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Ground-proximity warning systems use ___________ altimeters.

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in Aircraft Maintenance by (829k points)
Ground-proximity warning systems use ___________ altimeters.

(a) Radio

(b) Sound

(c) Radar

(d) Pressure

This question was posed to me in a national level competition.

Origin of the question is Fundamentals in division Aircraft Fundamentals of Aircraft Maintenance

1 Answer

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Best answer
Right choice is (c) Radar

Best explanation: The ground-proximity warning systems use radar altimeters. The GPWS is used to avoid the aircraft being unintentionally flown into the ground or an obstacle. It improves flight safety.

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