ASN Wikibase Occurrence # 363412
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| Date: | Thursday 25 June 1992 |
| Time: | 14:10 LT |
| Type: |  Cessna A185F |
| Owner/operator: | Mikkelsen, Alan & Lynette |
| Registration: | N4690C |
| MSN: | 18502597 |
| Year of manufacture: | 1974 |
| Total airframe hrs: | 4100 hours |
| Engine model: | CONTINENTAL IO-520-D |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Ronan, MT -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | St. Ignatius, MT (52S) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT HAD EXPERIENCED A POWER LOSS UPON POWER REAPPLICATION FOLLOWING IDLE OPERATION SUBSEQUENT TO LANDING ON SEVERAL PREVIOUS OCCASIONS. AFTER DISCUSSING THE SYMPTOMS WITH A MECHANIC, AND DECIDING THAT THE FUEL CONTROL SYSTEM REQUIRED ADJUSTMENT, THE PILOT INITIATED A FLIGHT TO THE MECHANIC'S FACILITY TO CARRY OUT THE INTENDED MAINTENANCE WORK. SHORTLY AFTER DEPARTING FOR THE MECHANIC'S AIRSTRIP, AND AT THE COMPLETION OF A 360 DEGREE SPIRALLING DESCENT TO LOSE ALTITUDE PRIOR TO LANDING, THE PILOT REAPPLIED POWER, EXPERIENCED A SURGE AND THEN LOST ENGINE POWER. HE EXECUTED A FORCED LANDING ON SOFT TERRAIN DURING WHICH THE LEFT MAIN GEAR SEPARATED AFTER THE GEAR BEGAN TO DIG IN DURING THE LANDING ROLL. THE FUEL CONTROL METERING UNIT HAD BEEN REPAIRED IN APRIL OF 1991 PRIOR TO THE AIRCRAFT'S SALE AND RELOCATION FROM NEW MEXICO TO MONTANA IN NOVEMBER 1991.
Probable Cause: THE PILOT'S OPERATION WITH KNOWN DEFICIENCIES IN EQUIPMENT AND ERRATIC OPERATION OF THE FUEL CONTROL SYSTEM. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS: SOFT TERRAIN.
Accident investigation:
 |
|
Sources:
NTSB SEA92LA134
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Mar-2024 17:03 | ASN Update Bot | Added |
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