StacksVerified U.S. regulatory reference

46 CFR §11.551

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Each endorsement for service on offshore supply vessels (OSVs) as Chief Engineer-OSV or Engineer-OSV authorizes service on OSVs as defined in 46 U.S.C. 2101 and as interpreted under 46 U.S.C. 14104(b), subject to any restrictions placed on the MMC.