For the purpose of this part, the following are considered vital systems—

1. (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

2. (b) On vessels greater than 120 feet in length—

   1. (1) Bilge system;
   2. (2) Ballast system;
   3. (3) Fire protection system;
   4. (4) Fuel oil system; and
   5. (5) Steering and steering control system.