NTSB Identification: CHI86LA091.
The docket is stored on NTSB microfiche number 30695.
Accident occurred Thursday, February 27, 1986 in WHILE LAKE TWP., MI
Aircraft: CESSNA 210M, registration: N761VX
Injuries: 1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE ACFT WAS FOUR MILES FROM THE ARPT ON AN ILS APCH WHEN AN ENG FAILURE WAS EXPERIENCED. THE ACFT WAS DAMAGED DURING THE FORCED LANDING ON A FROZEN LAKE. POST ACCIDENT ENG TEARDOWN REVEALED THE ENG FAILURE ORIGINATED FROM MOVEMENT OF THE #2 MAIN BEARING. THIS RESULTED IN A BENDING OVERLOAD OF THE CRANKSHAFT AND EVENTUAL SEPARATION OF THE CRANKSHAFT AT THE #3 CHEEK.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

ENGINE ASSEMBLY,BEARING..DISINTEGRATED

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

ENGINE ASSEMBLY,CRANKSHAFT..OVERLOAD

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