StacksVerified U.S. regulatory reference

46 CFR §28.250

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
On a vessel 36 feet (11.8 meters) or more in length, a visual and audible alarm must be provided at the operating station to indicate high water level in each of the following normally unmanned spaces:
  1. (a)A space with a through-hull fitting below the deepest load waterline, such as the lazarette;
  2. (b)A machinery space bilge, bilge well, shaft alley bilge, or other space subject to flooding from sea water piping within the space; and
  3. (c)A space with a non-watertight closure, such as a space with a non-watertight hatch on the main deck.