ASN Wikibase Occurrence # 374942
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| Date: | Friday 6 June 1986 |
| Time: | 13:15 LT |
| Type: |  Cessna 207 |
| Owner/operator: | Private |
| Registration: | N1737U |
| MSN: | 20700307 |
| Total airframe hrs: | 3800 hours |
| Engine model: | CONTINENTAL 10-520-F |
| Fatalities: | Fatalities: 0 / Occupants: 6 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Manokotak, AK -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Manokotak, AK |
| Dillingham, AK (DLG) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING CRUISE FLIGHT THE ENGINE BEGAN TO RUN ROUGH. THE PILOT ATTEMPTED SWITCHING FUEL TANKS BUT THE ENGINE CONTINUED TO RUN ROUGH. THE ENGINE CEASED OPERATION AND DID NOT WINDMILL DURING THE EMERGENCY DESCENT. AN EXAMINATION OF THE ENGINE LATER REVEALED THAT THE CRANKSHAFT HAD FRACTURED IN THE VICINITY OF THE NUMBER 2 AND 3 CRANKSHAFT JOURNAL. THE MODE OF FRACTURE WAS NOT DETERMINED. AN OFF ARPT FORCED LNDG WAS ACCOMPLISHED WITHOUT FURTHER INCIDENT.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB ANC86IA066
History of this aircraft
Other occurrences involving this aircraft
| 27 April 1976 | N1707U | Frontier Flying Service, Inc. | 5 | near Anaktuvuk Pass, AK | |
w/o |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Mar-2024 14:34 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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