ASN Wikibase Occurrence # 228981
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information.
If you feel this information is incomplete or incorrect, you can submit corrected information.
| Date: | Wednesday 15 May 2019 |
| Time: | 09:35 |
| Type: | Ace Aviation As-tec 13 |
| Owner/operator: | Private |
| Registration: | G-CKUL |
| MSN: | AA13264 |
| Year of manufacture: | 2017 |
| Engine model: | Simonini Mini 3 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Minor |
| Category: | Accident |
| Location: | 1 nm south of Shotteswell Airfield, Oxfordshire -
 United Kingdom
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Shotteswell Airfield, Oxfordshire |
| Shotteswell Airfield, Oxfordshire | |
| Investigating agency: | AAIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Ace Aviation As-tec 13, G-CKUL suffered an In-flight propeller detachment, on approach to Shotteswell Airfield, Oxfordshire, 15 May 2019. The official AAIB report into the incident was published 12 September 2019, and the following is an excerpt from it:
"After an uneventful local flight the pilot was returning to Shotteswell Airfield at an altitude of 2,100 ft when he noticed the engine speed suddenly increase. He observed that the pusher propeller had detached from the aircraft and so he shut the engine down and commenced a glide descent back to Shotteswell Airfield, which was approximately 1 nautical mile to the north. A successful power-off landing was made.
The flex-wing aircraft’s single-cylinder engine rotates a pusher propeller using a reduction drive belt, driven by a pulley on the engine crankshaft. Drive belt tension may be adjusted using an eccentrically-mounted bearing on the propeller driveshaft. Inspection of the engine revealed that the eccentric bearing assembly and propeller had detached at the support bracket due to a fatigue failure of the bearing support. The propeller was not located following the event."
Damage sustained to airframe: Per the above AAIB report "Propeller detached from aircraft". Following this event, the engine manufacturer issued a safety notice to all owners and operators of the Mini 3 engine, requiring the eccentric bearing support to be replaced before the next flight.
Accident investigation:
 |
|
Sources:
1. AAIB Final Report: https://assets.publishing.service.gov.uk/media/5d51810d40f0b642cc6b5a25/Ace_Aviation_As-tec_13_G-CKUL_09-19.pdf
2. https://www.aceaviation.co.uk/as-tec-13
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Sep-2019 20:39 | Dr. John Smith | Added |
| 24-Dec-2021 09:59 | harro | Updated [Accident report] |
Corrections or additions? ... Edit this accident description
The Aviation Safety Network is an exclusive service provided by:
Quick Links:
| ASN Home | Send Correction / Feedback |
| FSF Home | Disclaimer | Copyright |
| Contact Us | Privacy Policy |
| Press / Media |
CONNECT WITH US:
©2024 Flight Safety Foundation