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CAA finds drone didn‘t cause Waihi plane crash

Pilot Rod Vaughan was able to get himself out of the wreckage but suffered a head injury.

The Civil Aviation Authority has found that a drone did not cause a plane crash near Waihi last year.

Last March, pilot and journalist Rod Vaughan told RNZ he thought a drone collision shattered his plane's windscreen.

The plane had been flying over the open mine to the north of Waihi when the windscreen "failed catastrophically".

The sudden blast of air caused both cabin doors to come open and compromised flight controls.

Rod was forced to land in a farm paddock.

The plane bounced and turned upside down, injuring him.

But investigators said they did not find any evidence of a drone in the area.

Instead they found that the plane's windscreen had become discoloured and yellow.

Laboratory tests from shards and section of the windscreen identified evidence of exposure to UV rays.

"UV degradation can affect the polymer bonding properties which can result in sudden failures," says the report said.

The authority recommended aircrafts to be stored in a suitable building or a material cover is placed over the windows.

It says thorough pre-flight inspections could identify the discolouration and other defects.

-RNZ.

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