46 C.F.R. § 92.10-45 Weather deck communications.
Title 46 - Shipping
(a) Vertical communication shall be provided between the various weather decks by means of permanent inclined ladders.
Title 46: Shipping
PART 92—CONSTRUCTION AND ARRANGEMENT
Subpart 92.10—Means of Escape
§ 92.10-45 Weather deck communications.