Type 45 Destroyers

Ministry of Defence written question – answered on 16th February 2017.

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Photo of The Marquess of Lothian The Marquess of Lothian Conservative

To ask Her Majesty’s Government whether there are any issues with the noise levels emitted underwater by the Navy's Type 45 destroyers; and how far away underwater the Type 45 can be heard by a submarine.

Photo of Earl Howe Earl Howe The Minister of State, Ministry of Defence, Deputy Leader of the House of Lords

The Type 45 destroyers were designed and built primarily as highly capable air defence destroyers but are configured and equipped for a range of operations, including as part of a maritime task group, where they would operate alongside anti-submarine warfare frigates.

The level of underwater radiated noise of the Type 45 destroyers is in accordance with the design of the ships.

I am withholding further information as its disclosure would, or would be likely to, prejudice the capability, effectiveness or security of the Armed Forces.

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