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Electronic Speed Controller failure, Feltham, London, 18 February 2019.
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Crashed inverted after a motor failure whilst in flight, Lathbury Road, Manchester, 18 March 2019.
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Loss of control resulting in a fly-away and eventual crash, Goodwood Aerodrome, West Sussex, 4 July 2019.
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Loss of battery power in flight, St Albans, Hertfordshire, 25 July 2022.
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Probable collision with a tree whilst operating at extended range, Mill Lane, Ludlow, 5 March 2020.
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Loss of control in flight, Worcester, Worcestershire, 17 June 2018.
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Low battery voltage resulting in loss of control, Henley-on-Thames, Oxfordshire, 29 June 2022.
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Collided with a building, Liverpool, 27 March 2023.
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Structural failure leading to loss of control, Oundle Road, Peterborough, 22 May 2018.
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Loss of control and collision with railway track, near Kenyon Hall Farm Airfield, Warrington, Cheshire, 16 September 2021.
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Uncontrolled flight into trees, Fareham, Hampshire, 19 February 2021.
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Loss of control, Railway Terrace, Rugby, Warwickshire, 25 November 2021.
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Loss of power followed by stall and spin, Salisbury Plain, Wiltshire, 3 February 2021.
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Drone collision with structure, Sampson House, London, 8 February 2020.
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Loss of power in flight and deployment of recovery parachute, Danbury, Essex, 6 October 2019.
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Loss of control and aircraft fell to the ground in a congested area, Hammond Court, Norwich, Norfolk, 11 June 2019.
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Loss of power and control due to electronic speed controller failure, Temple Newsam, Leeds, Yorkshire, 16 March 2019.
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Mid-air collision between Pioneer 300 (G-OPFA) and Valenta Ray X (UAS), Upton-upon- Severn, Worcestershire, 5 April 2015.
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Dropped vertically onto a building due to propulsion error, Bury Road, Chedburgh, Suffolk, 28 July 2019.
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Loss of power due to erroneously high reported battery state of charge, Tilbury Docks, Essex, 4 September 2018.
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Loss of control during hover checks, Dearne Old Moor, South Yorkshire, 20 April 2019.
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Loss of power due to motor failure, Maidstone Road, Leicester, 3 March 2019.
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Loss of control due to magnetic interference from high voltage cables, Stoke Gifford, Gloucestershire, 1 October 2019.
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Loss of power due to erroneously high battery state of charge, Farmer’s field, Keith, Aberdeenshire, 18 July 2018.
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Loss of control due to electronic speed controller failure, Merry Hill Shopping Centre, Brierley Hill, West Midlands, 15 October 2018.
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Loss of power due to erroneously high battery state of charge, Ledbury, Herefordshire, 26 October 2018.
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Electronic Speed Controller failure, Clevedon, Somerset, 19 January 2019.
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Controlled flight into wind turbine, Bristol sewage treatment works, 5 March 2020.
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Mid-air collision with a radio-controlled model glider, near Shoreham Airport, West Sussex, 30 April 2015.
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All four electric motors stopped due to a battery firmware issue, near Albert Bartlett Farm, St Helier, Jersey, 20 December 2017.
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Slingsby T.21B (WB 924), mid-air collision with an unmanned aircraft, Dunstable Airfield, Bedfordshire, 7 October 2023
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The AAIB Annual Safety Review 2021 has been published. It includes information on occurrences and the safety action taken or planned in response to AAIB investigations concluded in 2021.
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The AAIB Annual Safety Review 2020 has been published. It includes information on occurrences and the safety action taken or planned in response to AAIB investigations concluded in 2020.