[Code of Federal Regulations] [Title 33, Volume 3] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR401.4] [Page 663] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER IV--SAINT LAWRENCE SEAWAY DEVELOPMENT CORPORATION, DEPARTMENT OF TRANSPORTATION PART 401_SEAWAY REGULATIONS AND RULES--Table of Contents Subpart A_Regulations Sec. 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]