Domanda 236, Radio Navigation - ATPL - Airline Transport Pilot license

It transfers the information given by a VOR/DME station into tracking and distance indications to any chosen Phantom Station/waypoint
It calculates cross track information for NDB approaches
It automatically selects the two strongest transmitters for the Area-Nav-Mode and continues working by memory in case one of the two necessary station goes off the air
VOR/DME Area Navigation computer is receiving neither radial nor distance data information from VOR/DME stations.