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Drone technology used in aircraft safety checks

7 May 2014 Last updated at 16:55 BST

New technology is helping engineers to carry out safety checks on aircraft.

What can take the human eye more than a day to find, a drone can spot in a matter of hours.

The drones are able to create 3D images with millimetre accuracy.

The BBC's Richard Westcott has been to see the technology in action at Luton Airport.

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