ASN Wikibase Occurrence # 365119
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| Date: | Sunday 16 June 1991 |
| Time: | 13:00 LT |
| Type: |  Piper PA-22-135 |
| Owner/operator: | Dennis Kt. Kirby/john C Davis |
| Registration: | N1429C |
| MSN: | 22-1183 |
| Year of manufacture: | 1953 |
| Engine model: | LYCOMING O-290-D2 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Sonita, AZ -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Tucson, AZ (KRYN) |
| Ft. Huachuca, AZ (FHU | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING CRUISE FLIGHT, THE AIRPLANE'S ENGINE BEGAN TO RUN ROUGH. THE PILOT EXECUTED EMERGENCY PROCEDURES TO TRY TO REGAIN ADEQUATE POWER. THE POWER WAS NOT RESTORED AND THE AIRCRAFT COULD NOT MAINTAIN LEVEL FLIGHT. THE PILOT EXECUTED A FORCED LANDING TO A FIELD. DURING THE LANDING ROLL, THE AIRCRAFT COLLIDED WITH A DITCH, TRAVELED ABOUT 20 YARDS, AND NOSED OVER. EXAMINATION OF THE AIRCRAFT'S ENGINE REVEALED THAT A PISTON RING IN THE NUMBER 3 CYLINDER WAS BROKEN WHICH ALLOWED BLOW BY IN THE CYLINDER. THE PILOT SAID THAT HE HAD VAPOR LOCK. HE TOLD AN FAA SAFETY INSPECTOR THAT HE HAD USED AUTOMOBILE GAS FOR THE FLIGHT AND THE GAS WAS TRANSPORTED USING 'OLD CANS' FROM HIS FATHER'S HOUSE. NO EVIDENCE WAS FOUND TO INDICATE THAT THE AIRCRAFT'S ENGINE HAD VAPOR LOCK.
Probable Cause: A LOSS OF ENGINE POWER DUE TO A BROKEN PISTON RING IN THE NUMBER 3 CYLINDER, WHICH RESULTED IN THE AIRCRAFT'S INABILITY TO MAINTAIN LEVEL FLIGHT.
Accident investigation:
 |
|
Sources:
NTSB LAX91LA260
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 06:50 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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