ASN Wikibase Occurrence # 364338
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information.
If you feel this information is incomplete or incorrect, you can submit corrected information.
| Date: | Sunday 20 October 1991 |
| Time: | 12:00 LT |
| Type: |  Piper PA-28R-201T |
| Owner/operator: | Private |
| Registration: | N1087H |
| MSN: | 28R-7703013 |
| Total airframe hrs: | 5030 hours |
| Engine model: | CONTINENTAL TSIO-360-FB |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Monticello, UT -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Blanding, UT (KBDG) |
| Rock Springs, WY (RKS | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING CRUISE FLIGHT, ABOUT 5 MIN AFTER PASSING THE MONTICELLO AIRPORT, THE ENGINE BEGAN RUNNING ROUGH. THE PILOT REVERSED COURSE TO RETURN TO THE AIRPORT FOR A PRECAUTIONARY LANDING. AS HE WAS TURNING ONTO BASE LEG, THE ENGINE STOPPED RUNNING. SUBSEQUENTLY, THE AIRCRAFT WAS DAMAGED DURING A FORCED LANDING ABOUT 50 YARDS SHORT OF THE RUNWAY. AN EXAM OF THE ENGINE REVEALED THERE WAS NO OIL IN THE CRANKCASE, A HOLE WAS BURNED IN THE #5 PISTON FROM PRE-IGNITION/DETONATION, THERE WAS EVIDENCE OF ARCING OF THE LEFT MAG AND CONTAMINATION IN THE RIGHT MAG, AND THE FUEL SYSTEM WAS IMPROPERLY ADJUSTED. THE ACFT HAD 88 HOURS OF FLIGHT TIME, SINCE A MAJOR OVERHAUL OF THE ENGINE WAS COMPLETED ON 7/12/91.
Probable Cause: INADEQUATE MAINTENANCE/OVERHAUL OF THE ENGINE, AND SUBSEQUENT FAILURE OF THE #5 PISTON (HOLE BURNED IN PISTON), DUE TO PRE-IGNITION AND/OR DETONATION. ROUGH/UNEVEN TERRAIN IN THE EMERGENCY LANDING AREA WAS A RELATED FACTOR.
Accident investigation:
 |
|
Sources:
NTSB SEA92LA014
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Mar-2024 13:56 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
The Aviation Safety Network is an exclusive service provided by:
Quick Links:
| ASN Home | Send Correction / Feedback |
| FSF Home | Disclaimer | Copyright |
| Contact Us | Privacy Policy |
| Press / Media |
CONNECT WITH US:
©2024 Flight Safety Foundation