Final
None
May 29, 2025
N90393 accident at Lewiston, MT
Weatherly Aviation Co Inc 620B — Low altitude operation/event at Lewiston, MT
DateMay 29, 2025
Tail numberN90393
AircraftWeatherly 620B · W201
LocationLewiston, MT
Phase of flightManeuvering
OperationPart 137 Aerial application
InjuriesNone
NTSB caseWPR25LA165
Probable cause
The pilot’s failure to maintain clearance from terrain while maneuvering at a low altitude.
View the full NTSB report (PDF) →
Get email alerts
Follow any of these and NTSB Alerts emails you when a matching report publishes — including when this case is updated.