Marina Exam Reviewer: Under the IALA Buoyage Systems, safe water marks may show a ________.

Marina Exam Reviewer

Under the IALA Buoyage Systems, safe water marks may show a ________. 

A. composite group-flashing, F1 (2+1), red light
B. composite group-flashing, F1 (2+1), green light 
C. quick-flashing, Q (9)15s, white light 
D. white Morse (A) light 

Answer:  D. white Morse (A) light