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| Date: | Tuesday 11 June 2013 |
| Time: | |
| Type: |  Robinson R44 Raven I |
| Owner/operator: | Aviootryad Varna |
| Registration: | LZ-HAS |
| MSN: | 1902 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Other fatalities: | 0 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Tcherven, Ruse district -
 Bulgaria
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Temporary airfield near the village of Cherven |
| Temporary airfield near the village of Cherven | |
| Investigating agency: | AAIU Bulgaria |
| Confidence Rating: |  Accident investigation report completed and information captured |
During the flight, at a working altitude and speed above the processed area, according to the pilot, the helicopter's power plant partially lost power. The helicopter managed to fly over a road located next to the
processed area and fell into a neighboring field. The helicopter received serious damage. The pilot was not injured.
- Immediate cause:
Collision of the helicopter with the ground during a low-altitude maneuver performed by the pilot-in-command.
- Main cause:
Probable partial loss of engine power and/or piloting errors during maneuvering by the pilot-in-command.
- Contributing factors leading to the occurrence of the aviation accident:
Failure to jettison the unused chemical remaining in the aerial spraying system tank.
Accident investigation:
 |
|
Sources:
ICAO
https://www.mtc.government.bg/upload/docs/2014-08/OK_DOKLAD_LZHAS_WEB.pdf
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Jul-2025 13:42 | HanayoPlus | Updated [Aircraft type, Cn, Operator, Total occupants, Nature, Departure airport, Destination airport, Source, Narrative, ] |
Corrections or additions? ... Edit this accident description
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