travel Limitation Unit
TM Terminal Module
TM Torque Motor
TM Transportability Manual
TMA Terminal Control Area
TMG Timing
TMR Timer
TN Technical Note
TO Takeoff
TO/APPR Takeoff/Approach
TOC Table of Contents
TOD Takeoff Distance
TOGA Takeoff/Go Around
TOGW Takeoff Gross Weight
TOIL Toilet
TOL Tolerance
TOR Takeoff Run
TOT Total
TOW Takeoff Weight
TOW Towing
TP Test Point
TP Top Plug
TPG Technical Publications Guide
TPIB Technical Publications Illustration Bank
TPIC Tire Pressure Indicating Computer
TPIS Tire Pressure Indicating System
TPMM Technical Publication Management Meeting
TPOP Technical Publications Output Planning
TPPP Technical Publications Production Planning
TPRD Technical Publications Reference Document
TPWD Technical Publication Work Sharing Document
TR Regulated Temperature (Downstream of precooler)
TR Temporary Revision
TR Thrust Reverser
TR Transformer Rectifier
TR Transistor
TR Truss
TR Turn Radius
TRA Throttle Resolver Angle
TRACON Terminal Radar Control
TRANS Transition
TRANSF Transfer
TRC Thrust Rating Computer
TRDV Thrust Reverser Directional Valve
TRF Turbine Rear Frame
TRIG Trigger
TRK Track
TRK Track (angle)
TRLY Trolley
TROPO Tropopause
TRP Thrust Rate Panel - Thrust Rating Panel
TRPV Thrust Reverser Pressurizing Valve
TRQE Torque
TRQR Torquer
TRS Technical Repercussion Sheet
TRT Turn Round Time
TRU Transformer Rectifier Unit
TRV Travel
TS Trim Sheet
TSD Trouble Shooting Data
TSDB Trouble Shooting Data Base
TSFC Thrust Specific Fuel Consumption
TSH Trouble Shooting Handbook
TSI Time Since Installation
TSLSV Time Since Last Shop Visit
TSM Trouble Shooting Manual
TSO Technical Service Order (FAA)
TSO Technical Standard Order
TSO Time Since Overhaul
TST Test
TT Switching Temperature of HP Valve
TT Total Time
TT Trim Tank
TTG Time to Go
TTL Transistor Transistor Logic
TTR Technical Trouble Report
TTS Trim Tank System
TURB Turbine
TURB "Turbulence, Turbulent"
TVBC Turbine Vane and Blade Cooling
TVOR Short Range VOR
TVOR Very High Frequency Terminal Omnirange Station
TW Twisted
TWR Aerodrome Control Tower
TWY Taxiway
TX Transmission (TCAS to Transponder)
TYP Typical
TYPPLE Typical Phone Power Level
T2C HP Compressor Inlet Temperature
T54 Low Pressure Turbine Inlet Temperature
T.O TakeOff
T2CAS Traffic and Terrain Collision Avoidance System
TAC Taxiing Aid Camera
TACS Taxiing Aid Camera System
TADD Trim Air Drive Device
TAWS Terrain Awareness and Warning System
TCA Throttle Control Assy
TCIU Telephone Communication Interface Unit
TCS Temperature Control System
TDB Terrain DataBase
TEFO Total Engine Flame Out
TER Trailing Edge Rib
TLCS Trolley Lift & Conveyance System
TLV Tertiary Lock Valve
TMLB Technical and Maintenance LogBook
TOPA TakeOff Performance Application
TPR Turbofan Power Ratio
TPS Temporary Protection System
TPU Terminal Processor Unit
TRGT Target
TRPU Thrust Reverser Power Unit
TSF Trouble Shooting Function
TSP Tank Signalling Processor
TSPA Tank Signal Processor A
TSPB Tank Signal Processor B
TU Tapping Unit
TV Television
TWLU Terminal Wireless LAN Unit
T True
TC Theoretical Contour
TCM Thrust Control Malfunction
TLS Trolley Lift System
TRP Thrust Rating Panel
TX Transmit
T/TISS Traffic and Terrain Integrated Surveillance System
TCAP TCAS Resolution Advisory Prevention
TCG Time Corrected Gain
TGCU Terminal GPRS / UMTS Client Unit
TOS TakeOff Securing
TRAS Thrust Reverser Actuation System
TTOL Taxi, Takeoff and Landing
TUCD Thermostat Unit Control Device
TDC Top Dead Center
THD Total Harmonic Distortion

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