USCG USCG GENNAV
Set 7 • Question #193 of 246
Launch Interactive Practice Room A ship is in longitude 54°00'W on a true course of 270°. The ship's clocks are on the proper time zone. At what longitude should the clocks be changed to maintain the proper zone time?
A
45°00'W
B
52°30'W
C
60°00'W
D
67°30'W
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG General Navigation principles (Bowditch, Light Lists, and Coast Pilots), regarding 'A ship is in longitude 54°00'W on a true course of 270°. The ship's clocks are on the proper time zone. At what longitude should the clocks be changed to maintain the proper zone time', the verified fact is: '67°30'W'.
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