StacksVerified U.S. regulatory reference

46 CFR §169.730

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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”