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Refer to figure.
Given the following bearing and range information obtained from Manchester (MCT) VOR/DME (53°21’N, 002°16’W), what is the aircraft’s position?

Range: 58 NM
Slant range corrections should be ignored

  • A
    54°04’N 000°54’W
  • B
    54°03’N 001°06’W
  • C
    53°57’N 000°56’W
  • D
    53°44’N 001°34’W

1. Draw the Radial or True Bearing

The easiest and fastest way to draw the radial 045° is using a protractor. Place the protractor over the Manchester (MCT) VOR/DME and match the radials on the map with the degrees on the protractor (it is as if the protractor was aligned with Magnetic North). Now draw a line extending from that radial.

Alternatively, over MCT VOR/DME, draw a line parallel to the nearest meridian (True North reference). Using the protractor, measure the angle of 043º (*) between the TN reference. Plot this on the chart.

(*) Remember for True bearing to radial:
EAST is LEAST (we subtract the variation from the true track)
WEST is BEST (we add the variation to the true track)
the opposite applies when converting radial to True Bearing.

  • Radial 045° - 2°W variation = 043° (true bearing)

2. Determine the distance:

Remember that degrees of latitude are 60 NM apart. Using a ruler, measure the distance corresponding to 1º of latitude on the chart (60NM) and use it as a reference to draw a line corresponding to 58 NM.

  • Final Position: 54°03’N 001°06’W

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