{"data":{"id":"us/33-cfr-401.47","jurisdiction":"us","citation":"33 CFR 401.47","heading":"Leaving a lock.","body":"(a) Mooring lines shall only be cast off as directed by the officer in charge of a mooring operation.\n(b) No vessel shall proceed out of a lock until the exit gates, ship arresters and the bridge, if any, are in a fully open position and the lock operator gives the “all clear” instruction.\n(c) When “Hands Free Mooring system (HFM) is used, no vessel shall use its engine(s) until the lock operator provides the “all clear” instruction.","path":["Title 33—Navigation and Navigable Waters","CHAPTER IV—GREAT LAKES ST. LAWRENCE SEAWAY DEVELOPMENT CORPORATION, DEPARTMENT OF TRANSPORTATION","PART 401—SEAWAY REGULATIONS AND RULES","Subpart A—Regulations"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-33.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:35Z","sha256":"64c730d5174808251c8c6c7c1f692f5e3627c72570ae3a6d0e8c3af44c3afba9","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-401.46","next":"us/33-cfr-401.48"},"notice":"GroundRules: Original legal text. Not legal advice."}