46 U.S.C. § 8102 — Watchmen

The owner, charterer, or managing operator of a vessel^* carrying passengers during the nighttime shall keep a suitable number of watchmen in the vicinity of the cabins or staterooms and on each deck to guard against and give alarm in case of a fire or other danger. An owner, charterer, or managing operator failing to provide watchmen required by this section is liable to the United States Government for a civil penalty of $1,000.

The owner, charterer, managing operator, agent, master, or individual in charge of a fish processing vessel of more than 100 gross tons as measured under section 14502 of this title, or an alternate tonnage measured under section 14302 of this title as prescribed by the Secretary under section 14104 of this title shall keep a suitable number of watchmen trained in firefighting on board when hotwork is being done to guard against and give alarm in case of a fire.