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Module 11. Aeroplane aerodynamics, structures and systems

A radial is referenced

  • on a compass.
  • to a VOR.
  • from a beacon.

Explanation

A radial is a magnetic bearing measured outward from a VOR ground beacon, so it is referenced from the station, with the 360 radials radiating away from it. Describing it as 'to a VOR' reverses the sense, and a radial is defined by the beacon's signal, not by the aircraft compass.

Edigno92 asking:

Why isn't VOR ?

Community Comments (4)

I
Io sono Pdor, figlio di Kmer, della tribù di Isthar Posts: 1 29.06.2014 / 20:46
The answer is C because beacon is more general than VOR
S
sta8ispolemi Posts: 9 22.10.2014 / 22:50
the marker beacon gives you only distance from the runway when the aircraft passesover it.. VOR is the correct answer
B
brindaban Posts: 1 18.07.2015 / 08:32
vor is more correct.
J
JD2016 Posts: 54 16.10.2017 / 16:13
It's a bad question. A radial is the magnetic bearing outbound from a VOR. So the 3rd answer is correct in so far as it is FROM but a "beacon" could be an NDB (non directional beacon) and it is VORs (the 2nd answer) that are relevant.
The 150 VOR radial is QDR 150 - 150 degrees from that VOR - which is QDM 330 - i.e. you would have to fly a heading (assuming no wind) of 330 to fly to that VOR.

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