ASN Wikibase Occurrence # 23043
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| Date: | Monday 20 May 2002 |
| Time: | 17:49 |
| Type: |  Bell 206L-4 LongRanger IV |
| Owner/operator: | Northern Air Support |
| Registration: | C-FVEF |
| MSN: | 52071 |
| Year of manufacture: | 1995 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | 1nm SE of Three Valley Lake, British Columbia -
 Canada
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Kelowna, BC |
| Golden | |
| Investigating agency: | TSB |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
The Bell 206L4 helicopter, registration C-FVEF, serial number 52071, took off from Kelowna, British Columbia, at 1710 Pacific daylight time, with only the pilot on board. The helicopter was on a visual flight rules flight to Rocky Mountain House, Alberta, with an intermediate refuelling stop at Golden, and was expected to arrive in Golden at about 1830. The planned route from Kelowna to Golden was abeam Vernon, to follow the powerlines through Silver Star Provincial Park and Trinity Hills to Three Valley Lake, then to follow the published visual flight rules route to Revelstoke and on to Golden.
When the helicopter did not arrive in Rocky Mountain House that evening, company personnel alerted the Rescue Coordination Centre in Victoria, and a search was begun. The search was impeded by low cloud and reduced visibility. The helicopter wreckage was located three days after the accident at 3700 feet above sea level, about one nautical mile southeast of Three Valley Lake. The accident occurred at approximately 1749, in daylight and possibly poor weather conditions. The pilot was fatally injured and the helicopter was destroyed. The emergency locator transmitter activated upon impact and transmitted a signal; however, the antenna adapter was severed by impact forces and the signal was attenuated and thus ineffective. There was no fire.
Findings as to Causes and Contributing Factors:
The pilot lost control of the helicopter for undetermined reasons, and it struck the ground.
Findings as to Risk:
The mounting location of the emergency locator transmitter was vulnerable to impact damage, and, as a result, the external antenna adapter was sheared off at impact. The lack of an ELT signal prevented the SAR efforts from quickly detecting and locating the wreckage.
Other Findings:
The degree to which weather conditions contributed to this occurrence could not be determined.
The engine was found to have no mechanical defects and to operate normally, and it was operating at ground impact.
Accident investigation:
 |
|
Sources:
http://www.tsb.gc.ca/eng/rapports-reports/aviation/2002/a02p0096/a02p0096.asp
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2008 01:00 | ASN archive | Added |
| 05-Jun-2011 01:00 | harro | Updated [Date, Time, Registration, Cn, Operator, Location, Departure airport, Destination airport, Source, Narrative] |
Corrections or additions? ... Edit this accident description
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