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2023 Journal Impact Factor - 0.7
2023 CiteScore - 1.4



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ISSN 2083-6473
ISSN 2083-6481 (electronic version)
 

 

 

Editor-in-Chief

Associate Editor
Prof. Tomasz Neumann
 

Published by
TransNav, Faculty of Navigation
Gdynia Maritime University
3, John Paul II Avenue
81-345 Gdynia, POLAND
www http://www.transnav.eu
e-mail transnav@umg.edu.pl
Impact of Chart Data Accuracy on the Safety of Navigation
Times cited (SCOPUS): 6
ABSTRACT: Conducting navigation by using electronic charts is not an option anymore. With few exceptions, vessels shall carry on board electronic navigational charts and Electronic Chart Display and Information Systems. The official electronic charts are issued by or on behalf of the authority of a Government, authorized Hydrographic Office or other relevant government institutions. These nautical charts are compiled from multiple data sources, some modern and very comprehensive, while others older. The accuracy of data, named “Category Zones of Confidence – CATZOC”, differs among various navigation areas. The navigation officers of the watch rely on the chart data to calculate the safety parameters and to plan the route in advance for the intended voyage. The aim of this paper is to emphasize the impact which the data accuracy has on the safety of navigation. For this purpose, a model vessel was considered in a Strait of Dover bridge simulation scenario, assuming good weather conditions without swell or current. The Safety Contour was defined using a mathematical formula which incorporated the under keel clearance, the squat effect and the tide levels. Then, the Safety Contour was examined considering the chart data accuracy. The results of this analysis contribute to increasing awareness and better understanding of CATZOC influences on the identification of safe waters during navigation.
REFERENCES
IMO MSC.232(82), (2006). Revised Performance Standards for Electronic Chart Display and Information Systems (ECDIS). International Maritime Organization, London, 5 December.
IMO Resolution A.817(19), (1995). ECDIS Performance Standards.
IMO MSC 73rd session, (2000) Proposed amendments to SOLAS Convention
IMO Circ. letter 2916, (2008) SOLAS Amendments
Chhabra, Y. (2014) A little learning: examining ECDIS education. The Navigator. 06 The Nautical Institute, pp. 4.
Bhuiyan, Z. (2012). ECDIS Display, Safety Settings and Alarm Management Proc of the 14th IAIN Congress, Egypt. pp. 1-6.
Bhuiyan, Z. (2010). Implementing ECDIS training for navigation officers. Seaways Nautical Institute’s international journal
Mukherjee, P. (2018) Proper Use of ECDIS Safety Settings www.marineinsight.com
Weintrit, A. (2018b). Accuracy of Bathymetric Data in Electronic Navigational Charts. Scientific Journals of the Maritime University of Szczecin, No. 55 (127), doi:10.17402/302, pp. 60-69. - doi:10.17402/302
Citation note:
Acomi N.: Impact of Chart Data Accuracy on the Safety of Navigation. TransNav, the International Journal on Marine Navigation and Safety of Sea Transportation, Vol. 14, No. 2, doi:10.12716/1001.14.02.19, pp. 411-415, 2020

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