You are the credentialed Master of a 100 GT towing vessel sailing coastwise. What percentage of the deck crew must be able to understand any order spoken by the officers?

Correct Answer: Option C — 75%

Title 46 U.S.C. 8103 mandates that at least 75 percent of the crew in each department, including the deck crew on towing vessels, must be able to understand any order spoken by the licensed officers to ensure effective emergency response and operational safety.