StacksVerified U.S. regulatory reference

46 CFR §171.118

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)An automatic ventilator must not be fitted in the side of a vessel below the bulkhead deck unless approved by the Commanding Officer, Marine Safety Center.
  2. (b)The design and construction of each gangway, cargo and coaling port, and similar opening in the side of a vessel must be approved by the Commanding Officer, Marine Safety Center.
  3. (c)In no case may the lowest point of any gangway, cargo and coaling port, or similar opening be below the deepest subdivision load line.