Feb 18, 1996
Accident
Substantial WORTHINGTON, MN
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
Progressive failure of the engine, beginning with failure of the left magneto, which resulted in preignition or detonation, a burned hole in the #3 piston, subsequent oil exhaustion, and failure of the #1 and #2 connecting rods.
NTSB CHI96LA093