Jul 14, 1999
Accident
Substantial OPHEIM, MT
Injuries1 fatal
Phase of Flight-
ConditionsVMC
OperationFAR 137
Probable Cause
The pilot's failure to maintain an airspeed above stall speed (Vs), resulting in a stall/mush into the terrain during a course reversal at the end of an aerial application run. Factors include hilly terrain and high density altitude.
NTSB SEA99LA118