StacksVerified U.S. regulatory reference

46 CFR §127.260

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Each accommodation space must be adequately ventilated in a manner suitable for the purpose of the space.
  2. (b)Each vessel of 100 or more gross tons must be provided with a mechanical ventilation system unless the cognizant OCMI is satisfied that a natural system, such as opening windows, portholes, or doors, will accomplish adequate ventilation in ordinary weather.