ASN Wikibase Occurrence # 179213
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| Date: | Wednesday 2 September 2015 |
| Time: | 09:40 LT |
| Type: |  Bell 206B |
| Owner/operator: | Héli-Nord |
| Registration: | C-GYBK |
| MSN: | 1884 |
| Year of manufacture: | 1976 |
| Engine model: | Allison 250-C20 |
| Fatalities: | Fatalities: 2 / Occupants: 5 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | 20nm N of Sept-Îles -
 Canada
|
| Phase: | Approach |
| Nature: | Passenger - Non-Scheduled/charter/Air Taxi |
| Departure airport: | Sept-Îles Airport |
| Remote site 20nm N of Sept-Îles | |
| Investigating agency: | TSB |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
During the final approach, a few feet from the ground, the helicopter began an uncommanded rotation to the right and, after turning a few times, crashed heavily into a rock on its front right side. The male passenger occupying the front left seat and the female passenger occupying the rear central seat sustained fatal injuries. The pilot and the other 2 passengers, who occupied the left and right rear seats, sustained serious injuries.
Findings as to causes and contributing factors:
The helicopter was operating in a flight regime that was conducive to either a loss of tail rotor effectiveness or to the exceedance of the tail rotor's ability to supply the required power, which led to a loss of directional control at an altitude that precluded any recovery. Therefore, the aircraft collided with the terrain.
No in-flight training on loss of tail rotor effectiveness is provided on account of the risks this would entail. Consequently, the pilot was not familiar with the very precise skills required to control the aircraft when such a loss of effectiveness occurred close to the ground.
The pilot's lack of experience on a Bell 206B helicopter with a 62-inch tail rotor prevented him from recognizing the loss of tail rotor effectiveness and counteracting it in a timely manner.
The female passenger sustained fatal abdominal injuries, possibly due to the fact that her lap belt was not fitted correctly.
Accident investigation:
 |
|
Sources:
http://www.cbc.ca/m/touch/news/story/1.3212789
http://www.bst.gc.ca/eng/medias-media/deploiement-deployment/aviation/2015/20150902.asp
http://www.cbc.ca/news/canada/montreal/victims-identified-helicopter-crash-quebec-1.3214180
https://www.flickr.com/photos/tsbcanada/20978973400/in/dateposted/
http://www.bst-tsb.gc.ca/eng/rapports-reports/aviation/2015/a15q0126/a15q0126.asp
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Sep-2015 16:23 | gerard57 | Added |
| 02-Sep-2015 16:43 | gerard57 | Updated [Total occupants, Damage, Narrative] |
| 02-Sep-2015 17:50 | gerard57 | Updated [Aircraft type, Source] |
| 03-Sep-2015 06:38 | gerard57 | Updated [Total fatalities, Other fatalities, Departure airport, Narrative] |
| 03-Sep-2015 20:16 | Aerossurance | Updated [Time, Aircraft type, Registration, Cn, Location, Departure airport, Source, Narrative] |
| 05-Sep-2015 17:14 | Aerossurance | Updated [Source] |
| 03-Apr-2017 14:13 | Aerossurance | Updated [Time, Operator, Location, Phase, Nature, Destination airport, Source, Narrative] |
Corrections or additions? ... Edit this accident description
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