Feb 142013
 

dp2Single fault failures should not be possible in safety critical systems. However, a recent incident in which dynamic positioning failed while divers were underwater show that they can and do happen in ways that, with 20/20 hindsight, are not surprising.

A serious incident occurred in which a diving support vessel’s dynamic positioning (DP) system, designated as IMO class 2, failed resulting in the vessel drifting off position while divers were deployed subsea. Investigations have shown that a probable cause of the DP failure was a single fault which caused blocking of the DP system’s internal data communications. Continue reading »

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Federal Kivalina Grounding – Bridge Team Lost Control – No Passage Planning

 Accident, Accident report, charts, ENC, grounding, navigation, passage plan, pilot, pilotage  Comments Off on Federal Kivalina Grounding – Bridge Team Lost Control – No Passage Planning
Feb 252010
 
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Federal Kivalina aground

Bulk carrier Federal Kivalina ran aground at 0510 hours on 6 October 2008 at Årsundøya in Møre and Romsdal county, Norway, while under pilotage as the ship’s electrician analysed an alleged fault in the AIS. Norway’s Accident Investigation Board highlights bridge team management, passage planning and the master-pilot exchange as vectors in the incident.

After boarding the vessel the pilot tried to connect his laptop computer to the ship’s AIS using the pilot plug but failed and reported the problem to the master. The master called the ship’s electrician who attempted to locate the fault.

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