ASN Wikibase Occurrence # 366136
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| Date: | Monday 24 September 1990 |
| Time: | 15:54 LT |
| Type: |  Cessna 310J |
| Owner/operator: | Cahrles Matson |
| Registration: | N3132L |
| MSN: | 310J0132 |
| Year of manufacture: | 1965 |
| Engine model: | LYCOMING IO-470-U |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Colorado Spring, CO -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Colorado Spring, CO |
| (KCOS) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE ON INITIAL CLIMB, THE LEFT ENGINE QUIT. THE PILOT MADE A GEAR UP LANDING IN A FIELD, COMING TO REST ONE-HALF MILE FROM THE END OF THE RUNWAY. THE INVESTIGATION SHOWED THAT THE LEFT PROPELLER HAD NOT BEEN FEATHERED, BUT THE RIGHT PROPELLER SHOWED EVIDENCE OF BEING FEATHERED PRIOR TO IMPACT. AN ENGINE RUN OF THE LEFT ENGINE SHOWED THE UNMETERED FUEL PRESSURE WAS SET TOO HIGH AT IDLE, RESULTING IN ROUGH RUNNING AND ENGINE STOPPAGE. EVIDENCE FROM THE AIRCRAFT LEFT ENGINE LOGBOOK INDICATED A HISTORY OF HARD STARTING, MIXTURE RELATED PROBLEMS AND ROUGH RUNNING. THE OPERATOR HAD KNOWLEDGE OF THESE FAULTS. HE TOLD THE PILOT TO START THE LEFT ENGINE WITH THE MIXTURE LEVER RETARTED TO NEAR IDLE CUTOFF.
Probable Cause: THE LOSS OF POWER ON ONE ENGINE DUE TO EXCESSIVE FUEL PRESSURE AND THE PILOT'S FEATHERING OF THE WRONG PROPELLER. FACTOR(S) WERE: OPERATION OF AIRCRAFT WITH KNOWN DEFICIENCIES BY PILOT AND OPERATOR.
Accident investigation:
 |
|
Sources:
NTSB DEN90LA193
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 17:47 | ASN Update Bot | Added |
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