NTSB Identification: CHI85FEX02.
The docket is stored on NTSB microfiche number 28435.
Accident occurred Saturday, June 08, 1985 in GREENFIELD, IN
Aircraft: CESSNA 310C, registration: N1773H
Injuries: 3 Serious.
NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
WHILE EN ROUTE, THE L ENG SUDDENLY LOST POWER & WOULD NOT RESTART, SO THE PLT FEATHERED THE L PROP. AFTER LETTING IT COOL APRX 5 MIN, HE TRIED RESTARTING IT AGAIN, BUT STILL WAS UNABLE. HE STATED HE THOUGHT HE THEN SECURED (FEATHERED) THE L ENG. THE PLT DIVERTED TOWARD INDIANAPOLIS. HE NOTED THAT THE R ENG BEGAN TO OVERHEAT & LOSE POWER. SUBSEQUENTLY, THE ACFT CRASH LANDED IN A CORN FLD AT NGT WITH THE LNDG GEAR RETRACTED & W/O LNDG LGTS (LGTS WOULD NOT EXTEND). AN EXAMREVEALED FUEL WAS REMAINING IN ALL TANKS. SHERIFF PSNL HAD MOVED THE FUEL SELECTORS WHEN THEY ARRIVED, SO THE SELECTOR POSITIONS WERE NOT VERIFIED. FOUND L THROTTLE FULL FWD, L MIX CTL MID-RANGE, L PROP CTL FULL LOW RPM (NOT FEATHERED). THE L PROP WAS NOT FEATHERED; BUT THE R PROP WAS FEATHERED (PLT SAID HE FEATHERED IT JUST BEFORE IMPACT). A TEARDOWN OF THE L ENG REVEALED THE #4 MAIN BEARING HAD FAILED; BOTTOM HALF OF OIL COOLER WAS 95% BLOCKED FROM SOFT METAL CONTAMIN- ATION, PROP GOV MOUNTING GASKET WAS 75% BLOCKED BY METAL CONTAMINATION; BUT THE L ENG CRANKSHAFT WOULD STILL TURN.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:ENGINE ASSEMBLY,BEARING..FAILURE,TOTAL
The National Transportation Safety Board determines the probable cause(s) of this accident to be:PROPELLER FEATHERING..IMPROPER..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:AIRCRAFT PERFORMANCE,TWO OR MORE ENGINES..UNDETERMINED
LIGHT CONDITION..DARK NIGHT
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