Under which of the following circumstances does a VOR/DME Area Navigation system switch to Dead Reckoning mode?

Question

Question ATPL - Airline Transport Pilot license - Radio Navigation

QuizVDS · Accepted Answer

Beam width

QuizVDS · Answer

VOR/DME Area Navigation computer is not receiving information from the aircraft compass system.

QuizVDS · Answer

VOR/DME Area Navigation computer is not receiving information from the Air Data Computer.

QuizVDS · Answer

When DR is selected by the pilot.

Id 229 - ATPL - Under which of the following circumstances does a VOR/DME Area Navigation system switch to Dead Reckoning mode?