Marina Board Exam: The rules concerning lights shall be complied with in all weathers from sunset to sunrise. The lights:

The rules concerning lights shall be complied with in all weathers from sunset to sunrise. The lights:


A. shall be displayed in restricted visibility during daylight hours 
B. shall be set at low power when used during daylight hours 
C. need not be displayed when no other vessels are in the area 
D. need not be displayed by unmanned vessels 

Answer: A. shall be displayed in restricted visibility during daylight hours