Pilot/Controller Glossary

4/20/23

PCG T

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2

TARGET [ICAO]

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 In radar:

a.

Generally, any discrete object which reflects or retransmits energy back to the radar equipment.

b.

Specifically, an object of radar search or surveillance.

TARGET RESOLUTION

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 A process to ensure that correlated radar targets do not touch. Target resolution must

be applied as follows:

a.

Between the edges of two primary targets or the edges of the ASR-9/11 primary target symbol.

b.

Between the end of the beacon control slash and the edge of a primary target.

c.

Between the ends of two beacon control slashes.

Note 1: Mandatory traffic advisories and safety alerts must be issued when this procedure is used.

Note 2: This procedure must not be used when utilizing mosaic radar systems or multi

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sensor mode.

TARGET SYMBOL

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(See TARGET.)
(See ICAO term TARGET.)

TARMAC DELAY

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 The holding of an aircraft on the ground either before departure or after landing with no

opportunity for its passengers to deplane.

TARMAC DELAY AIRCRAFT

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 An aircraft whose pilot

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in

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command has requested to taxi to the ramp, gate,

or alternate deplaning area to comply with the Three

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hour Tarmac Rule.

TARMAC DELAY REQUEST

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 A request by the pilot

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in

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command to taxi to the ramp, gate, or alternate

deplaning location to comply with the Three

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hour Tarmac Rule.

TAS

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(See TERMINAL AUTOMATION SYSTEMS.)

TAWS

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(See TERRAIN AWARENESS WARNING SYSTEM.)

TAXI

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 The movement of an airplane under its own power on the surface of an airport (14 CFR

Section 135.100 [Note]). Also, it describes the surface movement of helicopters equipped with wheels.

(See AIR TAXI.)
(See HOVER TAXI.)
(Refer to 14 CFR Section 135.100.)
(Refer to AIM.)

TAXI PATTERNS

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 Patterns established to illustrate the desired flow of ground traffic for the different runways

or airport areas available for use.

TBM

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(See TIME

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BASED MANAGEMENT.)

TBO

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(See TRAJECTORY

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BASED OPERATIONS.)

TCAS

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(See TRAFFIC ALERT AND COLLISION AVOIDANCE SYSTEM.)

TCH

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(See THRESHOLD CROSSING HEIGHT.)

TDLS

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(See 

TERMINAL DATA LINK SYSTEM

.)

TDZE

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(See TOUCHDOWN ZONE ELEVATION.)