FAA Private Pilot Airplane (PAR)Airspace and AirportsMedium

A pilot is approaching a towered airport at night and experiences a total radio failure. The tower flashes a steady green light to the aircraft. What does this signal mean?

  1. ACleared for takeoff.
  2. BCleared to land.
  3. CExercise extreme caution.
  4. DReturn for landing (to be followed by steady green at proper time).
Show answer & explanation

Correct answer: B. Cleared to land.

According to FAA regulations, a steady green light signal from the control tower to an aircraft in flight means 'Cleared to land.'

Why the other options are wrong

  • A. A steady green light signal on the ground means 'Cleared for takeoff.' In flight, it's for landing.
  • C. A flashing red light in flight means 'Airport unsafe—do not land.'
  • D. A flashing green light in flight means 'Return for landing.'

ATC Light Gun Signal (Steady Green - In Flight)

When a control tower uses a steady green light signal directed at an aircraft in flight, it means the pilot is 'Cleared to land.'

  • Origin: ATC tower.
  • Signal: Steady green light.
  • Recipient: Aircraft in flight.
  • Meaning: Cleared to land.

Memory trick: Green means Go, Red means Stop, Flashing means Caution or Return.

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