33 CFR 401.47
§ 401.47 Leaving a lock.
United States · 33 CFR — Navigation and Navigable Waters · Status: effective
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- Citation
- 33 CFR 401.47, § 401.47 Leaving a lock, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/154191
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Full text
(a) Mooring lines shall only be cast off as directed by the officer in charge of a mooring operation.
(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.
(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.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.