90.93 Standard confirmed Aug 23, 2025
ISO
ISO/TC 8/SC 4 Outfitting and deck machinery
International Standard
47.020.50 Deck equipment and installations
This document specifies a classification, technical requirements and test methods, as well as designation, marking and documentation requirements for mooring positioning windlasses and winches of mobile offshore floating units, including drill-ships, semi-submersible drilling rigs, production platforms and offshore accommodation platforms.
It can be used as a reference for ship-shifting positioning winches of pipelaying, crane and pile-driving vessels.
This document is applicable to the design, manufacturing and acceptance testing of mooring positioning windlasses and winches.
WITHDRAWN
ISO 9089:1989
PUBLISHED
ISO 9089:2019
90.93
Standard confirmed
Aug 23, 2025