ASN Wikibase Occurrence # 210104
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Date: | Wednesday 24 August 2016 |
Time: | 16:02 |
Type: | HB Flugtechnik HB-207 RG Alpha |
Owner/operator: | Private |
Registration: | HB-YLO |
MSN: | 021 |
Year of manufacture: | 2005 |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | near Bad Ragaz Airport (LSZE) -
Switzerland
|
Phase: | Unknown |
Nature: | Private |
Departure airport: | Samedan (LSZS) |
Destination airport: | |
Investigating agency: | STSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:Forced landing in a field.
Cause
The accident occurred during an emergency field landing when an amateur-built aircraft was damaged because its propulsion system failed due to a failure of the propeller reduction gear drive belts.
The combination of the following factors was determined to be the cause of the drive belt failure:
- Poor execution of maintenance work;
- Unclear instructions on the alignment and tensioning of the propeller reduction gear drive belts;
- Inadequate hardware specifications for propeller support fasteners.
- Subsequently, inappropriate flight tactics resulted in a landing on unfavourable terrain, which increased the extent of damage caused by the incident.
Accident investigation:
|
| |
Investigating agency: | STSB |
Report number: | |
Status: | Investigation completed |
Duration: | 1 year and 8 months |
Download report: | Final report |
|
Sources:
STSB
History of this aircraft
Other occurrences involving this aircraft
14 May 2019 |
HB-YLO |
Private |
1 |
near Birrfeld Airfield (LSZF) |
|
w/o |
Revision history:
Date/time | Contributor | Updates |
29-Apr-2018 07:45 |
harro |
Added |
22-Jan-2021 21:09 |
harro |
Updated [Cn] |
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