ASN Wikibase Occurrence # 44247
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| Date: | Wednesday 21 December 2005 |
| Time: | 10:15 LT |
| Type: |  Bell 206A Jet Ranger |
| Owner/operator: | Total Air Management Services |
| Registration: | G-WLLY |
| MSN: | 405 |
| Year of manufacture: | 1969 |
| Engine model: | Allison 250-C20 |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | 3 miles NE of Coupar Angus, Tayside -
 United Kingdom
|
| Phase: | En route |
| Nature: | Survey |
| Departure airport: | Cumbernauld (EGPG) |
| Aberdeen (ABZ/EGPD) | |
| Investigating agency: | AAIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot of the helicopter and an observer were carrying out a pipeline inspection flight between Cumbernauld Airport and Aberdeen. Approximately 45 minutes after takeoff, the helicopter descended to low level where debris was seen to fall from its aft section.
Control of the helicopter was lost and it struck the ground, into a field near to Viewbank Farm, 3 miles north-east of Coupa, Angus, Tayside (next to the Perth to Forfar A94), fatally injuring both occupants. The AAIB investigation found that the vertical stabiliser had detached from the tail boom and struck the tail rotor. This subsequently caused the tail rotor and associated gearbox to become detached from the tail boom, resulting in the helicopter’s centre of gravity moving outside controllable limits.
Accident investigation:
 |
|
Sources:
1. NTSB Identification: CHI06WA047 at https://www.ntsb.gov/_layouts/ntsb.aviation/brief2.aspx?_ev_id=20060105X00011&ntsbno=CHI06WA047&akey=1
2. AAIB Special Bulletin: https://assets.publishing.service.gov.uk/media/5422f99940f0b613460007cf/S1-2006__G-WLLY.pdf
3. AAIB Final Report: https://www.gov.uk/aaib-reports/bell-206b-jet-ranger-ii-g-wlly-21-december-2005
4. CAA: https://siteapps.caa.co.uk/g-info/rk=WLLY
5. CAA Safety Recommandation: https://publicapps.caa.co.uk/docs/33/factor200649.pdf
6. http://news.bbc.co.uk/1/hi/scotland/tayside_and_central/7024576.stm
7. Inquest: https://www.scotcourts.gov.uk/opinions/ward.html
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Oct-2008 00:45 | ASN archive | Added |
| 20-May-2013 18:25 | Dr. John Smith | Updated [Cn, Location, Destination airport, Source, Embed code, Narrative] |
| 05-Dec-2014 17:31 | Dr. John Smith | Updated [Time, Location, Departure airport, Source, Embed code, Narrative] |
| 20-Aug-2016 21:11 | Dr.John Smith | Updated [Aircraft type, Destination airport, Source] |
| 22-Dec-2018 08:47 | Aerossurance | Updated [Location, Departure airport, Destination airport, Source, Narrative] |
| 22-Dec-2018 08:48 | Aerossurance | Updated [Departure airport] |
Corrections or additions? ... Edit this accident description
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