46 CFR § 131.945
Display of plans
April 15, 2021
Each vessel must have a permanently exhibited, for the guidance of the master and crew members, general arrangement plans showing, for each deck, the various fire-retardant bulkheads together with particulars of the—
(a) Fire-detection systems;
(b) Manual-alarm systems;
(c) Fire-extinguishing systems;
(d) Fire doors;
(e) Means of ingress to the different compartments; and
(f) Ventilating-systems, including the—
(1) Positions of the dampers;
(2) Site of the remote means of stopping the fans; and
(3) Identification of the fans serving each section.