StacksVerified U.S. regulatory reference

33 CFR §142.87

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Openings in decks accessible to personnel must be covered, guarded, or otherwise made inaccessible when not in use. The manner of blockage shall prevent a person's foot or body from inadvertently passing through the opening.