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| Date: | Friday 17 May 2019 |
| Time: | 19:20 |
| Type: |  Aérospatiale AS 350B2 Soloy SD2 |
| Owner/operator: | Heli Salzkammergut operated by Heliseven |
| Registration: | D-HFTD |
| MSN: | 1707 |
| Year of manufacture: | 1983 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Other fatalities: | 0 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Puchberg am Schneeberg -
 Austria
|
| Phase: | En route |
| Nature: | External load operation |
| Departure airport: | Fischerhütte |
| Investigating agency: | UUS Austria |
| Confidence Rating: |  Accident investigation report completed and information captured |
The accident occurred during the return flight to the landing site after a transport flight of an external load from the village of Schneebergdörfl to the Fischerhütte on Schneeberg at 2049 m above sea level. After a bang, the pilot noticed that the helicopter could no longer be controlled via the tail rotor.
He unclipped the empty external load rope and initiated an emergency landing. When the helicopter touched down on the ground, an angular momentum about the vertical axis could no longer be prevented, which is why the skid landing gear subsequently broke, whereupon the tail collided with the ground and was thus separated from the helicopter fuselage.
Probable causes
• Collision of the sling load cable with the tail rotor
Probable factors
• Aiding a tail rotor collision due to excessive descent rate greater than 3000 ft/min while maintaining high airspeed (ground speed ca. 130 kt).
• Prevailing southerly wind, which on one side probably worsened the flight performance of the helicopter due to lee turbulences, and on the other side led to tailwind during landing.
• Visibility impaired by patches of clouds, which worsened flight conditions and led to the choice of the seven-meter short sling load cable.
Accident investigation:
 |
|
Sources:
https://www.meinbezirk.at/neunkirchen/c-lokales/hubschrauber-wrack-liegt-vor-schneeberg_a3400032
http://www.rotorspot.nl/current/d-c.php
http://www.heli-salzkammergut.at/airline/index.php
https://www.bmk.gv.at/dam/jcr:e28c2b5a-6af3-4e9d-8b99-a3b78f4a7e23/199517_zb_AS350B2_Schneebergdoerfl_85269.pdf
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-May-2019 07:25 | gerard57 | Added |
| 19-May-2019 16:43 | Medevac | Updated [Registration, Operator, Source, Damage, Narrative] |
| 19-May-2019 16:45 | harro | Updated [Aircraft type, Cn, Source] |
| 19-May-2019 19:03 | gerard57 | Updated [Narrative] |
| 30-Dec-2020 13:30 | Aerossurance | Updated [Source, Narrative] |
| 19-May-2022 15:33 | harro | Updated [Time, Location, Phase, Nature, Narrative, Category] |
| 16-May-2023 20:34 | harro | Updated |
| 03-Jun-2024 09:35 | ASN | Updated [Departure airport, Narrative, Accident report] |
Corrections or additions? ... Edit this accident description
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