# NTSB investigations: Air Tractor AT-400

A list on [Air Tractor AT-400](https://openairdocs.org/model/air-tractor-at-400.md).

Matched to the registry by N-number and event date, newest first.

- [NTSB WPR18LA234](https://openairdocs.org/ntsb/WPR18LA234.md): Air Tractor AT 400 · Grand Forks, ND · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 21, 2018 · N7300M · Substantial damage
  > The loss of engine power while maneuvering due to the failure of the power turbine blade assembly for reasons that could not be determined based on available evidence.
- [NTSB GAA16CA462](https://openairdocs.org/ntsb/GAA16CA462.md): Air Tractor AT · Hondo, TX · Accident · No injuries · Data collection · Final report · Sep 5, 2016 · N31627 · Substantial damage
  > The pilot’s failure to maintain clearance from an antenna atop a tower while maneuvering at a low altitude and the airplane’s subsequent impact with terrain during an attempted off-airport landing.
- [NTSB CEN15LA182](https://openairdocs.org/ntsb/CEN15LA182.md): Air Tractor AT 400 · Levelland, TX · Accident · Serious injuries · Limited investigation · Final report · Mar 26, 2015 · N136DB · Substantial damage
  > The in-flight separation of the left aileron's attachment hardware at the connection between the long aileron pushrod and the left aileron bellcrank. Contributing to the accident was maintenance personnel’s improper installation of, or failure to install, the…
- [NTSB CEN13LA486](https://openairdocs.org/ntsb/CEN13LA486.md): Air Tractor AT-400 · Dumas, AR · Accident · No injuries · Limited investigation · Final report · Aug 9, 2013 · N36538 · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during landing.
- [NTSB CEN13FA465](https://openairdocs.org/ntsb/CEN13FA465.md): Air Tractor AT-400 · Balko, OK · Accident · 1 fatal · Field investigation · Final report · Aug 5, 2013 · N3159B · Destroyed
  > The pilot's failure maintain clearance from a meteorological tower while en route at a low altitude. Contributing to the accident was the sun's glare.
- [NTSB CEN13LA425](https://openairdocs.org/ntsb/CEN13LA425.md): Air Tractor AT-400 · Steward, IL · Accident · No injuries · Limited investigation · Final report · Jul 19, 2013 · N155HF · Substantial damage
  > The pilot's failure to maintain clearance from the guy wires during an aerial application maneuver. Contributing to the accident was the pilot's failure to identify potential obstructions in the area before beginning low-altitude maneuvers.
- [NTSB CEN11LA593](https://openairdocs.org/ntsb/CEN11LA593.md): Air Tractor AT-400 · Monango, ND · Accident · Serious injuries · Limited investigation · Final report · Aug 23, 2011 · N23720 · Substantial damage
  > The pilot did not maintain adequate separation from a tree during the aerial-application flight.
- [NTSB CEN11LA566](https://openairdocs.org/ntsb/CEN11LA566.md): Air Tractor AT-400 · Nelson, NE · Accident · No injuries · Limited investigation · Final report · Aug 11, 2011 · N3659N · Substantial damage
  > Failure of the fuel control unit's spool cap bearing for reasons that could not be determined during extensive postaccident examination, and the pilot’s decision to shut the engine down without sufficient altitude and distance to reach the runway.
- [NTSB DFW07LA152](https://openairdocs.org/ntsb/DFW07LA152.md): Air Tractor AT-400 · Delhi, LA · Accident · Serious injuries · Limited investigation · Final report · Jul 8, 2007 · N3164N · Substantial damage
  > the pilot's failure to maintain control of the airplane while practicing aerial application turns over a field.
- [NTSB CHI06CA221](https://openairdocs.org/ntsb/CHI06CA221.md): Air Tractor AT-400 · Springfield, MN · Accident · No injuries · Data collection · Final report · Jul 31, 2006 · N23720 · Substantial damage
  > The pilot's inability to maintain directional control of the airplane as a result of the partial failure of the tail wheel assembly. A factor associated with the accident was the crop that the airplane contacted.
- [NTSB FTW04LA201](https://openairdocs.org/ntsb/FTW04LA201.md): Air Tractor AT-400 · Clayton, LA · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 2004 · N3159W · Destroyed
  > The pilot's failure to maintain clearance from the high tension power lines.
