# The Fishing Vessels (Safety Provisions) Rules 1975, Paragraph 9


Wire ropes.
(a) The breaking tensile load of each wire rope used for lowering lifeboats, Class C boats or other boats shall be not less than six times the maximum load on the wire rope when lowering, hoisting or stowing.
(b) Wire ropes shall be securely attached to the drum of the winch, and the end attachment of the wires and other parts from which the lifeboat, Class C boat or other boat is to be suspended shall be capable of withstanding a proof load of not less than 2½ times the load on such attachments and other parts.
(c) Where wire rope splices or ferrule-secured eye terminals are used they shall be capable of withstanding a proof test of not less than 2½ times the load imposed on them in service unless samples representing each size of wire on which they are used show a factor of safety of at least 5 when tested to destruction.

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Source: https://www.legislation.gov.uk/uksi/1975/330/schedule/15/paragraph/9 (the official version)
Page: https://openlegislation.uk/fishing-vessels-safety-provisions-rules-1975/schedule-15/paragraph-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.