ASN Wikibase Occurrence # 38046
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| Date: | Saturday 1 October 1994 |
| Time: | 10:42 LT |
| Type: | Jurca MJ-10 Spitfire |
| Owner/operator: | Mcmurtrie, Donald E. |
| Registration: | N379SF |
| MSN: | OK 1 |
| Total airframe hrs: | 5 hours |
| Engine model: | JAGUAR V-326 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Bartlesville Municipal Airport, Osage County, OK -
 United States of America
|
| Phase: | Approach |
| Nature: | Unknown |
| Departure airport: | (KBVO) |
| (KBVO) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT TOOK OFF AND REMAINED IN THE TRAFFIC PATTERN. WITNESSES SAID HE HAD DIFFICULTY LOWERING THE LANDING GEAR AND BY THE TIME IT WAS FULLY EXTENDED, THE AIRPLANE HAD TURNED FINAL AND WAS HALFWAY DOWN THE RUNWAY. WITNESSES SAID POWER WAS INCREASED, THE NOSE PITCHED UP, THE LEFT WING DROPPED, AND THE AIRPLANE DOVE OR SPUN TO THE GROUND. THE PILOT'S BROTHER SAID THAT ON A PREVIOUS TEST FLIGHT, THE PILOT HAD MADE A FORCED LANDING WHEN THE PROPELLER FEATHERED, AND IT APPEARED TO HIM THE SAME THING HAPPENED ON THIS FLIGHT. THE PROPELLER DISASSEMBLY REPORT INDICATED THE BLADE ANGLE WAS '40 DEGREES TO 45 DEGREES. . . CONSIDERED HIGH FOR A SLOW SPEED IMPACT.' THIS WOULD BE POSSIBLE IF 'THE CONFIGURATION'S OUTPUT CONTROL PRESSURE WAS NOT CAPABLE OF MAINTAINING BLADE ANGLE, AND THAT THE PROPELLER WAS SLIPPING TO COARSE PITCH.' NO OIL LEAKS NOR PROPELLER GOVERNOR ANOMALIES WERE FOUND.
Probable Cause: AN INADVERTENT PILOT-INDUCED STALL AT TOO LOW AN ALTITUDE TO EFFECT A SAFE RECOVERY. FACTORS WERE THE MALFUNCTIONING PROPELLER SYSTEM AND THE UNCOMMANDED FEATHERING OF THE PROPELLER.
Accident investigation:
 |
|
Sources:
NTSB FTW95FA001
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] |
| 09-Apr-2024 18:56 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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