FAA Ground School Practice Test

What is the correct pilot action when approaching to land with a VASI present?

1. Descend rapidly

2. Climb above glide slope

3. Maintain an altitude as above the glide slope

4. Reduce speed significantly

The correct answer is: Maintain an altitude as above the glide slope

When approaching to land with a VASI (Visual Approach Slope Indicator) present, the appropriate action for a pilot is to maintain an altitude as indicated by the glide slope. The VASI is designed to provide visual guidance to help pilots achieve the proper glide path for landing. If the aircraft is above the glide slope, indicating that the pilot is too high, maintaining an altitude that is above the glide slope directly aligns the aircraft with the recommended approach path. By properly using the VASI indications, the pilot can make necessary adjustments to their descent rate to ensure they are on the correct glide slope as they approach the runway. This practice promotes safety during the landing phase by reducing the risk of being too high or too low, which can lead to dangerous situations such as a hard landing or a go-around. Other actions like descending rapidly, climbing above the glide slope, or significantly reducing speed would not align with the correct technique for a VASI approach and could lead to improper landing conditions or unsafe flying practices. Maintaining an altitude that corresponds with the glide slope ensures a safe and controlled descent into the runway.