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PSTAR Practice Test · Question

Scenario 76: A pilot receives a flashing red light signal from the control tower while taxiing. What does this mean?

A flashing red light signal from the control tower to an aircraft on the ground means 'Stop, aircraft is unsafe' or 'Clear the taxiway/runway immediately'. This

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Question: Scenario 76: A pilot receives a flashing red light signal from the control tower while taxiing. What does this mean?

Answer options:

  • Cleared to proceed onto the runway.
  • Cleared to taxi. ✅ Stop, aircraft is unsafe.
  • Taxi clear of the runway in use.

Correct answer: Stop, aircraft is unsafe.

Explanation: A flashing red light signal from the control tower to an aircraft on the ground means 'Stop, aircraft is unsafe' or 'Clear the taxiway/runway immediately'. This signifies an urgent safety issue. The correct answer is "Stop, aircraft is unsafe.". This capacity-fill scenario 76 reinforces the same competency for the pstar bank and follows the certified explanation standard.

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