33 CFR § 146.110
Emergency signals
August 2, 2023
§ 146.110 Emergency signals.
(a) The owner, the owner's agent, or the person in charge shall establish emergency signals to be used for calling the personnel to their emergency stations.
(b) The signal to man emergency stations shall be an intermittent signal on the general alarm system for not less than 10 seconds. The abandon facility signal shall be a continuous signal on the general alarm system.