Airport operationsQuestion 215 of 934

A pilot has a radio failure in the daytime. How does the pilot acknowledge a light signal from the tower while taxiing?

  1. By blinking the landing light twice
  2. By rocking the wings
  3. By moving the ailerons or rudder
  4. By turning on the beacon
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Correct answer: By moving the ailerons or rudder

In daylight, acknowledge light signals by moving the ailerons or rudder. At night, blink the landing or navigation lights.

Source: Aeronautical Information Manual (FAA, Basic with Change 3, 9 July 2026), AIM 4-3-13 Traffic Control Light Signals, page 257

Practice airport operations

Questions last reviewed: 18 October 2026