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Deck: Rules of the Road

Question 1,030 of 1,025

INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown in illustration D042RR below. Vessel "A" sounds one short blast of the whistle. What does this signal mean?

USCG illustration D042RR for Deck Rules of the Road question 1030
Illustration D042RR
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Comments from mariners who studied this question.

br brad_osley · Feb 10, 2015
Shouldn't the answer be B ?
Sh Shawn · Feb 12, 2015
International ONLY
Rule 34 - Maneuvering and Warning Signals
(a) When vessels are in sight of one another, a power-driven vessel underway, when maneuvering as authorized or required by these Rules, shall indicate that maneuver by the following signals on her whistle:

(i) one short blast to mean "I am altering my course to starboard";
(ii) two short blasts to mean "I am altering my course to port";
(iii) three short blasts to mean "I am operating astern propulsion
rd rdanilons · Nov 8, 2017
If A altars its course starboard, wouldn't that mean that they would be leaving vessel B on their Port?
br brentbilger · Nov 8, 2018
International and Inland are different. International is shown below. Inland is
(i) shall indicate that maneuver by the following signals on her whistle: one short blast to mean “I intend to leave you on my port side”; two short blasts to mean “I intend to leave you on my starboard side”; and three short blasts to mean “I am operating astern propulsion”.
ha hayston123 · Apr 24, 2019
(i) one short blast to mean "I am altering my course to starboard";
(ii) two short blasts to mean "I am altering my course to port";
(iii) three short blasts to mean "I am operating astern propulsion