46 C.F.R. § 115.804 Machinery.
Title 46 - Shipping
At each initial and subsequent inspection for certification of a vessel, the owner or managing operator shall be prepared to conduct tests and have the vessel ready for inspections of machinery, fuel, and piping systems, including the following: (a) Operation of the main propulsion machinery both ahead and astern; (b) Operational test and inspection of engine control mechanisms including primary and alternate means of starting machinery; (c) Inspection of all machinery essential to the routine operation of the vessel including generators and cooling systems; (d) External inspection of fuel tanks and inspection of tank vents, piping, and pipe fittings; (e) Inspection of all fuel systems; (f) Operational test of all valves in fuel lines by operating locally and at remote operating positions; (g) Operational test of all overboard discharge and intake valves and watertight bulkhead pipe penetration valves; (h) Operational test of the means provided for pumping bilges; and (i) Test of machinery alarms including bilge high level alarms.
Title 46: Shipping
PART 115—INSPECTION AND CERTIFICATION
Subpart H—Material Inspections
§ 115.804 Machinery.