© Bundesamt für Seeschifffahrt und Hydrographie (BSH) 
Federal Maritime and Hydrographie Agency 
Hamburg und Rostock 2013 
www.bsh.de 
BSH-Nr. 7003 
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 by the BSH. 
Cover photos courtesy of: 
Roland Krone, Mathias Putze, Klaus Lucke, alpha ventus/DOTI 2009