Incident DJI Phantom 3 Pro Unregistered,
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ASN Wikibase Occurrence # 264855
 
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Date:Tuesday 22 May 2018
Time:08:30 UTC
Type:DJI Phantom 3 Pro
Owner/operator:Private
Registration: Unregistered
MSN:
Fatalities:Fatalities: 0 / Occupants: 0
Aircraft damage: Destroyed
Location:Railworld, near Rivergate Shopping Centre, Oundle Road, Peterborough -   United Kingdom
Phase: En route
Nature:Survey
Departure airport:Oundle Road, Peterborough, Cambridgeshire
Destination airport:Oundle Road, Peterborough, Cambridgeshire
Confidence Rating: Information verified through data from accident investigation authorities
Narrative:
AAIB investigation to DJI Phantom 3 Pro, UAS, registration n/a: Structural failure leading to loss of control, Railworld, near Rivergate Shopping Centre, Oundle Road, Peterborough, Cambridgeshire, PE1 1EL 22 May 2018. The AAIB Final Report was published on 9 May 2019, and the following is an excerpt from it:

"The DJI Phantom 3 Pro is an unmanned aircraft (UA) with a maximum weight of 1.28 kg. With its flight controller, it forms an unmanned aircraft system (UAS). It was being flown to photograph a local tourist attraction using a camera mounted on a gimbal below the aircraft.

The pilot completed his pre-flight checks of inspecting the structure and propellers for signs of damage and proceeded with an uneventful takeoff. As the UA reached a height of approximately 10-15 ft the pilot heard an unusual sound which he took to be wind noise. Seconds later he heard the same noise and the UA descended rapidly before ground impact.

During the impact the battery and camera separated from the UA and came to rest approximately two metres away. Upon inspection, one motor complete with mounting screws and propeller, was missing and despite a search of the area it was not found. The UA was extensively damaged but there were no injuries or third-party damage".

=Damage to Airframe=
Per the above AAIB Report "Motor mounting damaged and aircraft destroyed"

=AAIB comment=
"Good airworthiness practice suggests that operators of UAs should consider inspecting the critical areas of the UA structure at regular intervals (including the use of a suitable magnifying glass) to identify cracks which may lead to a structural failure and subsequent loss of the control"

Sources:

1. AAIB Report: https://assets.publishing.service.gov.uk/media/5f4676fde90e0729919977df/DJI_Phantom_3_Pro_UAS_05-19.pdf
2. http://www.railworld.net/
3. https://www.rivergate-centre.co.uk/how_to_find_us/

Revision history:

Date/timeContributorUpdates
28-Jun-2021 20:50 Dr. John Smith Added
28-Jun-2021 20:51 Dr. John Smith Updated [Narrative]

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