# NTSB investigations: Air Tractor AT-401, TX

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB WPR14CA002](https://openairdocs.org/ntsb/WPR14CA002.md): Air Tractor AT 401 · Waco, TX · Accident · No injuries · Data collection · Final report · Oct 1, 2013 · N1013R · Substantial damage
  > The pilot’s failure to maintain directional control during the takeoff in gusting wind conditions.
- [NTSB CEN13LA152](https://openairdocs.org/ntsb/CEN13LA152.md): Air Tractor AT-401 · Victoria, TX · Accident · No injuries · Limited investigation · Final report · Jan 31, 2013 · N9190B · Substantial damage
  > The mechanical failure of the engine power section, which resulted in a loss of engine power.
- [NTSB CEN10LA503](https://openairdocs.org/ntsb/CEN10LA503.md): Air Tractor AT-401 · Castroville, TX · Accident · No injuries · Limited investigation · Final report · Aug 26, 2010 · N4530L · Substantial damage
  > A loss of engine power due to the failure of the torque sensor bearing.
- [NTSB DFW08CA146](https://openairdocs.org/ntsb/DFW08CA146.md): Air Tractor 401-0860 · Mumford, TX · Accident · No injuries · Data collection · Final report · May 16, 2008 · N15420 · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB DFW06CA152](https://openairdocs.org/ntsb/DFW06CA152.md): Air Tractor AT-401 · Victoria, TX · Accident · No injuries · Data collection · Final report · Jun 3, 2006 · N9190B · Substantial damage
  > The pilot's delay in aborting the takeoff which resulted in an overrun. A contributing factor was the unfavorable wind.
- [NTSB DFW06CA149](https://openairdocs.org/ntsb/DFW06CA149.md): Air Tractor AT-401 · Garden City, TX · Accident · No injuries · Data collection · Final report · Jun 1, 2006 · N7318C · Substantial damage
  > The pilot's improper in-flight planning resulting in the loss of engine power due to fuel exhaustion. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB DFW05IA222](https://openairdocs.org/ntsb/DFW05IA222.md): Air Tractor AT-401 · Winnie, TX · Incident · No injuries · Incident investigation · Final report · Aug 19, 2005 · N4545W · Minor damage
  > The loss of engine power due to the failure of the second-stage turbine wheel as a result of low cycle fatigue.
- [NTSB FTW04LA130](https://openairdocs.org/ntsb/FTW04LA130.md): Air Tractor AT-401 · San Angelo, TX · Accident · No injuries · Limited investigation · Final report · May 19, 2004 · N4508Y · Destroyed
  > The loss of engine power for undetermined reasons. A contributing factor was the soft terrain encountered during the aborted takeoff.
- [NTSB FTW03LA084](https://openairdocs.org/ntsb/FTW03LA084.md): Air Tractor AT-401 · Alamo, TX · Accident · Serious injuries · Limited investigation · Final report · Jan 14, 2003 · N1537R · Substantial damage
  > The pilot's failure to maintain airspeed which resulted in a stall. Low altitude flight is a contributing factor.
- [NTSB FTW02LA245](https://openairdocs.org/ntsb/FTW02LA245.md): Air Tractor AT-401 · Hearne, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 30, 2002 · N9193Y · Substantial damage
  > The pilot's failure to maintain clearance with a pump rig while maneuvering during an aerial application flight. A factor was the object.
- [NTSB FTW00LA212](https://openairdocs.org/ntsb/FTW00LA212.md): Air Tractor AT-401 · Panhandle, TX · Accident · 1 fatal · Limited investigation · Final report · Jul 18, 2000 · N6055W · Destroyed
  > The pilot's failure to maintain airspeed, which resulted in a stall.
- [NTSB FTW99LA239](https://openairdocs.org/ntsb/FTW99LA239.md): Air Tractor AT-401 · Hart, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 25, 1999 · N15119 · Substantial damage
  > The pilot's failure to maintain clearance with power lines.
- [NTSB FTW96LA374](https://openairdocs.org/ntsb/FTW96LA374.md): Air Tractor AT-401 · Brownfield, TX · Accident · No injuries · Limited investigation · Final report · Sep 1, 1996 · N1502F · Substantial damage
  > The pilot's failure to maintain directional control during landing roll. A factor was the crosswind.
- [NTSB FTW96LA370](https://openairdocs.org/ntsb/FTW96LA370.md): Air Tractor AT-401 · Plains, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 30, 1996 · N1558N · Substantial damage
  > failure of the pilot to maintain control of the airplane, while maneuvering after a swath run, which subsequently resulted in a collision with the terrain. A factor relating to the accident was: the adverse wind condition (gusty wind and possible windshear).
- [NTSB FTW95LA358](https://openairdocs.org/ntsb/FTW95LA358.md): Air Tractor AT-401 · Taft, TX · Accident · No injuries · Limited investigation · Final report · Aug 22, 1995 · N9190Q · Destroyed
  > The pilot's diverted attention, which resulted in his failure to assure that clearance was maintained from the transmission line.
- [NTSB FTW95LA256](https://openairdocs.org/ntsb/FTW95LA256.md): Air Tractor AT-401 · Hearne, TX · Accident · No injuries · Limited investigation · Final report · Jun 21, 1995 · N4537L · Destroyed
  > The loss of engine power as result of the failure of the number two cylinder. Factors were the unsuitable terrain available for the forced landing and the pilot's restricted vision due to oil on the windshield.
- [NTSB FTW95LA241](https://openairdocs.org/ntsb/FTW95LA241.md): Air Tractor AT-401 · Denver City, TX · Accident · No injuries · Limited investigation · Final report · Jun 13, 1995 · N15111 · Destroyed
  > The loss of engine power due to a fracture of the #3 cylinder resulting in the total failure of the cylinder. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW92LA131](https://openairdocs.org/ntsb/FTW92LA131.md): Air Tractor AT-401 · Taft, TX · Accident · No injuries · Limited investigation · Final report · May 13, 1992 · N1518V · 2 aircraft · Substantial damage
  > The pilot of the other airplane delayed compensation for turbulence. A factor was the turbulence.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'TX' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0390204', '0390209'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0390204&state=TX

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