Section 197.430 - SCUBA divingThe 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.