ASN Wikibase Occurrence # 358472
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| Date: | Saturday 12 August 1995 |
| Time: | 07:15 LT |
| Type: |  Piper PA-30-B |
| Owner/operator: | Private |
| Registration: | N8113Y |
| MSN: | 30-1222 |
| Year of manufacture: | 1966 |
| Total airframe hrs: | 3805 hours |
| Engine model: | LYCOMING IO-320-B1A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Wickenberg, AZ -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Mesa, AZ (KFFZ) |
| (E25) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT WAS PRACTICING TOUCH-AND-GO LANDINGS AND TAKEOFFS. A GROUND WITNESS REPORTED THAT ON THE LAST TAKEOFF AN ENGINE BEGAN TO BACKFIRE. THE AIRPLANE BEGAN TO DESCEND, WHILE THE BACKFIRING CONTINUE, AND DISAPPEARED FROM THE WITNESS' VIEW. ANOTHER PILOT, PRACTICING TOUCH-AND-GO LANDINGS AND TAKEOFFS, OBSERVED THE AIRPLANE LYING NORTHEAST OF THE RUNWAY DEPARTURE END. EXAMINATION OF BOTH ENGINES DISCLOSED NO EVIDENCE OF ANY INTERNAL PREEXISTING MALFUNCTIONS OR FAILURES. THE RIGHT ENGINE MAGNETOS TIMING EXCEEDED THE MANUFACTURERS' SERVICE LIMITS. ACCORDING TO AN ACCESSORY REPAIR TECHNICIAN, NEITHER MAGNETO IS CONSIDERED AIRWORTHY.
Probable Cause: the pilot's improper emergency procedures. The pilot's diverted attention, and the magnetos clearance and timing were factors in this accident.
Accident investigation:
 |
|
Sources:
NTSB LAX95LA290
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Mar-2024 14:47 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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