ASN Wikibase Occurrence # 264638
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| Date: | Friday 13 December 2019 |
| Time: | 15:21 UTC |
| Type: | DJI Matrice 600 pro |
| Owner/operator: | Private |
| Registration: | Unregistered |
| MSN: | 2016DP6137 |
| Fatalities: | Fatalities: 0 / Occupants: 0 |
| Aircraft damage: | Substantial |
| Location: | Wallsend-on-Tyne, North Tyneside, Tyne & Wear -
 United Kingdom
|
| Phase: | En route |
| Nature: | Survey |
| Departure airport: | Wallsend-on-Tyne, Tyne & Wear |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
AAIB investigation to DJI M600 Pro (UAS, registration n/a): UAS collided with a house roof after a GPS-compass error, Wallsend, Tyne and Wear, Northumberland, 13 December 2019. The AAIB Final Report was published on 25 June 2020, and the following is an excerpt from it:
"The UAS, a DJI M600 Pro, was being operated in an automated flight mode to survey a construction site when a GPS-compass error caused the aircraft to revert to a flight mode that required manual control. By the time that the pilot and observer realised that it was not responding to the return-to-home (RTH) function, visual line of sight was lost when the aircraft drifted with the wind beyond a line of trees. It subsequently collided with the roof of a house before falling into the property’s rear garden. No persons were injured.
The pilot, and the observer who was also a pilot, had operated UASs since 2018 and had the required permissions from the UK CAA. Both pilots had relied predominantly on the automated flight capability of their aircraft and had not, nor were required to have, practised for emergencies since completing their flying training in 2018.
The pilot was required to take manual control of the aircraft following the loss of its automated flight modes due to signal interference. However, no manual control inputs were made, and the aircraft subsequently drifted with the wind until it collided with a house roof and fell to the ground.
One Safety Recommendation is made to the UK CAA:
Operators holding a PfCO issued by the CAA are not currently required to practise routinely or emergencies or demonstrate the ability to fly their aircraft in a degraded flight mode.These skills are perishable but, as this accident shows, they may be needed at any time;it is important that they are maintained to prevent a risk of injury to people or damage to property. To address this, one Safety Recommendation has been made to the CAA.
Safety action taken by the operator
● The operator’s pilots have undergone refresher training on responding to emergency situations and operating their multi-rotor UASs in the ATTI flight mode."
=Damage sustained to airframe
Per the AAIB report "Propellers, arms, landing gear, gimbal and camera lens damaged"
Sources:
1. AAIB Final Report: https://assets.publishing.service.gov.uk/media/5f1ae9f8d3bf7f596648297e/DJI_M600_Pro_UAS_reg_na_07-20.pdf
2. AAIB Annual Safety Review 2020 p.119: https://assets.publishing.service.gov.uk/media/60d2e72ed3bf7f4bd4662d67/Annual_Safety_Review_2020.pdf
3. https://en.wikipedia.org/wiki/Wallsend
4. https://www.stewartslaw.com/news/liability-implications-for-personal-injuries-caused-by-drones/
5. https://mavicpilots.com/threads/lost-drone-in-the-uk-article-about-gps-interference.95788/
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Jun-2021 23:02 | Dr. John Smith | Added |
| 26-Jun-2021 23:03 | Dr. John Smith | Updated [Narrative] |
| 28-Jun-2021 16:38 | Dr. John Smith | Updated [Narrative] |
| 28-Jun-2021 16:39 | Dr. John Smith | Updated [Narrative] |
| 30-Jun-2021 18:43 | Dr. John Smith | Updated [Narrative] |
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