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A
Turning into a magnetic heading of 030º, the magnetic bearing from the beacon will be 030º.
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B
Maintaining a magnetic heading of 120º, the magnetic bearing from the beacon is 030º.
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C
Maintaining a magnetic heading of 120º, the magnetic bearing to the beacon is 030º.
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D
Turning into a magnetic heading of 030º, the magnetic bearing to the beacon will be 210º.
Refer to figure.
Magnetic heading: 120º
Relative bearing of the NDB from the aircraft: 270º
Magnetic Bearing from the aircraft to the NDB = Magnetic Heading (MH) + Relative bearing of NDB from the aircraft
Magnetic Bearing from the aircraft to the NDB = 120º + 270º = 030º
“Maintaining a magnetic heading of 120º, the magnetic bearing from the beacon is 030º.” Incorrect.
The Magnetic Bearing of the aircraft from the NDB will be the reciprocal of 030º:
- 030º + 180º = 210º
“Turning into a magnetic heading of 030º, the magnetic bearing to the beacon will be 210º.” Incorrect.
If we turn into a Magnetic Heading of 030°, the aircraft horizontal axis will coincide with the line that connects the aircraft and the NDB. Therefore, the Relative bearing will be 000º/360º.
Magnetic Bearing from the aircraft to the NDB = Magnetic Heading (MH) + Relative bearing of NDB from the aircraft
- Magnetic Bearing from the aircraft to the NDB = 030º + 000º = 030º
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