46 C.F.R. § 197.324
Diver's safety harness.
Cite as 46 C.F.R. § 197.324 (2026)
Each safety harness used in surface-supplied diving must have—
(a) A positive buckling device; and
(b) An attachment point for the umbilical life line that—
(1) Distributes the pulling force of the umbilical over the diver's body; and
(2) Prevents strain on the mask or helmet.