AAIB investigation to DJI Matrice 210, (UAS, registration n/a) 28 July 2019
Dropped vertically onto a building due to propulsion error, Bury Road, Chedburgh, Suffolk, 28 July 2019.
Summary:
The DJI Matrice 210 quadcopter small unmanned aircraft (SUA) was being operated at night over a small industrial estate in light rain. About 20 minutes into the flight the aircraft dropped suddenly without warning from a height of 70 m (230 ft). The aircraft hit the corrugated roof of a building and was destroyed; there was some impact damage to the roof.
The remains of the aircraft were sent to the manufacturer for examination. They determined that the accident was caused by a propulsion error of the no 2 motor but were unable to determine the reason for it.
Refer to report on DJI Matrice 210 - EW/G2019/03/12 in this AAIB Bulletin 1/2020 for information on other accidents involving the DJI Matrice 210 and Safety Recommendations concerning the safe operation of a UAS near to people and congested areas.
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