Question 226Navigation General

70% to pass

In addition to monitoring channel 16, all Corps of Engineer locks may use as working channels _______________.

A 06, 12 and 22A
B 12, 13 and 14
C 14, 24 and 28
D 01A, 05A and 07A
AI Explanation

The correct answer is B) 12, 13 and 14. Corps of Engineer locks are required to monitor channel 16 as the primary hailing and distress frequency. In addition to channel 16, they may use channels 12, 13 and 14 as working channels for communications related to lock operations. The other answer choices are incorrect because: A) 06, 12 and 22A are not the designated working channels for Corps of Engineer locks. C) 14, 24 and 28 are not the designated working channels for Corps of Engineer locks. D) 01A, 05A and 07A are not the designated working channels for Corps of Engineer locks.

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