CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER F—MARINE ENGINEERING (parts 50 to 64) > PART 58—MAIN AND AUXILIARY MACHINERY AND RELATED SYSTEMS > SUBPART 58.01—General Requirements (§58.01-1 to §58.01-55) > 58.01-35—Main propulsion auxiliary machinery.

58.01-35—Main propulsion auxiliary machinery.

Auxiliary machinery vital to the main propulsion system must be provided in duplicate unless the system served is provided in independent duplicate, or otherwise provides continued or restored propulsion capability in the event of a failure or malfunction of any single auxiliary component.

Code of Federal Regulations

Note: Partial reduction of normal propulsion capability as a result of malfunction or failure is acceptable if the reduced capability is not below that necessary for the vessel to run ahead at 7 knots or half speed, whichever is less, and is adequate to maintain control of the ship.
[CGD 81-030, 53 FR 17837, May 18, 1988]