A very large crude carrier is scheduled to depart of the Port of Long Beach, CA at 0800 on June 28th on a voyage to exceed 48 hours. What is the EARLIEST time that the communication means between the wheelhouse and the engine control room could be tested prior to getting underway and be in compliance with the tank vessel regulations of 46 CFR?

Correct Answer: Option C — 2000 June 27th

Under 46 CFR 35.05-1, tank vessels must test communication systems between the wheelhouse and engine room within 12 hours of departure for voyages exceeding 48 hours. With a departure at 0800 on June 28th, the earliest compliant testing time is 2000 on June 27th, ensuring operational readiness for maneuvering.