ISO 16556:2014
(Main)Large yachts - Deck equipment - Anchoring equipments
Large yachts - Deck equipment - Anchoring equipments
ISO 16556:2014 defines the requirements for layout, design, and installation for large yacht anchoring equipment.
Grands yachts — Équipement de pont — Mouillage
General Information
- Status
- Published
- Publication Date
- 20-Oct-2014
- Technical Committee
- ISO/TC 8/SC 12 - Ships and marine technology - Large yachts
- Drafting Committee
- ISO/TC 8/SC 12 - Ships and marine technology - Large yachts
- Current Stage
- 9093 - International Standard confirmed
- Start Date
- 20-Apr-2021
- Completion Date
- 13-Dec-2025
Overview
ISO 16556:2014 - Large yachts - Deck equipment - Anchoring equipments defines requirements for the layout, design and installation of anchoring equipment for large yachts (length L ≥ 24 m as per ISO 8666:2002). The standard covers windlasses, cable-lifters, chain stoppers and associated installation, testing, labelling and documentation needed to ensure safe anchoring operations on pleasure and commercial large yachts.
Key topics and technical requirements
- Scope and terminology: Defines working load, nominal sizes (NS), equipment number (EN), sloping angle (α), winding angle (β) and deviation angle (γ).
- Cable-lifter (snugs and winding):
- Minimum of five snugs, with at least three engaged simultaneously during operation.
- Winding angle (β) should be as large as possible (guidance: ideally near 180°); smaller β requires more snugs and coordination with the windlass manufacturer.
- Windlass design and safety:
- Must allow safe chain separation and, if no chain stopper is fitted, withstand 80% of the chain breaking load.
- Brake systems: manual, automatic (hydraulic/pneumatic), manual levers and backup energy source enabling three consecutive offline operations are described.
- Testing and performance: Manufacturer to determine applicable tests referencing ISO 7825 and ISO 4568.
- Remote control (optional): Video monitoring of cable line and lifter, anchor position display (chain paid out/hauling), clutch/brake controls and PA/intercom for two‑way communication.
- Installation & documentation: Manuals must include bolting, max sloping angle (α), min winding angle (β), max deviation (γ), wiring/hydraulic diagrams, deck cut‑out details, required engaged snugs, maintenance and torque values.
- Labelling: Permanent metallic plate with manufacturer name/address, NS code, number of snugs, max α and β, power source, continuous pull/speed (kN and rpm) and serial number.
- Chain stoppers:
- Installed between windlass and hawse pipe to relieve windlass.
- Designed to avoid chain deformation and accidental engagement.
- Must withstand 80% of minimum breaking strength of the chain without permanent deformation (if no stopper, windlass must meet this requirement).
Applications and who uses it
ISO 16556:2014 is used by:
- Yacht designers and naval architects specifying anchoring systems for vessels ≥24 m
- Manufacturers of windlasses, cable-lifters, chain stoppers and deck equipment
- Shipyards and installers performing deck equipment installation and commissioning
- Classification societies and surveyors assessing compliance
- Owners/operators and maintenance teams for safe operation and documentation
Related standards
Normative references included in ISO 16556:2014:
- ISO 1704 – Stud‑link anchor chains
- ISO 3828 – Deck machinery vocabulary and symbols
- ISO 4568 – Windlasses and anchor capstans
- ISO 7825 – Deck machinery general requirements
- ISO 8666:2002 – Small craft principal data
Keywords: ISO 16556:2014, large yachts, anchoring equipment, windlass, cable lifter, chain stopper, deck equipment, anchor chain, installation requirements, marine standards.
Frequently Asked Questions
ISO 16556:2014 is a standard published by the International Organization for Standardization (ISO). Its full title is "Large yachts - Deck equipment - Anchoring equipments". This standard covers: ISO 16556:2014 defines the requirements for layout, design, and installation for large yacht anchoring equipment.
ISO 16556:2014 defines the requirements for layout, design, and installation for large yacht anchoring equipment.
ISO 16556:2014 is classified under the following ICS (International Classification for Standards) categories: 47.040 - Seagoing vessels. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO 16556:2014 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 16556
First edition
2014-10-15
Large yachts — Deck equipment —
Anchoring equipments
Grands yachts — Équipement de pont — Mouillage
Reference number
©
ISO 2014
© ISO 2014
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
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Tel. + 41 22 749 01 11
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Published in Switzerland
ii © ISO 2014 – All rights reserved
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Design and construction . 4
4.1 Cable-lifter . 4
4.2 Testing and performance . 6
5 Remote control of windlass . 6
6 Installation instructions provided by the manufacturer . 6
7 Labelling . 6
8 Chain stoppers . 7
8.1 Installation . 7
8.2 Design . 7
8.3 Holding load . 7
Annex A (normative) Minimum information provided by the purchaser . 8
Foreword
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The committee responsible for this document is ISO/TC 8, Ships and marine technology, Subcommittee
SC 12, Large yachts.
iv © ISO 2014 – All rights reserved
INTERNATIONAL STANDARD ISO 16556:2014(E)
Large yachts — Deck equipment — Anchoring equipments
1 Scope
This International Standard defines the requirements for layout, design, and installation for large yacht
anchoring equipment.
For the purpose of this International Standard, large yachts are of L (as defined according to
H
ISO 8666:2002) equal to or longer than 24 m, in use for sport or pleasure and commercial operations.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
ISO 1704, Ships and marine technology — Stud-link anchor chains
ISO 3828, Shipbuilding and marine structures — Deck machinery — Vocabulary and symbols
ISO 4568, Shipbuilding — Sea-going vessels — Windlasses and anchor capstans
ISO 7825, Shipbuilding — Deck machinery — General requirements
ISO 8666:2002, Small craft — Principal data
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 3828 and the following apply.
3.1
working load of the windlass
F
W
working load, derived from the chain cable diameter and the chain cable grade, measured at the cable
lifter
3.2
nominal size of the windlass
NS
W
size expressed in terms of chain cable diameter, in millimetres, grade of chain cable, and pull capability
EXAMPLE 100/3/25 is the size designation of a windlass for 100 mm diameter chain cable of IACS
(International Association of Classification Societies) Grade 3, with a holding load of 25 % of the breaking load of
the chain cable.
3.3
anchor nominal weight
W
A
mass of a single anchor in kg
3.4
nominal size of chain stopper
NSC
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