Mr Williamson, 30, from Londonderry in Northern Ireland, was working at Bournemouth Airport at the time of the accident.

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It took De Havilland Aviation (DHA), based at Bournemouth Airport, three years to restore the craft and gain a full permit to fly.

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The third such incident was on 22 June near Bournemouth airport when an ATR 72 passenger aircraft and another Piper came within 400 yards horizontally of each other.

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