Regulations last checked for updates: Feb 11, 2026

Title 33 - Navigation and Navigable Waters last revised: Feb 09, 2026
§ 401.4 - Maximum length and weight.

No vessel of less than 6 m in overall length or 900 kg in weight shall transit through Seaway Locks.

[70 FR 12970, Mar. 17, 2005]
cite as: 33 CFR 401.4