No fatalities

2 Jul 2013: AIR TRACTOR AT-402B (N2072D) — TRI-COUNTY AG SERVICE INC — Ipswich, SD

Ipswich, SD, United States

On 2 Jul 2013, an AIR TRACTOR AT-402B (registration N2072D) operated by TRI-COUNTY AG SERVICE INC was involved in an aviation accident near Ipswich, SD. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to obtain adequate airspeed during the takeoff roll, which resulted in an aerodynamic stall. This summary draws on records from NTSB; 13 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

On July 2, 2013, an Air Tractor AT-402B (N2072D) operating for Tri County Ag Service Inc. impacted terrain after takeoff from a private strip near Ipswich, South Dakota. The pilot was not injured; the aircraft sustained substantial damage.

Accident Details

On July 2, 2013, at approximately 1530 central daylight time, an Air Tractor AT-402B, registration N2072D, impacted terrain after departing a private airstrip near Ipswich, South Dakota. The aircraft was operated by Tri County Ag Service Inc. under 14 Code of Federal Regulations Part 137 as an aerial application flight. Visual meteorological conditions prevailed, and no flight plan was filed. The local flight was originating at the time of the accident.

Pilot Report

In a telephone interview, the pilot stated that the aircraft was loaded with 380 gallons of applicant and 170 gallons of fuel prior to departure. During takeoff, he rotated the airplane near the end of the runway, and it lifted off. Immediately after, the airplane experienced a twisting or yawing motion followed by a shudder. The left wing then dropped, and the airplane descended. The left wing made contact with the ground, and the airplane slid to a stop.

Damage

Examination of the aircraft revealed substantial damage to the left wing and fuselage. The pilot reported no injuries.

Aircraft and Operator Information

The Air Tractor AT-402B, N2072D, was registered to Tri County Ag Service Inc. The flight was conducted for aerial application purposes under Part 137. The flight was local and originated from a private strip near Ipswich, South Dakota.

Contributing factors

PilotAirspeed — Not attained/maintained