Marina Board Exam: Being the OOW navigating in an area of restricted visibility, a single-letter signal "MIKE" was heard being sounded at an interval of not more than two minutes. You have determined that this signal is coming from a:

Marina Board Exam 

Being the OOW navigating in an area of restricted visibility, a single-letter signal "MIKE" was heard being sounded at an interval of not more than two minutes. You have determined that this signal is coming from a: 

A. Vessel at anchor 
B. power-driven vessel, not making way 
C. NUC vessel 
D. RAM vessel 


Answer:  B.  power-driven vessel, not making way