The Rolls-Royce Trent XWB engine which is being tested on the Airbus A380 but will be fitted to the new A350 aircraft, which is due to go into service from next year.
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The players and management looked relaxed as they took part in their preparations for their Champions League game at home.
The crash which happened last year, left two teenagers needing leg amputations and several other passengers seriously hurt.
But the Home Secretary has pledged support for an application to the Legal Aid Agency to fund legal representation at the inquests.