An aircraft at position 60°00'N 005°22'W flies 165 km due East. What is the new position?
To get the new position:
1- Convert distance from km to NM:
Distance in NM = 165/1.852 = 89NM
2- Calculate longitude difference between two locations.
Distance between two longitudes = Cos Latitude x difference in longitude x 60
Difference in longitude = 89 / (0.5 x 60) = 2˚58’
As we are in western part of the world and heading east so we are losing longitude:
New position = 005˚22’ — 002˚58’ = 002˚24’W
Correct Answer: 60˚00’N, 002˚24’W
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