Which instrument provides vertical guidance on a precision approach?

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Study for the Pilot's Handbook of Aeronautical Knowledge Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which instrument provides vertical guidance on a precision approach?

Explanation:
On precision approaches, vertical guidance comes from the glideslope. The glideslope is part of the ILS that provides information about your position above or below the optimal descent path, guiding you to descend along the correct glide angle. The localizer handles lateral guidance to keep you on the runway centerline, while marker beacons mark specific distances along the approach but do not provide vertical guidance. The horizon indicator, or attitude indicator, shows actual aircraft attitude and is not used to steer the flight path on approach.

On precision approaches, vertical guidance comes from the glideslope. The glideslope is part of the ILS that provides information about your position above or below the optimal descent path, guiding you to descend along the correct glide angle. The localizer handles lateral guidance to keep you on the runway centerline, while marker beacons mark specific distances along the approach but do not provide vertical guidance. The horizon indicator, or attitude indicator, shows actual aircraft attitude and is not used to steer the flight path on approach.

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