Injuries resulting in loss of life or incapacitation, aboard vessels, must be reported to the __________.

Correct Answer: Option A — U.S. Coast Guard

46 CFR 4.05-1 mandates that the owner, agent, master, or person in charge must immediately notify the nearest Coast Guard Sector office of any marine casualty involving loss of life or incapacitation. This ensures federal oversight and investigation of significant safety incidents occurring on board U.S. flag vessels.