The data supplied by a radio altimeter:

Question

Question ATPL - Airline Transport Pilot license - Aircraft General Knowledge - Instrumentation

QuizVDS · Accepted Answer

Indicates the distance between the ground and the aircraft.

QuizVDS · Answer

Is used only by the radio altimeter indicator.

QuizVDS · Answer

Concerns only the decision height.

QuizVDS · Answer

Is used by the automatic pilot in the altitude hold mode.

Id 188 - ATPL - The data supplied by a radio altimeter: