USCG USCG GENNAV
Set 3 • Question #81 of 246
Launch Interactive Practice Room Mean lower low water is the reference plane used for __________.
A
all vertical measurements
B
heights above water for lights, mountains, etc.
C
soundings on the U.S. east and west coasts
✓ Correct Answer
D
water depths on the U.S. east coast only
USCG NMC Regulatory Explanation
In USCG General Navigation principles (Bowditch, Light Lists, and Coast Pilots), regarding 'Mean lower low water is the reference plane used for', the verified fact is: 'soundings on the U.S. east and west coasts'.
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