- [NTSB FTW03LA004](https://openairdocs.org/ntsb/FTW03LA004.md): Air Tractor AT-400 · Marmaduke, AR · Accident · Minor injuries · Limited investigation · Final report · Oct 2, 2002 · N155HF · Substantial damage
  > The pilot's failure to maintain aircraft control. A contributing factor was the towering cumulus in all quadrants.
- [NTSB FTW01LA137](https://openairdocs.org/ntsb/FTW01LA137.md): Air Tractor AT-400 · Oil Trough, AR · Accident · No injuries · Limited investigation · Final report · Jun 8, 2001 · N400ZR · Substantial damage
  > the pilot's failure to refuel the airplane which resulted in the loss of engine power due to fuel exhaustion. A contributory factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI99FA165](https://openairdocs.org/ntsb/CHI99FA165.md): Air Tractor AT-400 · Elkhart, KS · Accident · 1 fatal · Field investigation · Final report · May 25, 1999 · N400MJ · Destroyed
  > The pilot's inadequate in-flight planning/decision and his inadvertent flight into instrument meteorological conditions which resulted in spatial disorientation and subsequent loss of aircraft control. Contributing to the accident was the poor weather…
- [NTSB ATL99LA085](https://openairdocs.org/ntsb/ATL99LA085.md): Air Tractor AT-400 · Louisville, MS · Accident · No injuries · Limited investigation · Final report · May 13, 1999 · N36493 · Substantial damage
  > Inadequate preflight by the pilot, which resulted in fuel exhaustion, due to an inadequate supply of fuel.
- [NTSB DEN99TA013](https://openairdocs.org/ntsb/DEN99TA013.md): Air Tractor AT-400 · Aztec, NM · Accident · No injuries · Final report · Oct 19, 1998 · N73080 · Substantial damage
  > The pilot's inadequate preflight inspection of the airplane. Factors were the unsecured oil dipstick, the loss of engine oil pressure necessitating a precautionary landing on unsuitable terrain, and the collision with the tree.
- [NTSB LAX98LA233](https://openairdocs.org/ntsb/LAX98LA233.md): Air Tractor AT-400 · Tranquillity, CA · Accident · No injuries · Limited investigation · Final report · Jul 17, 1998 · N2373V · Substantial damage
  > The pilot's failure to detect and avoid a set of wires during a night aerial application flight. Factors in the accident were the pilot's failure to perform an adequate preflight inspection of the field to determine obstruction locations and the dark night…
- [NTSB FTW97LA321](https://openairdocs.org/ntsb/FTW97LA321.md): Air Tractor AT-400 · Sudan, TX · Accident · No injuries · Limited investigation · Final report · Aug 25, 1997 · N3654G · Substantial damage
  > The loss of engine power due to the failure of a compressor turbine blade. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW97LA245](https://openairdocs.org/ntsb/FTW97LA245.md): Air Tractor AT-400A · Church Point, LA · Accident · No injuries · Limited investigation · Final report · Jun 11, 1997 · N36538 · Substantial damage
  > The pilot's improperly performed short field takeoff procedures.
- [NTSB MIA97LA012](https://openairdocs.org/ntsb/MIA97LA012.md): Air Tractor 400 · Sylvester, GA · Accident · Minor injuries · Limited investigation · Final report · Oct 21, 1996 · N73080 · Substantial damage
  > Was the pilots intentional disregard for operating the engine contrary to the flight manuals for intentionally exceeding the maximum engine temperature, resulting in creep failure of one of the compressor turbine blades.
- [NTSB FTW96FA288](https://openairdocs.org/ntsb/FTW96FA288.md): Air Tractor AT-400 · Huffman, TX · Accident · 1 fatal · Field investigation · Final report · Jul 2, 1996 · N501JS · Substantial damage
  > corroded flight control components, due to the operator's inadequate maintenance and inspection of the airplane; the pilot's failure to follow procedures and directives, by flying the airplane without proper maintenance and annual inspection; and subsequent…
- [NTSB CHI95LA278](https://openairdocs.org/ntsb/CHI95LA278.md): Air Tractor AT-400 · Hayti, MO · Accident · 1 fatal · Limited investigation · Final report · Aug 15, 1995 · N2315Z · Destroyed
  > the pilot inadvertently stalled the airplane. A factor was the reduced power setting.
- [NTSB FTW95LA247](https://openairdocs.org/ntsb/FTW95LA247.md): Air Tractor AT-301 · Guymon, OK · Accident · No injuries · Limited investigation · Final report · Jun 16, 1995 · N315PF · Destroyed
