46 CFR 169.815 - Emergency signals.
(a) The station bill must set forth the various signals used for calling the ship's company to their stations and for giving instructions while at their stations.
(1) The first alarm signal must be a continuous blast of the vessel's whistle for a period of not less than 10 seconds supplemented by the continuous ringing of the general alarm bells for not less than 10 seconds.
(2) For dismissal from fire alarm stations, the general alarm must be sounded three times supplemented by three short blasts of the vessel's whistle.
(3) The signal for boat stations or boat drill must be a succession of more than six short blasts, followed by one long blast, of the vessel's whistle supplemented by a comparable signal on the general alarm bells.
Title 46 published on 2014-10-01
no entries appear in the Federal Register after this date.