TGT Target:.A.weather.radar.annunciator.that.indicates.
weather.ahead.
THDG True.Heading
THLD Threshold
THR Thrust
THRHOLD Throttle.Hold
Threat A target that has satisfied the threat detection
logic and thus requires a traffic or resolution
advisory.(TCAS).
THSA Trimmable.Horizontal.Stabilizer.Actuator
TIA (.1.).Telecommunications.Industry.Association..
(.2.).Type.Inspection.Authorization.
TIAS True.Indicated.Airspeed
TIR Type.Inspection.Report
TIS Traffic Information Service
TIS-B Traffic Information System-Broadcast
TK Track.Angle
TKE Track.Angle.Error
T/L Top-Level
TL Terminal.Location.(ACARS/AFEPS)
TLA Thrust.Lever.Angle
TLC Target.Language.Compiler
TLM Telemetry.Word
TLS Target.Level.of.Safety TM Timer-Media.Access.Control TMA Traffic Management Advisor TMC Thrust.Management.Computer TMCF Thrust.Management.Computer.Function TMCS Thrust.Management.Computer.System TMF Thrust.Management.Function TMS (.1.).Thrust.Management.System.
( 2 ) Traffic Management System TMU Traffic Management Unit TN (.1.).True.North..
(.2.).Twisted.Nematic
TO Take Off
TOC (.1.).Top.of.Climb..
(.2.).Transfer.of.Communications
TOD Top.of.Descent
TO EPR Takeoff.Engine.Pressure.Ratio
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.
TO N Take Off Engine Fan Speed
TOR Terms.of.Reference
TOT Total
Touchdown The.point.at.which.the.predetermined.glide.path.
intercepts.the.runway.
TOW Time Of Week
TPMU Tire.Pressure.Monitor.Unit
TP Test.Point
TP4 Transport.Protocol.Class.4
TPDU Transport.Protocol.Data.Unit
TPL Terminal.Permission.List.(ACA.RS/AFE.PS)
TPM Technical.Performance.Management
TPR Transponder
TQA Throttle.Quadrant.Assembly
TR Temporary.Revision..A.document,.printed.on. yellow.paper.that.temporarily.amends.a.page.or. pages.of.a.component.maintenance.manual.
T/R (.1.).Thrust.Reverser.. (.2.).Transceiver.(see.RT). (.3.).Transmitter-Receiver
TRA (.1.).Temporary.Reserved.Airspace. (.2.).Thrust.Reduction.Altitude
TRAC Terminal.Radar.Approach.Control
Track (.1.).The.actual.path,.over.the.ground,.traveled.by. an.aircraft.(navigation)... (.2.).In.this.mode.the.DME.transmits.a.reduced. pulse pair rate after acquiring lock-on (DME). . (.3.).Estimated.position.and.velocity.of.a.single. aircraft.based.on.correlated.surveillance.data.
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