ASN Wikibase Occurrence # 131634
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| Date: | Sunday 22 December 1991 |
| Time: | 14:30 LT |
| Type: |  Stinson 108-1 |
| Owner/operator: | Donald Badtram/stephen Innes |
| Registration: | N97962 |
| MSN: | 108-962 |
| Total airframe hrs: | 2391 hours |
| Engine model: | FRANKLIN GA4-150-B3 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Longmont, CO -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | |
| Emporia, KS (KEMD) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
ON INITIAL CLIMB FOLLOWING TAKEOFF, AT A GROSS WEIGHT APPROXIMATELY 50 POUNDS OVER MAXIMUM, THE AIRPLANE WOULD NEITHER CLIMB NOR ACCELERATE. AFTER TURNING CROSSWIND AT 250 FEET AGL AND 1/2 MILE BEYOND THE RUNWAY END, ENGINE RPM BEGAN TO 'CREEP DOWN.' THE PILOT WAS UNABLE TO RESTORE RPM, THEREFORE, A FORCED LANDING WAS PERFORMED IN A PASTURE. THE AIRPLANE COLLIDED WITH A DITCH AND FENCE, NOSED OVER, AND CAUGHT FIRE. AN ENGINE EXAMINATION REVEALED THAT THE SPARK PLUGS WERE FOULED, MAGNETO IMPULSE COUPLING WEAK, AND RUST AND EVIDENCE OF DETONATION WAS PRESENT IN THE CYLINDERS AND ON PISTON DOMES, WHICH DEGRADED POWER AVAILABLE.
Probable Cause: A LOSS OF ENGINE POWER DUE TO FOULED SPARK PLUGS. THE INADEQUATE MAINTENANCE OF THE ENGINE WAS A FACTOR IN THE ACCIDENT.
Accident investigation:
 |
|
Sources:
NTSB DEN92LA017
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 11-Apr-2024 10:48 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Destination airport, Source, Narrative, Accident report] |
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