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| Date: | Sunday 6 June 1999 |
| Time: | 18:05 LT |
| Type: |  Aces High Cuby II |
| Owner/operator: | Private |
| Registration: | G-BVNA |
| MSN: | PFA 257-1258 |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Other fatalities: | 0 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | near the Giant's Causeway, North Antrim coast, Northern Ireland -
 United Kingdom
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Mullaghmore Airfield, County Antrim |
| Mullaghmore Airfield, County Antrim | |
| Investigating agency: | AAIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
G-BVNA was flying near the Giant's Causeway in Northern Ireland with a strong on-shore breeze & was seen to cross the coastline. Witnesses saw G-BVNA at approx 800 feet agl with one of its wings "Folded up about 1/2 to 1/3 along its length" & then saw the aircraft in a descending spiral to the ground.
Both occupants were killed in the impact. Two accompanying microlights experienced severe turbulence & could not land nearby. Weather aftercasts indicated surface wind at 010 degrees/20 knots & 2,000 feet wind at 020 degrees/28 knots.
G-BVNA was the only Cuby II kit imported into the UK. The Canadian manufacturer was later dissolved but production of a derivative aircraft, the Eurocub, continued in Hungary. There had been a static structural test in Hungary but not including torsional loadings.
The wing rib structure was of lightweight construction. Upward failure of the RH outer wing panel resulted from a failure of both spars just inboard of the wing strut, main spar failing first. In the L/H wing, there was incipient buckling damage, putting the left wing close to a similar collapse.
This loading probably included extra load factor applied by rearward stick movement.
CAA Closure: The hazard is adequately controlled by existing requirements, procedures and documentation. Registration G-BVNA cancelled by the CAA on 22 September 1999 ass "destroyed" and owner's "Addressee Status: Deceased"
Accident investigation:
 |
|
Sources:
1. AAIB: http://www.aaib.gov.uk/cms_resources.cfm?file=/dft_avsafety_pdf_501463.pdf
2. CAA: http://www.caa.co.uk/aircraft-registration/
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Mar-2013 07:33 | ryan | Added |
| 25-May-2013 02:38 | Dr. John Smith | Updated [Time, Cn, Other fatalities, Location, Source, Narrative, ] |
| 15-Mar-2015 18:59 | Dr. John Smith | Updated [Operator, Departure airport, Destination airport, Source, Narrative, ] |
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