# Accident 20250529004899A: Weatherly Aviation Co Inc 620B, Lewistown, MT, May 29, 2025

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 29, 2025, 19:00 local time
- Place: Lewistown, MT
- Damage: Substantial damage
- Phase of flight: Maneuver
- Operating rules: Agricultural (Part 137)
- Operator: 5KSG
- Location: 47.0000° N, 109.0000° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=47.0000&lon=-109.0000&mi=10
- Aircraft: N90393, registered now (https://openairdocs.org/aircraft/N90393) (OpenAirDocs)
- Registry model: Weatherly 620B (registry code 9630605, https://openairdocs.org/model/weatherly-620b) (OpenAirDocs)
- Registry engine: Pratt & Whitney R-985 series (registry code 52008, https://openairdocs.org/engine/pratt-whitney-r-985-series) (OpenAirDocs)
- Reported make and model: WEATHERLY AVIATION CO INC 620B
- Reported engine: P&W R-985 SERIES
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot
- Pilot flight hours: 1,326 total, 249 in this make and model, 110 in the last 90 days
- NTSB investigation: [NTSB WPR25LA165](https://openairdocs.org/ntsb/WPR25LA165) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20250529004899A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ON MAY 29, 2025, AT 1900 MDT A WEATHERLY 620B CONDUCTING AN AERIAL APPLICATION FLIGHT IN LEWISTOWN, MT SUFFERED SUBSTANTIAL DAMAGE. ON MAY 30, 2025 AT THE SCENE OF THE ACCIDENT THE PILOT GAVE THE FOLLOWING STATEMENT: "AS I CLIMBED THE HILL I REALIZED I DIDNT HAVE THE ALTITUDE OR AIRSPEED TO MAKE ORIGINAL ROUTE OVER THE RIDGE TO THE LEFT SO I TURNED TOWARD THE VALLEY TO THE RIGHT AND BY THE TIME I GOT THE NOSE HEADED DOWNHILL I WAS TOO LOW AND SINKING. I TRIED TO JETTISON THE LOAD BUT MISSED THE LEVER ABOUT THE TIME I HIT THE GROUND."

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR25LA165](https://openairdocs.org/ntsb/WPR25LA165), May 30, 2025: Weatherly 620B (N90393), Lewiston, MT, substantial damage. Probable cause: The pilot’s failure to maintain clearance from terrain while maneuvering at a low altitude.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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