ASN Wikibase Occurrence # 367698
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| Date: | Friday 17 November 1989 |
| Time: | 21:30 LT |
| Type: |  Beechcraft V35B |
| Owner/operator: | Hansen, Irvin & Constance |
| Registration: | N1809W |
| MSN: | D-9422 |
| Total airframe hrs: | 4100 hours |
| Engine model: | CONTINENTAL IO-520-BA |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Momence, IL -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Pittsburg, PA (KAGL) |
| Boone, IA (KBNW) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE AIRCRAFT WAS IN CRUISE FLIGHT IN NIGHT VFR CONDITIONS, OPERATING ON AN IFR FLIGHT PLAN, WHEN THE ENGINE STARTED TO RUN ROUGH AND THE PILOT NOTICED A LOSS OF OIL PRESSURE. COCKPIT TROUBLESHOOTING PROCEDURES AND ATC'S ATTEMPTS TO VECTOR THE AIRCRAFT TO AN ALTERNATE AIRPORT WERE UNSUCCESSFUL. THE ENGINE FAILED COMPLETELY, AND THE PILOT MADE A NIGHT, GEAR-UP FORCED LANDING IN A PLOWED CORN FIELD. POST-ACCIDENT EXAMINATION OF THE AIRCRAFT REVEALED OIL STREAKED ALONG THE LEFT SIDE OF THE FUSELAGE, FROM THE ENGINE COMPARTMENT TO THE TAIL SECTION. ENGINE INSPECTION/TEARDOWN REVEALED A HOLE IN THE CRANKCASE AT THE #3 CYLINDER, A HOLE IN THE #2 CYLINDER PISTON AT THE PISTON RINGS, AND VIRTUALLY NO USABLE OIL REMAINING IN THE SYSTEM. THERE WAS EVIDENCE OF METAL DEBRIS THROUGHOUT THE OIL SYSTEM, AND THE SIGNS OF OVERHEATING DUE TO OIL EXHAUSTION.
Probable Cause: GRADUAL TOTAL FAILURE OF THE POWERPLANT DUE TO OIL EXHAUSTION DURING A NIGHT CROSS COUNTRY OPERATION, AND THE SUBSEQUENT GEAR-UP FORCED LANDING ON A FROZEN FIELD.
Accident investigation:
 |
|
Sources:
NTSB CHI90LA039
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 22-Mar-2024 17:52 | ASN Update Bot | Added |
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