mediumearth-coordinates
The length of one degree of longitude at 60°N is approximately:
A
60 NM
B
15 NM
C
45 NM
D
30 NM
D
30 NM✓ Correct Answer
Explanation
Departure = 60 × cos(latitude) = 60 × cos(60°) = 60 × 0.5 = 30 NM per degree of longitude at 60°N.
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