ASN Wikibase Occurrence # 240706
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| Date: | Saturday 25 July 2020 |
| Time: | 15:52 LT |
| Type: |  Schleicher ASK 23B |
| Owner/operator: | Segelfluggruppe Olten |
| Registration: | HB-1796 |
| MSN: | 23016 |
| Year of manufacture: | 1985 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Zweisimmen Flugplatz (LSTZ) -
 Switzerland
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Zweisimmen Airfield (LSTZ) |
| Zweisimmen Airfield (LSTZ) | |
| Investigating agency: | STSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During a take-off in aerotow, the glider began to oscillate around its transverse axis immediately after take-off and hit the runway hard several times. The pilot released the tow rope and landed the glider next to the runway in a meadowland.
Conclusions
The accident, in which the pilot lost control of the glider during the tow launch as a result of oscillations about the lateral axis, was due to a launch abort initiated too late.
An elevator trim that was set too top-heavy contributed to the accident.
Accident investigation:
 |
|
Sources:
https://www.sust.admin.ch/inhalte/AV-berichte/HB-1796.pdf
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 31-Aug-2020 08:13 | harro | Added |
| 10-Mar-2022 15:19 | harro | Updated [Narrative, Accident report] |
Corrections or additions? ... Edit this accident description
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