46 C.F.R. § 169.730 General alarm bell switch.
Title 46 - Shipping
On vessels of 100 gross tons and over there must be a general alarm bell switch in the pilothouse, clearly and permanently identified by lettering on a metal plate or with a sign in red letters on a suitable background: “GENERAL ALARM”
Title 46: Shipping
PART 169—SAILING SCHOOL VESSELS
Subpart 169.700—Vessel Control, Miscellaneous Systems, and Equipment
Markings
§ 169.730 General alarm bell switch.
