Spanish shipbuilder Navantia has reacted strongly to an accusation that faults in compartment sealing could have played a part in the loss of the Norwegian frigate KNM Helge Ingstad (F 313) in November.
One of five sister ships that the state-owned yards built for the Royal Norwegian Navy, it sank a week after colliding with an oil tanker north of Bergen on 8 November.
The 5,300 tonne, 132 m-long frigate, delivered by Navantia in 2009, was returning to its base at the time after taking part in the NATO Exercise 'Trident Juncture'. Eight of the 136 people on board were injured.
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