Which of the following is one of the functions of the Course-Line-Computer in a basic Area Navigation (RNAV) system?
It calculates cross track information for NDB approaches.
It checks the ground station accuracy using a built-in test programme.
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.
It transfers the information given by a VOR/DME station into tracking and distance indications to any chosen Phantom Station/waypoint.