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COLLISIONS IN ICE: A STUDY OF COLLISIONS INVOLVING SWEDISH ICEBREAKERS IN THE BALTIC SEA
Linnaeus University, Faculty of Engineering and Technology, Kalmar Maritime Academy.
Linnaeus University, Faculty of Engineering and Technology, Kalmar Maritime Academy.
2013 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This study was conducted with the purpose of furthering the knowledge of collisionsinvolving Swedish icebreakers in the Baltic Sea. It strived to identify the causes and directeffects of this type of collision. It also sought to establish if regulations and operationalguidelines, governing Swedish icebreakers and icebreaker assistance, were sufficient and ifthey were being adhered to.The method used to accomplish this was a qualitative literature study of all data regardingSwedish icebreaker collisions from the archives of the Swedish Maritime Administration andthe Swedish Transport Agency. Several accident investigation authorities from around theworld assisted in developing a method for processing the raw data.Having processed and examined the data the prevalence of different causes contributing to thecollisions could be established. All collisions occurred during icebreaker assistance. It wasfound that the all encompassing cause of the collisions was the difficulties of evaluating theice conditions and the behavior that difficult ice conditions necessitated the vessels to adopt.It was further made clear that the direct effects for the vessels, their crew and the environmentwere of limited severity. It was also concluded that the regulations and operational guidelinesgoverning Swedish icebreaker assistance, were generally being adhered to, and weresatisfactory in enabling a sufficiently safe and effective icebreaker assistance service.

Abstract [sv]

Denna studie genomfördes i syfte att utöka den akademiska kunskapen om kollisioner sominvolverar svenska isbrytare i Östersjön. Den ämnade identifiera orsakerna och de omedelbaraeffekterna av dessa kollisioner. Vidare sökte den fastslå huruvida regelverk och riktlinjer förden svenska isbrytartjänsten var tillräckliga och om de efterlevdes.Studien genomfördes som en kvalitativ litteraturstudie av all data, med anknytning tillisbrytarkollisioner, som fanns tillgänglig i Sjöfartsverkets och Transportstyrelsens arkiv. Ettflertal utländska myndigheter som utreder olyckor assisterade vid framtagandet av modellenför bearbetning av datan.Efter att ha bearbetat och undersökt datan kunde förekomsten av olika bidragande orsaker tillisbrytarkollisionerna slås fast. Alla kollisioner inträffade under isbrytarassistans. Det stodklart att den övergripande orsaken var svårigheten i att utvärdera isförhållandena och deåtgärder fartygen tvingas vidta för att kunna ta sig fram genom isen. Vidare fastslogs att deomedelbara effekterna, för såväl fartyg som besättning och miljö, inte var förödande utan avbegränsad karaktär. Det fastslogs även att de regelverk och riktlinjer som styr den svenskaisbrytarverksamheten överlag efterlevdes och var tillräckliga för att säkerställa entillfredställande säker och effektiv isbrytartjänst.

Place, publisher, year, edition, pages
2013. , p. 20
Keywords [en]
Baltic Sea, Collision, Icebreak, Ice-class
Keywords [sv]
Östersjön, Kollision, Isbryt, Isklass
National Category
Other Engineering and Technologies not elsewhere specified
Identifiers
URN: urn:nbn:se:lnu:diva-25468OAI: oai:DiVA.org:lnu-25468DiVA, id: diva2:618511
Educational program
Nautical Science Programme (4years) with onboard practical training placement, 180 credits
Uppsok
Technology
Supervisors
Examiners
Available from: 2013-05-16 Created: 2013-04-29 Last updated: 2013-05-16Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
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  • nn-NO
  • nn-NB
  • sv-SE
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Output format
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