ASN Wikibase Occurrence # 223282
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| Date: | Friday 22 March 2019 |
| Time: | 09:20 LT |
| Type: |  Enstrom 480B-G |
| Owner/operator: | DSA (Delta System Air a.s.) |
| Registration: | OK-CLV |
| MSN: | 5244 |
| Year of manufacture: | 2018 |
| Total airframe hrs: | 65 hours |
| Engine model: | Rolls-Royce 250C20W |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Blažkov -
 Czech Republic
|
| Phase: | En route |
| Nature: | Training |
| Departure airport: | |
| Investigating agency: | UZPLN |
| Confidence Rating: |  Accident investigation report completed and information captured |
An Enstrom 480 B helicopter crashed in a field approximately 100 m east of the village of Blažkov near Nové Město nad Metují. The pilot of the helicopter, a foreign national, together with a pilot-instructor, was conducting a training flight. It was a training flight according to instruments according to the training syllabus approved by the foreign training client. After approximately 1 hour of flight, the pilot performed two 360° left turns. After completing them to a heading of approximately 060° at 4,500 ft, the AMSL smoothly continued to turn right. After completing about 270°, the helicopter went into an unusual "back" attitude. In this position, at a steep angle with the nose pitched approximately 20° below the horizon, it descended rapidly to the ground and exploded upon impact with the ground. The helicopter was completely destroyed by the impact and subsequent fire. The crew perished in the wreckage of the helicopter.
Causes
The cause of the accident was exceeding the VNE's maximum allowable airspeed in an extreme engine descent, when probably after a sharp lift of the collective lever, the streamlines on the receding blade were torn off and the lift on the left half of the rotor disc was lost. The helicopter went into an unusual supine flight attitude which the crew were unable to control.
Accident investigation:
 |
|
Sources:
https://www.radio.cz/en/section/news/two-dead-after-helicopter-crash-in-nachod-area
http://vzpravy.cz/zpravy/hradecko/ostatni-mesta/1517/na-nachodsku-spadl-vrtulnik-po-padu-zacal-horet
https://zpravy.aktualne.cz/regiony/kralovehradecky/na-nachodsku-se-zritil-vrtulnik-po-padu-zacal-horet-meli-v-n/r~58e8851e4c7f11e9b38a0cc47ab5f122/?redirected=1553257997
http://enstromhelicopter.com/helicopters/turbine-480b/
https://helidat.cz/vrtulnik.php?ID=1154&fbclid=IwAR27kpf94pujXzCg3yltdXQUxQ_oeRM7ISjDc6Amd2xLIPYqfCm1xTL2M3k
Media:
— Petra Pavelková (@PetraPavelkov3) 22 mars 2019
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 22-Mar-2019 12:21 | Iceman 29 | Added |
| 22-Mar-2019 12:22 | Iceman 29 | Updated [Source, Narrative] |
| 22-Mar-2019 12:25 | Iceman 29 | Updated [Time, Narrative] |
| 22-Mar-2019 12:26 | Iceman 29 | Updated [Source, Narrative] |
| 22-Mar-2019 12:30 | Iceman 29 | Updated [Embed code] |
| 22-Mar-2019 12:36 | Iceman 29 | Updated [Aircraft type, Operator, Source, Embed code] |
| 22-Mar-2019 14:33 | RobertMB | Updated [Aircraft type, Registration, Cn, Operator, Source, Narrative] |
| 22-Mar-2019 15:20 | ctyone | Updated [Aircraft type, Registration, Cn, Source] |
| 22-Mar-2019 16:28 | RobertMB | Updated [Aircraft type, Source, Narrative] |
| 22-Mar-2019 21:16 | Iceman 29 | Updated [Operator] |
| 23-Mar-2019 11:36 | harro | Updated [Narrative] |
| 23-Mar-2019 18:19 | Jarda Vesely | Updated [Narrative] |
| 31-May-2021 17:41 | harro | Updated [Location, Nature, Narrative, Accident report] |
| 22-Nov-2023 14:55 | harro | Updated [Other fatalities, Narrative] |
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