No fatalities

Pilot Reports Overweight Takeoff in High Temperature During Grass Airstrip Departure

Wall, SD, United States

On June 9, 2015, an AIR TRACTOR INC AT 401 UNDESIGNAT operated by Cedar Butte Air, Inc. was involved in an aviation accident near Wall, SD. No fatalities were reported. Investigators recorded the probable cause as: The pilot's failure to adjust the airplane's useful load to compensate for the high temperature, which resulted in an insufficient climb rate to clear surrounding terrain, and a runway excursion. 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

During takeoff from a private grass airstrip, the airplane failed to climb above terrain and impacted a wheat field. The pilot cited heavy load and high temperature as factors. Substantial damage occurred.

Overview

A pilot reported an accident during a takeoff from a private grass airstrip. According to the pilot, the airplane would not climb above the terrain at the departure end of the runway. The airplane subsequently impacted the ground and came to rest in a wheat field.

Pilot's Account

The pilot stated that the outside air temperature at the time of the accident was 91 degrees Fahrenheit. He also reported that the airplane was loaded near its maximum gross takeoff weight of 6,000 pounds. In his statement, the pilot said, "The load was too heavy for the weather conditions at this time." He further noted that there were no preimpact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation.

Damage Assessment

The accident resulted in substantial damage to the aircraft. Specifically, the right wing, right aileron, and fuselage sustained damage.

Contributing factors

Causes

PilotAttain/maintain not possible

Other contributing factors

Effect on equipmentMaximum weight

Frequently asked questions

What happened in the 9 Jun 2015 AIR TRACTOR INC AT 401 UNDESIGNAT accident near Wall, SD?

During takeoff from a private grass airstrip, the airplane failed to climb above terrain and impacted a wheat field. The pilot cited heavy load and high temperature as factors. Substantial damage occurred.

Were there any fatalities in the 9 Jun 2015 AIR TRACTOR INC AT 401 UNDESIGNAT accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 9 Jun 2015 involved an AIR TRACTOR INC AT 401 UNDESIGNAT, operated by Cedar Butte Air, Inc., at Wall, SD.

What was the probable cause of the accident?

The pilot's failure to adjust the airplane's useful load to compensate for the high temperature, which resulted in an insufficient climb rate to clear surrounding terrain, and a runway excursion.