Aug 5, 2001
Accident
Substantial Blooming Prairi, MN
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 137
Probable Cause
The reported loss of engine power for undetermined reasons during a the cruise portion of a CFR part 137 observation, and the pilot not following the height/velocity charts data.
NTSB CHI01LA259