The Decision Height (DH) warning light comes on when an aircraft:

Question

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

QuizVDS · Accepted Answer

Descends below a pre-set radio altitude.

QuizVDS · Answer

Passes over the outer marker.

QuizVDS · Answer

Descends below a pre-set barometric altitude.

QuizVDS · Answer

Passes over the ILS inner marker.

Id 240 - ATPL - The Decision Height (DH) warning light comes on when an aircraft: