Civil aviation dictionary
Aviation glossary
Terms, abbreviations and procedures explained without unnecessary jargon, with English names and clear definitions.
- Total entries
- 2480
- Terms
- 435
- Abbreviations
- 2045
T
- Abbreviationtraffic received
TFRCD stands for traffic received in FAA terminology.
- Radio communications and ATCTRAFFIC SITUATION DISPLAY (TSD)
TSD is a computer system that receives radar track data from all 20 CONUS ARTCCs, organizes this data into a mosaic display, and presents it on a computer screen.
- AbbreviationTraffic Situational Display
TSD stands for Traffic Situational Display in FAA terminology.
- OperationsTRAJECTORY OPTIONS SET (TOS)
A TOS is an electronic message, submitted by the operator, that is used by the Collaborative Trajectory Options Program (CTOP) to manage the airspace captured in the traffic management program.
- OperationsTRAJECTORY-BASED OPERATIONS (TBO)
An Air Traffic Management method for strategically planning and managing flights throughout the operation by using Time-Based Management (TBM), information exchange between air and ground systems, and the aircraft's ability to fly trajectories in time and space.
- Abbreviationtranscribed weather broadcast
TWEB stands for transcribed weather broadcast in FAA terminology.
- Abbreviationtransfer of control point
TCP stands for transfer of control point in FAA terminology.
- Abbreviationtransition altitude
TA stands for transition altitude in FAA terminology.
- Abbreviationtransition level
TRLVL stands for transition level in FAA terminology.
- OperationsTRANSITION POINT
A point at an adapted number of miles from the vertex at which an arrival aircraft would normally commence descent from its en route altitude.
- SafetyTRANSITIONAL HAZARD AREA (THA)
Used by ATC. Airspace normally associated with an Aircraft Hazard Area within which the flight of aircraft is subject to restrictions.
- OperationsTRANSMISSOMETER
An apparatus used to determine visibility by measuring the transmission of light through the atmosphere.
- AbbreviationTransponder code instruction
An instruction to select a transponder code or operating function.
- Abbreviationtransponder inoperative
TINOP stands for transponder inoperative in FAA terminology.
- AbbreviationTransport One-Secretary of Transportation
DOT‐1 stands for Transport One-Secretary of Transportation in FAA terminology.
- AbbreviationTransportation Coordinator Automated Command and Control Information System
TCACCIS stands for Transportation Coordinator Automated Command and Control Information System in FAA terminology.
- Abbreviationtravel order
TO stands for travel order in FAA terminology.
- Abbreviationtri-color visual approach slope indicator
TRCV stands for tri-color visual approach slope indicator in FAA terminology.
- Abbreviationtropical (air mass)
T stands for tropical (air mass) in FAA terminology.
- Abbreviationtropical continental (air mass)
TRPCD stands for tropical continental (air mass) in FAA terminology.
- Abbreviationtrue (bearing)
T stands for true (bearing) in FAA terminology.
- Flying skillsTrue airspeed
The aircraft's actual speed relative to the surrounding air.
- EnginesTurbofan engine
A gas-turbine engine in which a fan produces a substantial part of the thrust.
- EnginesTurboprop engine
A gas-turbine engine delivering most of its useful power to a propeller.