Light Gun Signals

Definition

Visual signals using a directional light from the control tower to communicate with aircraft when radio communication fails. Steady green means cleared to land, flashing red means airport unsafe, and alternating red-green means general warning.

Related Terms

Squawk 7600

The transponder code indicating communication failure. When a pilot loses radio ...

Control Tower

The ATC facility and frequency providing takeoff, landing, and traffic pattern s...

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