ASN Wikibase Occurrence # 86997
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| Date: | Friday 24 May 2002 |
| Time: | 11:30 |
| Type: |  Ayres S-2R-T34 Turbo Thrush |
| Owner/operator: | N/A |
| Registration: | N4025Y |
| MSN: | T34-049DC |
| Year of manufacture: | 1981 |
| Engine model: | Pratt & Whitney PT6A-34AG |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Aubrey, Quebec -
 Canada
|
| Phase: | Initial climb |
| Nature: | Agricultural |
| Departure airport: | Aubrey, AR |
| Investigating agency: | NTSB |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
During the initial takeoff climb from a private airstrip, the pilot heard a "loud bang" and the engine lost total power. The pilot executed a forced landing, during which both main landing gear assemblies separated from the airplane and the right wing's spar was damaged. Examination of the engine revealed that the engine compressor turbine blades were fractured at varying heights. Material analysis determined that the blades fractured as a result of overload, and that the blades material conformity was in accordance with the manufacturer's specifications. The compressor's surrounding components, and all downstream components, exhibited damage from the separated compressor turbine blades. The engine had accumulated a total of 14,598 hours since new and had never received a complete overhaul. Pratt
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20020530X00770&key=1
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Dec-2010 12:56 | slowkid | Added |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 09-Dec-2017 16:41 | ASN Update Bot | Updated [Cn, Operator, Departure airport, Source, Narrative] |
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