46 CFR § 28.325
Fire detection and alarm systems
April 15, 2021
(a) Each accommodation space must be equipped with an independent modular smoke detector or a smoke actuated fire detecting unit installed in accordance with 46 CFR part 76.
(b) An independent modular smoke detector must meet UL 217 and be listed as a “Single Station Smoke Detector—Also suitable for use in Recreational Vehicles.”
(c) The regulations in this section have preemptive effect over State or local regulation within the same field.
[CGD 88-079, 56 FR 40393, Aug. 14, 1991, as amended by USCG-2012-0196, 81 FR 48247, July 22, 2016]