46 C.F.R. § 72.10-45
Weather deck communications.
Cite as 46 C.F.R. § 72.10-45 (2026)
(a) Vertical communication shall be provided between the various weather decks by means of permanent inclined ladders. Where ladders are for the exclusive use of the crew for rapid communication, and do not form part of a normal escape route, vertical ladders may be employed.
(b) [Reserved]