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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > Radio Navigation > Two NDBs are 20 NM and 50 NM inland. In a simplified comparison, their respective ranges from an aircraft over water are 50 NM and 80 NM. If both received bearings have the same small non-zero angular error, the linear displacement of the plotted position line at the aircraft is:

6 - ATPL Question Bank in English - Two NDBs are 20 NM and 50 NM inland. In a simplified comparison, their respective ranges from an aircraft over water are 50 NM and 80 NM. If both received bearings have the same small non-zero angular error, the linear displacement of the plotted position line at the aircraft is:

Question 6 - Radio Navigation - ATPL - Airline Transport Pilot Licence

Greater from the beacon that is 50 NM inland

The same from both beacons when the aircraft is on a relative bearing of 090° and 270°

Greater from the beacon that is 20 NM inland

The same from both beacons when the aircraft is on a relative bearing of 180° and 360°

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