ATPL: A DME station is located 1000' above MSL.An aircraft flying at FL 370 in ISA conditions which is 15 NM away from the DME station, will have a DME reading of:
Domanda 191, Radio Navigation - ATPL - Airline Transport Pilot license
14 NM
15 NM
16 NM
Beyond 100 NM because insufficient antenna tilt angle is available with the mapping mode