Type 45 Destroyers

Defence written question – answered on 11th June 2012.

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Photo of Angus Robertson Angus Robertson Shadow SNP Spokesperson (Defence), Shadow SNP Spokesperson (Foreign and Commonwealth Office), Shadow SNP Westminster Group Leader

To ask the Secretary of State for Defence what recent assessment he has made of the reliability of (a) power generation and (b) the main bus bars of the fleet of Type 45 vessels.

Photo of Peter Luff Peter Luff The Parliamentary Under-Secretary of State for Defence

As with all equipment in all classes of ship, the electrical systems in the Type 45 destroyers undergo a continual process of performance assessment and routine maintenance, to ensure they are maintained at the highest standard of availability and reliability.

Concerns about the reliability of the Type 45 Class power and propulsion system did emerge during first of class sea trials for HMS Daring. As a result, an independent power and propulsion system performance review was commissioned. This review, which reported in March 2011, highlighted a number of unconnected causes of system and equipment failure and these issues have been addressed through a series of design changes, resulting in a marked improvement in performance. Work to complete the implementation of the recommended design changes is continuing.

There have been no problems with the reliability of bus bars on the in-service Type 45 destroyers.

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