ISO INTERNATIONAL STANDARD 13643-3 Second edition 2017-02 Ships and marine technology - Manoeuvring of ships Part 3: Yaw stability and steering Navires et technologie maritime - Manoeuvres des navires - Partie 3: Stabilité en lacet et pilotage Reference number ISO 13643-3:2017(E) so International Organization for Standardization @ IS0 2017 ZHEJIANG INSTOFSTANDARDIZATION C15956617 vided by IHS under lic ed without license from IHS IS013643-3:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org Internatinair PrganizationforStandardization icensee-ZHEJIANG INSTOF STANDARDIZAoISQ07 -All rights reserved Not for Resale, 2017/5/11 02:25:50 etworking permitted without license from IHS IS0 13643-3:2017(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references 3 Terms and definitions 4 Test-related physical quantities 5 General test conditions. 6 Test 3.1 Pull-out test .6 6.1 General. .6 6.2 Analysis and presentation of results of a pull-out test ..6 6.3 Designation of a pull-out test .7 7 Test 3.2 - Direct spiral test (according to Dieudonné) .7 7.1 General .7 7.2 Description 7 7.3 Analysis and presentation of results of a direct spiral test (according to Dieudonné) ..8 7.4 Designation of a direct spiral test (according to Dieudonné) .9 8 Test 3.3 - Reverse spiral test (according to Bech) .9 8.1 General 8.2 Description .10 8.3 Analysis and presentation of results of a reverse spiral test (according to Bech) ..10 8.4 Designation of a reverse spiral test (according to Bech) ..11 9 Test 3.4 - -Weave test .12 9.1 General ..12 9.2 Description ..12 9.3 Analysis and presentation of results of a weave test .13 9.4 Designation of a weave test. .13 10 Test 3.5 Astern test .13 10.1 General. .13 10.2 Description .14 10.2.1 Description of the direct astern test .14 10.2.2 Description of the astern zig-zag test ..14 10.3 Analysis and presentation of results of an astern test ..15 10.3.1 Analysis of a direct astern test. .15 10.3.2Analysis of an astern zig-zag test ..16 10.4 Designation of an astern test. .16 10.4.1 Designation of a direct astern test ..16 10.4.2 Designation of an astern zig-zag test. ..16 11 Test 3.6-Sine test .16 11.1 General .16 11.2 Description 17 11.3 Analysis and presentation of results of a sine test. ..17 11.4 Designation of a sine test. ..19 Bibliography .20 iii ee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 ed without license from IHS Not for Resale, 2017/5/11 02:25:50