Seamanship Quiz

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Test your knowledge with these Coast Guard license exam prep questions from the National Captain’s Institute at

1. INTERNATIONAL RULES: You are underway in restricted visibility and hear three distinct bell strokes followed by five seconds of rapid bell ringing followed by three distinct bell strokes. This indicates a vessel:

A. servicing an aid to navigation

B. engaged in underwater construction

C. more than 100 meters, at anchor

D. less than 100 meters, aground

2. INTERNATIONAL RULES: A fog signal of one prolonged and three short blasts on the whistle indicates a:

A. vessel fishing or trawling

B. sailing vessel with wind abaft the beam

C. power-driven vessel backing from the dock

D. vessel being towed

3. INLAND RULES: “Not under command” means:

A. Vessel may deviate from the rules under the rule of special circumstance.

B. Vessel is unable to maneuver as required by the rules due to an exceptional circumstance.

C. Vessel is unable to maneuver as required by the rules due to the nature of her work.

D. Captain is not on board or in control.

4. INLAND RULES: A vessel being towed with an all-round white light at each end is:

A. a composite unit

B. a vessel being pushed ahead

C. an inconspicuous, partly submerged vessel or object

D. over 200 meters in length, improperly lighted

5. Deviation of a magnetic compass changes with changes in the vessel’s:

A. geographic position

B. latitude

C. longitude

D. heading

ANSWERS: 1. D, Rule 35 2. D, Rule 35 3. B, Rule 3 4. C, Rule 24(g) 5. D

 This article originally appeared in the December 2017 issue.