[Code of Federal Regulations] [Title 33, Volume 3] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR401.38] [Page 671] 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. 401.38 Limit of approach to a lock. A vessel approaching a lock or the guard gate cut shall comply with directions indicated by the signal light system associated with the lock or the guard gate cut, and in no case shall its stem pass the designated limit of approach sign while a red light or no light is displayed. [49 FR 30936, Aug. 2, 1984]