Section 189Part 8 — SAFETY OF SUBMERSIBLES
Definitions in Part 8
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189. In this Part — “casualty” means —
loss or presumed loss or abandonment of, or damage to, submersible craft or supporting apparatus;
loss of life or serious injury to any person occurring in the course of the launch, recovery, operation or support of a submersible craft or supporting apparatus; or
any incident involving serious danger to the life or health of any person in a submersible craft; “diving bell” means any compression chamber which is capable of being manned and is used or designed for use under the surface of the water in supporting human life, being a chamber in which an occupant is or may be subjected to a pressure of more than three hundred millibars above atmospheric pressure during normal operation; “owner” means the owner of any submersible craft; “pressure hull” means the pressure resistant structure of a submersible craft which is subject to pressure differential during service conditions; “register of submersible craft” means the part of the register referred to in section 11(2) in which submersible craft are registered; “submersible craft” means any type of manned mobile submersible apparatus, not being a diving bell, which is designed to maintain some or all of its occupants at or near atmospheric pressure including free, self-propelled, Merchant Shipping Act, 2024 Section 191 c Act 1 of 2024 Page 107 tethered, towed or bottom contact propelled apparatus and atmospheric diving suits; and “supporting apparatus” includes any vessel, vehicle or hovercraft, any structure, any diving plant or equipment and any other form of equipment used or designed to be used in connection with the operation of any submersible craft.