ATPL: An airway 10 NM wide is to be defined by two VORs each having a resultant bearing accuracy of plus or minus 5.5°.In order to ensure accurate track guidance within the airway limits the maximum distance apart for the transmitter is approximately:
Domanda 248, Radio Navigation - ATPL - Airline Transport Pilot license
50 NM
105 NM
210 NM
Only permitted with certain precautions, to safeguard health of personnel and to protect equipment