[Code of Federal Regulations] [Title 46, Volume 4] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR96.27-1] [Page 63] TITLE 46_SHIPPING (This book contains parts 90 to 139) CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 96_VESSEL CONTROL AND MISCELLANEOUS SYSTEMS AND EQUIPMENT--Table of Contents Subpart 96.27_Sounding Equipment Sec. 96.27-1 When required. All mechanically propelled vessels of 500 gross tons and over in ocean or coastwise service and all mechanically propelled vessels of 500 gross tons and over in Great Lakes service and certificated for service on the River St. Lawrence eastward of the lower exit of the St. Lambert Lock at Montreal, Canada, must be fitted with an efficient electronic sounding apparatus. [CGD 95-027, 61 FR 26007, May 23, 1996]