Marina Board Exam: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter S (Sierra) to signify that ________________ .

Marina Board Exam

An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter S (Sierra) to signify that ________________ . 

A. My vessel is stopped and making no way through the water. 
B. I am operating astern propulsion. 
C. I am altering my course to starboard. 
D. I am altering my course to port.


Answer:      B. I am operating astern propulsion. 

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