  > The pilot's failure to maintain airspeed. The high density altitude was a factor.
- [NTSB FTW94LA086](https://openairdocs.org/ntsb/FTW94LA086.md): Air Tractor AT400 · Widener, AR · Accident · 1 fatal · Limited investigation · Final report · Feb 27, 1994 · N3652D · Destroyed
  > The pilot's loss of control for undetermined reasons.
- [NTSB ATL93LA056](https://openairdocs.org/ntsb/ATL93LA056.md): Air Tractor AT-400 · South Mills, NC · Accident · Minor injuries · Limited investigation · Final report · Feb 5, 1993 · N36521 · Substantial damage
  > The pilot's failure to maintain adequate clearance from trees during an aerial application maneuver. Factors were the trees adjacent to the wheat field, and the soft terrain.
- [NTSB LAX92LA227](https://openairdocs.org/ntsb/LAX92LA227.md): Air Tractor AT 400 · Lemoore, CA · Accident · No injuries · Limited investigation · Final report · Jun 2, 1992 · N7307V · Destroyed
  > The pilot's failure to observe the presence of an obstacle in the field. Factors which contributed to the accident were the dark nighttime light condition, and the small size and color of the obstacle which decreased the conspicuity of the object.
- [NTSB NYC90DGM01](https://openairdocs.org/ntsb/NYC90DGM01.md): Air Tractor AT-400 · Tyrone, PA · Accident · Serious injuries · Final report · May 8, 1990 · N2369N · Destroyed
  > The pilot's failure to maintain adequate clearance from obstructions during low level aerial application operations. The pilot's inadequate visual lookout was a factor.
- [NTSB MKC89LA123](https://openairdocs.org/ntsb/MKC89LA123.md): Air Tractor AT-400 · Poplar Bluff, MO · Accident · No injuries · Limited investigation · Final report · Jun 2, 1989 · N3159W · Substantial damage
  > The pilot in command misjudged the clearance of the aircraft's vertical stabilizer from the power lines.
- [NTSB FTW85LA330](https://openairdocs.org/ntsb/FTW85LA330.md): Air Tractor AT-400 · Oak Ridge, LA · Accident · Minor injuries · Limited investigation · Final report · Aug 23, 1985 · N3656N · Substantial damage
  > The plt stated the acft 'sagged' (settled) during an aerial application maneuver and he leveled the wings to let it recover. However, he did not add power, flaps, or dump the load of almost 300 gallons of spray material he was carrying since he thought it…
- [NTSB MKC84LA178](https://openairdocs.org/ntsb/MKC84LA178.md): Snow AT400 · Portland, AR · Accident · No injuries · Limited investigation · Final report · Jun 18, 1984 · N501JS · 2 aircraft · Substantial damage
  > Both acft were about to touch down. N501PR was above N501JS. The pilot of N501PR stated that just before touchdown the collision occurred and resulted in severing of the tail section of N501PR. The pilot of 501JS stated N501PR flared out to land directly in…
- [NTSB FTW82DA372](https://openairdocs.org/ntsb/FTW82DA372.md): Air Tractor AT-400 · Muleshoe, TX · Accident · No injuries · Final report · Sep 9, 1982 · N2369N · Substantial damage
  > Pilot collided with a water spraying machine while making crop spray pass. Landing gear tore off.
- [NTSB FTW82FRJ16](https://openairdocs.org/ntsb/FTW82FRJ16.md): Air Tractor AT-400 · Jones, LA · Accident · 2 fatal · Final report · Aug 23, 1982 · N2342Z · 2 aircraft · Substantial damage
  > Air Tractor AT-400, N2342Z, and another aircraft, a rockwell international S-2R, N8474V, collided while both aircraft were involved in spraying operatons. The AT-400 pilot was spraying a field that was surrounded by trees. He had just completed a swath run to…
- [NTSB FTW82DA118](https://openairdocs.org/ntsb/FTW82DA118.md): Air Tractor AT-400 · Edna, TX · Accident · No injuries · Final report · Apr 8, 1982 · N36493 · Substantial damage
  > The aircraft landed on an unlighted strip at dusk and collided with a truck. Landing lights on the aircraft were unusable because of a generator failure.
- [NTSB FTW81FQG25](https://openairdocs.org/ntsb/FTW81FQG25.md): Air Tractor AT400 · Patricia, TX · Accident · No injuries · Closed · May 1, 1981 · N36538 · Substantial damage

## 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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.aircraft_model_code IN ('0390202')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/model/air-tractor-at-400/ntsb

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