Colregs MSE Pocket Book WITHERBY Witherby Seamanship International A Division of Witherby Publishing Group Ltd 4 Dunlop Square, Livingston, Edinburgh, EH54 8SB, Scotland, UK Tel No: +44(0)1506 463 227 - Fax No: +44(0)1506 468 999 Email: info@emailws.com - Web: www.witherbyseamanship.com iii First Published 2010 Book ISBN: 978 1 85609 412 2 eBook ISBN: 978 1 85609 413 9 © Witherby Publishing Group Ltd, 2010 British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library. Notice of Terms of Use All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the publisher and copyright owner. While the principles discussed and the details given in this book are the product of careful study, the author and publisher cannot in any way guarantee the suitability of recommendations made in this book for individual problems, and they shall not be under any legal liability of any kind in respect of or arising out of the form or contents of this book or any error therein, or the reliance of any person thereon. Printed and bound in Great Britain by Bell & Bain Ltd, Glasgow W ITHERBY P U BLISHING GRO U PSince - 1740 A IN Published by Witherby Publishing Group Ltd 4 Dunlop Square, Livingston Edinburgh, EH54 8SB Scotland, UK Tel No: +44(0)1506 463 227 Fax No: +44(0)1506 468 999 Email: info@emailws.com Web: www.witherbys.com iii CONTENTS QUESTIONS ..................................................1 1 Navigation Lights .......................................................................3 2 Visual Collision Situations ........................................................29 3 Radar Situations Questions ......................................................48 4 IALA Buoyage ..........................................................................54 5 Colregs Class 4 (OOW) ............................................................61 6 Colregs Rule 10: Traf?c Separation Scheme ............................73 7 Colregs Rule 19: Navigation in Restricted Visibility ..................76 8 Colregs Class 2 (Ch. Mate) ......................................................78 9 Colregs Class 1 (Master) ..........................................................80 ANSWERS ...................................................83 1 Navigation Lights .....................................................................85 2 Visual Collision Situations ......................................................101 3 Radar Situations Answers ......................................................112 4 IALA Buoyage ........................................................................114 5 Colregs Class 4 (OOW) ..........................................................118 6 Colregs Rule 10: Traf?c Separation Scheme ..........................139 7 Colregs Rule 19: Navigation in Restricted Visibility ................144 8 Colregs Class 2 (Ch. Mate) ....................................................147 9 Colregs Class 1 (Master) ........................................................151 48 3 Radar Situations Questions 3.1 Restricted visibility, using a radar range of 12 nm. A target has been tracked and at 10' the CPA was 0.3', now at 7' the CPA is 0.6'. What action should you take? 3.2 Restricted visibility, using a radar range of 12 nm. 1) What action should you take? 2) Does Rule 13 apply in this situation? 3.3 In restricted visibility using a radar range of 12 nm, what action should you take? 3.4 In restricted visibility using a radar range of 12 nm, what action should you take? 49 MSE Pocket Book – Colregs – Questions 3.5 On a deep draught vessel in clear visibility using a radar range of 12 nm, what action should you take? 3.6 In restricted visibility using a radar range of 12 nm, what action should you take it the vessel to port is being overtaken? 3.7 In clear visibility using a radar range of 12 nm, what action should you take? 3.8 On a deep draught vessel in clear visibility using a radar range of 12 nm. What action should you take? MSE Pocket Book – Colregs – Questions 50 MSE Pocket Book – Colregs – Questions 51 3.9 In restricted visibility using a radar range of 12 nm, what action should you take? 3.10 In restricted visibility using a radar range of 12 nm, what action should you take? 3.11 In clear visibility using a radar range of 12 nm, what action should you take? 3.12 In restricted visibility using a radar range of 12 nm, what action should you take?