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Learning lessons from the loss of the Norwegian frigate Helge Ingstad
In 2021 the Accident Investigation Board - Norway (AIBN) published a detailed report covering the loss of HNoMS Helge Ingstad after she collided with an oil tanker in November 2018. There is much to be learned from this event that is applicable to the RN and global navies. In this in-depth, although far from exhaustive,
Some months later, after complex clearance diving operations to remove fuel and live weapons and then secure chains beneath the wreck, HNIG was raised off the sea bed using a heavy lift crane barge. (Photo: Sjøforsvaret)The controversy over the leaking shafts can be explained in simplistic terms by a change made to the Nansen class from the original Spanish F100 parent design relating to a reduced underwater acoustic signature. The Norwegian Defence Ministry did not cover itself in glory by suing the classification society DNV for $1.7Bn in damages but was forced to drop the case when the investigation showed the ship ultimately sank due to the failure to close internal doors.
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