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What is the meaning of a flashing red light signal at a controlled aerodrome directed to an aircraft in flight?

  • A

    Cleared to land.

  • B

    Airport unsafe, do not land.

  • C

    Give way to other aircraft and continue circling.

  • D

    Return for landing, followed by steady green at the appropriate time.

Refer to figure.
Just like driving an automobile, Pilots also must learn and obey Traffic Light Signals. You might wonder why a Pilot would need to use Light Signals when they have a Radio for Communication. In fact, as a pilot you will seldom use light signals. However, radios sometimes stop working. In the event of a communications failure, you will need to fall back on Aviation Light Signals for communication.

Air Traffic Control (ATC) will use a powerful Light Gun to Signal the Pilot in the event of Radio Communications failure or other emergency when the pilot does not have a working Radio in the aircraft. When a pilot is flying with No Radio, they must watch for the Aviation Light Gun Signals from the Control Tower.

For flashing red light signal towards an aircraft in flight it means the airport is unsafe and do not land.


NOTE:
The easiest why to remember the light signal procedures is to refer to the attached figure and memorize the figure by drawing it yourself.

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