ASN Wikibase Occurrence # 148279
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| Date: | Saturday 1 September 2012 |
| Time: | 13:30 |
| Type: |  Aero Vodochody L-39C Albatros |
| Owner/operator: | Private |
| Registration: | N139GS |
| MSN: | 432833 |
| Engine model: | Ivchenko AL-25TL |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Davenport Municipal Airport - KDVN, Davenport, IA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Demo/Airshow/Display |
| Departure airport: | Davenport, IA (DVN) |
| Davenport, IA (DVN) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The accident airplane was one of three airplanes in an airshow performance. After overflying the spectators and while flying away from the flight line, the airplanes executed a “crossover break” maneuver, at the beginning of which the accident airplane was in the left wing position. As planned, the lead airplane would climb while the left wing position airplane would enter a right turn and the right wing position airplane would enter a left turn with adequate longitudinal spacing. During the maneuver, the accident airplane entered the right turn as planned, but then descended and impacted the terrain. A postimpact fire ensued. No evidence of an in-flight collision with either of the other airplanes was observed. Witnesses reported that they did not observe any movement of the airplane's flight control surfaces before the airplane impacted terrain, which would be inconsistent with the pilot attempting to recover from the descent. The postaccident examination did not reveal any preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.
Probable Cause: The loss of airplane control for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded operation.
Accident investigation:
 |
|
Sources:
NTSB
Location
Media:
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Sep-2012 01:04 | gerard57 | Added |
| 02-Sep-2012 01:05 | gerard57 | Updated [Aircraft type] |
| 02-Sep-2012 07:51 | Vaclav Kudela | Updated [Aircraft type, Registration, Cn, Operator, Source] |
| 02-Sep-2012 12:27 | Geno | Updated [Time, Location, Departure airport, Destination airport, Source, Narrative] |
| 03-Sep-2012 10:15 | Hans Gruber | Updated [Source, Embed code] |
| 06-Sep-2012 06:23 | Geno | Updated [Source, Embed code] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 28-Nov-2017 13:24 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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