ASN Wikibase Occurrence # 44673
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| Date: | Thursday 14 October 2004 |
| Time: | 09:00 |
| Type: |  Glasair II |
| Owner/operator: | Private |
| Registration: | N706C |
| MSN: | 307 |
| Engine model: | Lycoming IO-360 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Hermiston, OR -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Hermiston, OR (HRI) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
After performing a number of low-level aerobatic maneuvers to the east of the airport, the pilot made a low-level pass over the runway from east to west. He then executed a rapid pull-up, and climbed on a near-vertical line. As the aircraft climbed, its airspeed decreased to the point that when the pilot executed a wingover maneuver at the top of the climb, the aircraft entered a spin. It then spun two or three times to the left, before its rotation rate began to decrease. As the rotation rate decreased, the pilot attempted to pull out of the dive, but the aircraft impacted the terrain and immediately burst into flames. There was no indication of any problems with the flight controls, nor any evidence that there had been a malfunction associated with the engine.
Probable Cause: The pilot's failure to maintain an airspeed above stall speed while executing a wingover maneuver at the top of a vertical climb, leading to an inadvertent spin, and the pilot's inadequate remedial action in attempting to recover from the spin. Factors include performing aerobatic maneuvers close to the terrain.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20041019X01651&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Oct-2008 00:45 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Dec-2017 18:27 | ASN Update Bot | Updated [Destination airport, Source, Narrative] |
Corrections or additions? ... Edit this accident description
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