Marina Exam Reviewer: A single-letter signal "TANGO" was heard at an interval of not more than two minutes in restricted visibility. This means that the vessel is a:

Marina Exam Reviewer 

A single-letter signal "TANGO" was heard at an interval of not more than two minutes in restricted visibility. This means that the vessel is a: 

A. sailing vessel, making way 
B. towing vessel, not making way 
C. power-driven vessel not making way 
D. power-driven vessel, making way 


Answer:    D. power-driven vessel, making way 

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