[Code of Federal Regulations] [Title 46, Volume 7] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR197.318] [Page 427] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 197_GENERAL PROVISIONS--Table of Contents Subpart B_Commercial Diving Operations Sec. 197.318 Gages and timekeeping devices. (a) A gage indicating diver depth must be at each dive location for surface-supplied dives. (b) A timekeeping device must be at each dive location.