ASN Wikibase Occurrence # 381770
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| Date: | Wednesday 8 June 1983 |
| Time: | 14:18 LT |
| Type: |  Cessna TU206G |
| Owner/operator: | Monarch Aviation |
| Registration: | N732ZQ |
| MSN: | U20604747 |
| Total airframe hrs: | 932 hours |
| Engine model: | Continental TSIO-520-M |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Molina, CO -
 United States of America
|
| Phase: | En route |
| Nature: | Executive |
| Departure airport: | Grand Junction, CO |
| Denver, CO (KDEN) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT HAD LEVELED OFF AT 17500 FT MSL WHEN THE ENGINE MADE A DETONATING SOUND AND LOST POWER. MANIFOLD PRESSURE WENT TO ABOUT 12 INCHES. FUEL PRESSURE WAS NORMAL BUT THE CYLINDER HEAD TEMPERATURE FELL RAPIDLY. AT 9000 FT MSL THE ENGINE SURGED TO ABOUT 16 INCHES OF MANIFOLD PRESSURE. WHEN THE PILOT LEANED THE MIXTURE THE ENGINE VIBRATED SEVERELY SO THE PILOT SECURED THE ENGINE. POST ACCIDENT INVESTIGATION REVEALED THAT THE RUBBER HOSE FROM THE TURBOCHARGER COMPRESSOR DUCT TO THE THROTTLE BODY DUCT HAD SEPARATED.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB DEN83LA135
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Apr-2024 06:58 | ASN Update Bot | Added |
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