Question 366Navigation General

70% to pass

Under the U.S. Aids to Navigation System on the Western Rivers, passing daymarks on the right descending bank are _______________.

A green square-shaped panels with green reflector borders
B green triangular-shaped panels with green reflector borders
C red triangular-shaped panels with red reflector borders
D red diamond-shaped panels with red reflector borders
AI Explanation

The correct answer is A) green square-shaped panels with green reflector borders. On the Western Rivers, the U.S. Aids to Navigation System uses green square-shaped daymarks on the right descending bank to mark the navigable channel. These green daymarks have green reflective borders to improve visibility at night. The other answer choices do not accurately describe the daymarks used on the right descending bank under this system.

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Official Resources
USCG Navigation Rules (COLREGS) 33 CFR Navigation Rules USCG National Maritime Center
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