[Code of Federal Regulations] [Title 46, Volume 7] [Revised as of October 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR197.430] [Page 433-434] 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. 197.430 SCUBA diving. The diving supervisor shall insure that-- (a) SCUBA diving is not conducted-- (1) Outside the no-decompression limits; (2) At depths greater than 130 fsw; (3) Against currents greater than one (1) knot unless line-tended; and (4) If a diver cannot directly ascend to the surface unless line- tended; (b) The SCUBA diver has the equipment required by Sec. 197.346(a); (c) A standby diver is available while a diver is in the water; (d) A diver is line-tended from the surface or accompanied by another diver in the water in continuous visual contact during the diving operation; [[Page 434]] (e) When a diver is in a physically confining space, another diver is stationed at the underwater point of entry and is line-tending the diver; and (f) A boat is available for diver pickup when the divers are not line-tended from the dive location.