46 CFR 169.642 - Vital systems.
For the purpose of this part, the following are considered vital systems -
(a) A marine engineering system identified by the OCMI as being crucial to the survival of the vessel or to the protection of the personnel on board; and
(b) On vessels greater than 120 feet in length -
(1) Bilge system;
(2) Ballast system;
(3) Fire protection system;
(4) Fuel oil system; and
(5) Steering and steering control system.