ASN Wikibase Occurrence # 228566
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| Date: | Sunday 25 August 2019 |
| Time: | 12:40 LT |
| Type: |  RLU-1 Breezy |
| Owner/operator: | Private |
| Registration: | HB-YLX |
| MSN: | CH02 |
| Year of manufacture: | 2005 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Minor |
| Category: | Accident |
| Location: | near Bauma -
 Switzerland
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Speck-Fehraltorf Airfield (LSZK) |
| Speck-Fehraltorf Airfield (LSZK) | |
| Investigating agency: | STSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During cruise flight the engine of the Breezy RLU-1, registered as HB-YLX, failed in the region of Hörnlis at an altitude of about 4000 ft above sea level. The pilot then flew westward into the Tösstal valley. Several restart attempts failed. Finally, the pilot made an emergency landing on a meadow in a westerly direction.
When touching down, the landing gear was damaged to such an extent that the left wing touched the ground and the aircraft was turned by 90° around its vertical axis. The pilot and the passenger remained unharmed. The aircraft suffered slight material damage.
Analysis and conclusions
The cabling of the two electric fuel pumps was designed in such a way that the breakage of a single cable could result in the failure of both pumps. The cable broke because the correctly pressed cable lug lacked a damping for the cable. After the common ground cable broke, the engine failure was inevitable.
In view of the terrain, which is not very suitable for emergency landings, the choice of the emergency landing field can be judged as appropriate and the execution of the emergency landing despite the damage to the aircraft as successful.
Accident investigation:
 |
|
Sources:
https://www.toponline.ch/news/detail/news/kleinflugzeug-muss-im-toesstal-notlanden-00118248/
https://skynews.ch/allgemein/flugunfall-august/
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Aug-2019 06:00 | harro | Added |
| 28-Aug-2019 09:23 | Anon. | Updated [Cn] |
| 27-Aug-2020 09:19 | harro | Updated [Time, Departure airport, Destination airport, Damage, Narrative, Accident report, ] |
| 27-Aug-2020 09:43 | harro | Updated [Narrative, Accident report, ] |
Corrections or additions? ... Edit this accident description
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