46 C.F.R. § 193.05-1 Fire detecting, manual alarm, and supervised patrol systems.
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(a) Fire detecting, manual alarm, and supervised patrol systems are not required, but if installed, the systems shall meet the applicable requirements of part 76 of Subchapter H (Passenger Vessels) of this chapter.
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PART 193—FIRE PROTECTION EQUIPMENT
Subpart 193.05—Fire Detecting and Extinguishing Equipment, Where Required
§ 193.05-1 Fire detecting, manual alarm, and supervised patrol systems.