N31677Air Tractor AT-301 1998-06-25 NTSB Accident Report

Substantial
None

Air Tractor AT-301 S/N: 570

Summary

On June 25, 1998, a Air Tractor AT-301 (N31677) was involved in an incident near Ipswich, SD. All 1 person aboard were uninjured. The aircraft sustained substantial damage.

The National Transportation Safety Board determined the probable cause of this incident to be: The pilot's inadequate evaluation of the weather conditions and his failure to maintain aircraft control which resulted in a stall/mush. Factors associated with the accident were the tailwind condition and the soft terrain.

On June 25, 1998, at 0900 central daylight time, an Air Tractor AT-301, N31677, operated by Tri County Ag Service, Inc., collided with the terrain and nosed over following a loss of control on takeoff from Rappe Field, a private airstrip, in Ipswich, South Dakota. The pilot was not injured. The airplane was substantially damaged. The 14 CFR Part 137 aerial application flight was operating in visual meteorological conditions without a flight plan. The flight was originating at the time of the accident.

The airplane was taking off to the north when the accident occurred. The pilot reported that during the initial takeoff climb, shortly after rotation, a sudden gust of wind from the south was experienced.

This incident is documented in NTSB report CHI98LA217. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N31677.

Accident Details

Date
Thursday, June 25, 1998
NTSB Number
CHI98LA217
Location
IPSWICH, SD
Event ID
20001211X10263
Coordinates
45.440639, -99.020553
Nearest Airport
Aircraft Damage
Substantial
Highest Injury
None
Fatalities
0
Serious Injuries
0
Minor Injuries
0
Uninjured
1
Total Aboard
1

Probable Cause and Findings

the pilot's inadequate evaluation of the weather conditions and his failure to maintain aircraft control which resulted in a stall/mush. Factors associated with the accident were the tailwind condition and the soft terrain.

Aircraft Information

Registration
Make
AIR TRACTOR
Serial Number
570
Year Built
1984
Model / ICAO
AT-301

Registered Owner (Historical)

Name
KOEHN REED A
Address
13365 COUNTY ROAD 24
Status
Deregistered
City
GRUVER
State / Zip Code
TX 79040-6822
Country
United States

Analysis

On June 25, 1998, at 0900 central daylight time, an Air Tractor AT-301, N31677, operated by Tri County Ag Service, Inc., collided with the terrain and nosed over following a loss of control on takeoff from Rappe Field, a private airstrip, in Ipswich, South Dakota. The pilot was not injured. The airplane was substantially damaged. The 14 CFR Part 137 aerial application flight was operating in visual meteorological conditions without a flight plan. The flight was originating at the time of the accident.

The airplane was taking off to the north when the accident occurred. The pilot reported that during the initial takeoff climb, shortly after rotation, a sudden gust of wind from the south was experienced. He reported the airplane stalled and then "mushed." The airplane traveled off the end of the runway into a wet oat field where the airplane nosed over.

The pilot reported the local winds were from the west at 6 knots. The 0856 cdt weather observation for Aberdeen, South Dakota, 19 miles east of the accident site, reported the winds were from 230 degrees at 7 knots.

Data Source

Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# CHI98LA217