No fatalities

AIR TRACTOR INC AT-402B accident at Pierre, SD, 24 Jun 2025

Pierre, SD, United States

On June 24, 2025, an AIR TRACTOR INC AT-402B operated by MIke Ogan Farms was involved in an aviation accident near Pierre, SD. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to maintain clearance with the power lines while maneuvering that resulted in an in-flight collision with the power lines and impact with terrain. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The pilot’s failure to maintain clearance with the power lines while maneuvering that resulted in an in-flight collision with the power lines and impact with terrain.

— NTSB Determination

Contributing factors

PilotAltitude — Not attained/maintained

Frequently asked questions

What happened in the 24 Jun 2025 AIR TRACTOR INC AT-402B accident near Pierre, SD?

The pilot’s failure to maintain clearance with the power lines while maneuvering that resulted in an in-flight collision with the power lines and impact with terrain.

Were there any fatalities in the 24 Jun 2025 AIR TRACTOR INC AT-402B accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 24 Jun 2025 involved an AIR TRACTOR INC AT-402B, operated by MIke Ogan Farms, at Pierre, SD.

What was the probable cause of the accident?

The pilot’s failure to maintain clearance with the power lines while maneuvering that resulted in an in-flight collision with the power lines and impact with terrain.