Your ship is returning to New Orleans from a foreign voyage and carrying a bulk cargo of anhydrous ammonia. You must notify the Captain of the Port, New Orleans, __________.

Correct Answer: Option A — at least 96 hours before entering port

33 CFR 160.212 requires vessels carrying certain dangerous cargoes, including anhydrous ammonia, to submit a Notice of Arrival to the Captain of the Port at least 96 hours before entering a US port. This regulation is vital for port security and managing the risks associated with hazardous material transport.