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Pilot/Controller Glossary

c.

Severe

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 Causes large, abrupt changes in altitude and or attitude. It usually
causes large variations in

indicated airspeed. Aircraft may be momentarily out of control.

d.

Extreme

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 The aircraft is violently tossed about and is practically impossible
to control. It may cause

structural damage.

(See CHOP.)
(Refer to AIM.)

TURN ANTICIPATION

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 (maneuver anticipation).

TVOR

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(See TERMINAL-VERY HIGH FREQUENCY OMNIDIRECTIONAL RANGE STATION.)

TWO-WAY RADIO COMMUNICATIONS FAILURE

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(See LOST COMMUNICATIONS.)

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