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ISO 9089:2019

Marine structures — Mobile offshore units — Mooring positioning windlasses and winches ISO 9089:2019

Publication date:   Jul 2, 2019

General information

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

Buying

Published

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 9089:1989

NOW

PUBLISHED
ISO 9089:2019
90.93 Standard confirmed
Aug 23, 2025




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