Vital systems.

(a) Vital systems are those systems that are vital to a vessel's survivability and safety. For the purpose of this subchapter, the following are vital systems: (1) Systems for fill, transfer, and service of fuel oil. (2) Fire-main systems. (3) Fixed gaseous fire-extinguishing systems. (4) Bilge systems. (5) Ballast systems. (6) Steering systems and steering-control systems. (7) Propulsion systems and their necessary auxiliaries and control systems. (8) Systems for transfer and control of cargo, for integral tanks or fixed independent tanks, in compliance with § 125.110 of this subchapter. (9) Ship's service and emergency electrical-generation systems and their auxiliaries vital to the vessel's survivability and safety. (10) Any other marine-engineering system identified by the cognizant OCMI as crucial to the survival of the vessel or to the protection of the personnel aboard. (b) For the purpose of this subchapter, a system not identified by paragraph (a) of this section is a non-vital system.