ASN Wikibase Occurrence # 40380
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| Date: | Thursday 16 September 1999 |
| Time: | 08:46 LT |
| Type: |  Piper J3 Cub |
| Owner/operator: | Michael L. Bertke |
| Registration: | N3223N |
| MSN: | 22415 |
| Total airframe hrs: | 4754 hours |
| Engine model: | Continental A65-8 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Brookville, OH -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | (I62) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane was destroyed on impact with level terrain and a post impact fire. A witness said, 'We saw the plane facing northeast, the plane appeared to be hovering, or facing into the wind and hardly moving forward. He banked out of that, flew a circuit and did the same hovering maneuver again, then went into a spin. We heard the engine cut off, come back on, then go off again. It disappeared below the trees and we saw smoke rise above the trees.' The fuselage aft of the cockpit was bent downward approximately 30 degrees. Control system continuity was established. All flight control cables were found intact. The horizontal stabilizer jackscrew indicated nose down trim. The engine was found to rotate freely and engine continuity was established. The upper set of spark plugs were examined and no anomalies were detected. Thumb compression was established on cylinders 2,3 and 4. Cylinder number 1 was removed and no anomalies were detected. The left magneto was removed and was found to produce a spark when rotated by hand. The right magneto did not produce a spark and had evidence of heat damage.
Probable Cause: the stall/spin encountered by the pilot. A factor was the intentional slow flight.
Accident investigation:
 |
|
Sources:
NTSB CHI99FA343
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 14-Dec-2017 09:04 | ASN Update Bot | Updated [Operator, Departure airport, Source, Narrative] |
| 07-Apr-2024 17:58 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Departure airport, Source, Narrative, Category, Accident report] |
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