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Airport operationsQuestion 191 of 934

When should a pilot begin descent using a VASI or PAPI?

  1. As soon as the lights come into view
  2. After the pilot sees the airport beacon
  3. After the pilot passes the final approach fix
  4. Once aligned visually with the runway
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Correct answer: Once aligned visually with the runway

The visual glide path guides in the vertical plane. Lateral guidance comes from the runway or runway lights.

Source: Aeronautical Information Manual (FAA, Basic with Change 3, 9 July 2026), AIM 2-1-2 Visual Glideslope Indicators, page 121

Practice airport operations

Questions last reviewed: 18 October 2026