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Refer to chart E(LO)2 from Jeppesen GSPRM 2017.
An aircraft is en-route from position A (N55°43', W004°17') to position B (N54°53', W002°53'). Using this information, determine the initial track from position A to position B and also the distance from position A to the point of crossing latitude N55°00'.
  • A
    Track: 139°(T); Distance: 68 NM
  • B
    Track: 136°(T); Distance: 58 NM
  • C
    Track: 139°(M); Distance: 68 NM
  • D
    Track: 139°(M); Distance: 48 NM

As attached in the explanation:

First locate position A and B

Measure the angle from A to B :136˚ True (we don’t need to apply variation as its not asking for variation)

Measure the distance between position A till interception of 55˚N

Measure the distance between two latitudes.

Divide the distance between position A till it intercept 55˚ / distance between 2 latitudes

Distance 58 NM

Correct Answer: Track: 136˚(T); Distance 58 NM

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