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Electronic Code of Federal Regulations

e-CFR data is current as of May 28, 2020

Title 14Chapter ISubchapter FPart 91Subpart B → §91.125


Title 14: Aeronautics and Space
PART 91—GENERAL OPERATING AND FLIGHT RULES
Subpart B—Flight Rules


§91.125   ATC light signals.

ATC light signals have the meaning shown in the following table:

Color and type of signal Meaning with respect to aircraft on the surface Meaning with respect to aircraft in flight
Steady greenCleared for takeoffCleared to land.
Flashing greenCleared to taxiReturn for landing (to be followed by steady green at proper time).
Steady redStopGive way to other aircraft and continue circling.
Flashing redTaxi clear of runway in useAirport unsafe—do not land.
Flashing whiteReturn to starting point on airportNot applicable.
Alternating red and greenExercise extreme cautionExercise extreme caution.

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