33 CFR § 401.4 - Maximum length and weight.
---
identifier: "/us/cfr/t33/s401.4"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 401.4 - Maximum length and weight."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "401.4"
section_name: "Maximum length and weight."
chapter_name: "GREAT LAKES ST. LAWRENCE SEAWAY DEVELOPMENT CORPORATION, DEPARTMENT OF TRANSPORTATION"
part_number: "401"
part_name: "SEAWAY REGULATIONS AND RULES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
cfr_part: "401"
---
# 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]