An aircraft at position 60°00'N 005°12'W flies 165 km due West. The aircraft's new position is:
As Flying is West direction so change will be only in longitude:
- Convert given distance from KM to NM
165 KM = 165 / 1.852 = 89.1 NM
- We need to know how many nautical miles represent one degree of longitude
1˚ of longitude = Cos latitude x 60 = Cos 60˚ x 60 = 0.5 x 60 = 30 NM
- Divide the distance (89 NM) by 30 NM to know the difference in longitude
89.1 / 30 = 2˚58’ change of longitude
As we are already in West side and heading to West so we will increase:
New Longitude: 005˚12’ + 002˚58’ = 008˚10’W
Aircraft position: 60˚00’N, 008˚10’W
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