Coast Guard Regulations (46 CFR) permit repairs and adjustments to boiler safety valves while installed on a main propulsion boiler and may be made by ________.

Correct Answer: Option A — the chief engineer in an emergency

Under 46 CFR, routine adjustments to safety valves must be handled by certified repair facilities; however, emergency adjustments and repairs while underway on main propulsion boilers are permitted to be executed directly by the Chief Engineer to restore safe vessel operation.