# Accident 20040623012119A: Airtrc AT401, Britton, SD, June 23, 2004

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 23, 2004, 09:45 local time
- Place: Britton, SD
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Agricultural (Part 137)
- Operator: DAKG
- Location: 45.7894° N, 97.7494° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=45.7894&lon=-97.7494&mi=10
- Aircraft: N1013N, registered now (https://openairdocs.org/aircraft/N1013N) (OpenAirDocs)
- Registry model: Air Tractor AT-402A (registry code 0390206, https://openairdocs.org/model/air-tractor-at-402a) (OpenAirDocs)
- Registry engine: Pratt & Whitney PT6A-20A series (registry code 52139, https://openairdocs.org/engine/pratt-whitney-pt6a-20a-series) (OpenAirDocs)
- Reported make and model: AIRTRC AT401
- Reported engine: PWA R1340AN1
- Fatal injuries: 0
- Pilot flight hours: 11,000 total, 2,500 in this make and model, 120 in the last 90 days
- NTSB investigation: [NTSB CHI04CA162](https://openairdocs.org/ntsb/CHI04CA162) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20040623012119A

## Narrative

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

(-23) PILOT TERRY D. HAVEN WAS SPRAYING CROPS APPROXIMATELY SEVEN MILES NE OF THE BRITTON, SD AIRPORT (BTN). HE FINISHED HIS LAST SPRAY RUN AND WAS HEADING BACK TO THE BRITTON AIRPORT WHEN THE ENGINE STARTED MISSING. THE PILOT TRIED TO SOLVE THE PROBLEM BUT THE ENGINE GOT WORSE. AT APPROXIMATELY 5 MILES FROM THE AIRPORT, THE ENGINE STARTED BACKFIRING AND LOST ALL POWER. THE PILOT ATTEMPTED TO MAKE AN EMERGENCY LANDING ON A ROAD BUT WAS UNABLE DUE TO TRAFFIC. HE HEADED TOWARDS A GRASS FIELD AND LANDED IN A SOFT ROUGH AREA. THE RIGHT LANDING GEAR DUG INTO THE GROUND CAUSING A GROUNDLOOP AND CAUSED THE AIRCRAFT TO FLIP OVER ON ITS BACK CAUSING SUBSTANTIAL DAMAGE TO THE LEFT WING, TOP OF CABIN, RIGHT WING, VERTICAL FIN, PROP, AND LANDING GEAR. THE PILOT STATED HE HAD SOME BRUISES AND MINOR SCRAPES. PILOT STATED 60 GALS OF FUEL AND 2 GALS CHEM. ON A/C.

## 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 CHI04CA162](https://openairdocs.org/ntsb/CHI04CA162), Jun 23, 2004: Air Tractor AT-401 (N1013N), Britton, SD, substantial damage. Probable cause: The loss of engine power due to a stuck exhaust valve and the unsuitable terrain encountered during the forced landing. A factor to the accident was the soft terrain condition.

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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