File Name: basic navigation and chart work .zip
Both forms are 2-dimensional representations of a 3-dimensional world which will result in various distortions, yet as long as two requirements are met we can use the 2-dimensional image for navigational purposes:.
Unstable area. The Boat Compass does not point exactly towards the Magnetic North, because it is affected by ferrous masses and electric currents in the vacinity of the compass.
Basics of Chartwork
Except as provided by legislation governing the use of materials for educational purposes, no part of this publication may be reproduced, stored in a database or a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise without prior written permission from the Marine Institute of Memorial University. Care has been taken to ensure that ownership of any copyright material contained in this publication is being traced and permission for its use obtained. The Marine institute would welcome any information that would correct any errors or omissions in assigning appropriate credit or reference in future editions. Introduction This unit is designed to develop your awareness that navigation is both an art and science. While the modern fishing skipper is surrounded by very powerful electronic navigational aids that are normally very reliable - it is without doubt they can fail!
How to Plot Latitude and Longitude on a Nautical Chart
Second mates on ships are often seen engrossed with drawing lines and working on those multi colored, thick bundles of sheets kept nicely stowed in canvass covers in various shelves in wheelhouse or Navigational Bridge. Few have even wondered how a trivial task such as drawing courses on those sheets can make him so engrossed with his work. The fact is those conglomerations are popularly known as Charts and they happen to be the lifeline of ship navigation. One cannot imagine navigation without charts. They are classified on the basis of the regions where they are printed, published, and updated or because of regional hydrographic offices controlling generation, assimilation and update of information concerning them. The Hydrographer of the Navy in United Kingdom is under the command of Admiralty — an administrative authority commanding the Royal Navy. Of their various functions one is to gather information in the form of hydrographic data, scrutinize it carefully, update it and broadcast the contemplated data in the form of paper charts, electronic charts and several allied publications.
Last Updated: April 22, References. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. There are 15 references cited in this article, which can be found at the bottom of the page. This article has been viewed 55, times. Learn more
Any GPS receiver will find the latitude and longitude along your sailing routes at any moment.