CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER V—MARINE OCCUPATIONAL SAFETY AND HEALTH STANDARDS (parts 197 to 198) > PART 197—GENERAL PROVISIONS > SUBPART B—Commercial Diving Operations (§197.200 to §197.488) > 197.430—SCUBA diving.

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 § 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;
(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.