# NTSB investigations: Pratt & Whitney R1340 series, 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.

Page 1 of 4 · 185 cases

## Latest cases

- [NTSB CEN25FA388](https://openairdocs.org/ntsb/CEN25FA388.md): North American T-6G · Louise, TX · Accident · 2 fatal · Class 3 · Field · Preliminary report · Sep 20, 2025 · N32SZ · Substantial damage
  > On September 20, 2025, about 1724 central daylight time, a North American T-6G airplane, N32SZ, was destroyed when it was involved in an accident near Lousie, Texas. The pilot and passenger sustained fatal injuries. The airplane was operated as a Title 14…
- [NTSB CEN23LA063](https://openairdocs.org/ntsb/CEN23LA063.md): Rockwell International S2R-G6 · Mission, TX · Accident · No injuries · Class 4 · Limited · Final report · Dec 6, 2022 · N4205X · Substantial damage
  > The pilot's failure to maintain clearance from an electrical box.
- [NTSB CEN22LA187](https://openairdocs.org/ntsb/CEN22LA187.md): North American AT-6D · Fredericksburg, TX · Accident · No injuries · Class 3 · Limited · Final report · Apr 30, 2022 · N29947 · Substantial damage
  > A total loss of engine power due to a failure of the No. 1 cylinder.
- [NTSB CEN22LA101](https://openairdocs.org/ntsb/CEN22LA101.md): North American AT-6C · San Antonio, TX · Accident · No injuries · Class 4 · Limited · Final report · Jan 16, 2022 · N16JG · Substantial damage
  > The pilot’s loss of directional control during landing.
- [NTSB CEN21LA133](https://openairdocs.org/ntsb/CEN21LA133.md): Aero Commander S2R · Alamo, TX · Accident · No injuries · Class 3 · Limited · Final report · Feb 9, 2021 · N5679X · Substantial damage
  > The partial loss of engine power due to water-contaminated fuel.
- [NTSB CEN20CA176](https://openairdocs.org/ntsb/CEN20CA176.md): North American SNJ · San Antonio, TX · Accident · No injuries · Class 4 · Data collection · Final report · May 8, 2020 · N3238G · Substantial damage
  > The pilot's loss of directional control while landing a tailwheel airplane in gusty wind conditions.
- [NTSB GAA19CA277](https://openairdocs.org/ntsb/GAA19CA277.md): Grumman G164 · Pearsall, TX · Accident · Serious injuries · Data collection · Final report · May 21, 2019 · N7500K · Destroyed
  > The pilot's failure to maintain clearance from power lines during low-altitude maneuvering.
- [NTSB GAA19CA270](https://openairdocs.org/ntsb/GAA19CA270.md): Grumman G164 · Lane City, TX · Accident · No injuries · Data collection · Final report · May 15, 2019 · N4865 · Destroyed
  > The pilot's failure to maintain clearance from power lines during low-altitude maneuvering.
- [NTSB CEN18FA147](https://openairdocs.org/ntsb/CEN18FA147.md): North American SNJ 5 · Kingsville, TX · Accident · 2 fatal · Field investigation · Final report · Apr 25, 2018 · N12377 · Destroyed
  > The pilot's failure to maintain airspeed during a steep turn after takeoff, resulting in an exceedance of the airplane's critical angle of attack and a subsequent accelerated stall at an altitude too low for recovery.
- [NTSB CEN17LA151](https://openairdocs.org/ntsb/CEN17LA151.md): Grumman Acft ENG Cor-Schweizer G 164A · Nome, TX · Accident · No injuries · Limited investigation · Final report · Apr 8, 2017 · N971QC · Destroyed
  > An in-flight fire for reasons that could not be determined based on available information.
- [NTSB CEN14LA287](https://openairdocs.org/ntsb/CEN14LA287.md): Air Tractor AT 301 · Pearsall, TX · Accident · No injuries · Limited investigation · Final report · Jun 12, 2014 · N8593S · Substantial damage
  > The failure of the No. 1 cylinder rod at the link pin. Contributing to the accident was oil starvation to the rod bearing due to the improper flushing of the oil cooler, which allowed metal and other debris in the oil to clog the drain and the led to the…
- [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 CEN13LA519](https://openairdocs.org/ntsb/CEN13LA519.md): Gulfstream-Schweizer Gulfstream AM G 164B · Eagle Lake, TX · Accident · No injuries · Limited investigation · Final report · Aug 13, 2013 · N8222K · Substantial damage
  > The failure of one of the engine cylinders, which resulted in the total loss of engine power and subsequent forced landing.
- [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 CEN12LA589](https://openairdocs.org/ntsb/CEN12LA589.md): Air Tractor AT-301 · Ralls, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 29, 2012 · N23960 · Substantial damage
  > The total loss of engine power due to a fatigue failure of the rocker arm journal casting of the rocker arm cap.
- [NTSB CEN11LA556](https://openairdocs.org/ntsb/CEN11LA556.md): Grumman G-164A · El Campo, TX · Accident · No injuries · Limited investigation · Final report · Aug 18, 2011 · N6567 · Substantial damage
  > Separation of the No. 3 cylinder exhaust valve rocker arm, which resulted in a loss of engine power.
- [NTSB CEN11CA330](https://openairdocs.org/ntsb/CEN11CA330.md): Air Tractor AT-301 · Garwood, TX · Accident · No injuries · Data collection · Final report · May 10, 2011 · N5097S · Substantial damage
  > The pilot's failure to maintain adequate clearance from transmission wires during a low-level maneuvering flight.
- [NTSB CEN10CA553](https://openairdocs.org/ntsb/CEN10CA553.md): Gulfstream-Schweizer A/C Gulfstream AM G-164B · Blessing, TX · Accident · Serious injuries · Data collection · Final report · Sep 21, 2010 · N8157K · Substantial damage
  > The pilot's failure to maintain clearance from wires while maneuvering.
- [NTSB CEN09LA149](https://openairdocs.org/ntsb/CEN09LA149.md): North American T-6G · Cypress, TX · Accident · No injuries · Limited investigation · Final report · Jan 31, 2009 · N51KT · 2 aircraft · Minor damage
  > Both pilot's failure to see and avoid the other aircraft.
- [NTSB DFW08LA223](https://openairdocs.org/ntsb/DFW08LA223.md): Rockwell International S-2R · Uvalde, TX · Accident · No injuries · Limited investigation · Final report · Sep 1, 2008 · N8472V · Substantial damage
  > A total loss of engine power due to the improper use of unauthorized replacement parts in the engine and repeated operation of the engine in an over-temperature condition.
- [NTSB DFW08CA192](https://openairdocs.org/ntsb/DFW08CA192.md): Grumman G-164A · Bovina, TX · Accident · No injuries · Data collection · Final report · Jul 18, 2008 · N7832 · Substantial damage
  > Loss of engine power for undetermined reasons.
- [NTSB DEN08LA105](https://openairdocs.org/ntsb/DEN08LA105.md): Air Tractor AT-301A · Garwood, TX · Accident · No injuries · Limited investigation · Final report · Jun 19, 2008 · N3166H · Destroyed
  > A loss of engine power due to the total failure of the number 2 cylinder.
- [NTSB DEN08CA091](https://openairdocs.org/ntsb/DEN08CA091.md): Grumman-Schweizer G-164A · East Bernard, TX · Accident · No injuries · Data collection · Final report · May 20, 2008 · N5083 · Substantial damage
  > Two engine cylinder exhaust valves stuck open for an undetermined reason, resulting in a loss of engine power.
- [NTSB DEN08LA077](https://openairdocs.org/ntsb/DEN08LA077.md): Gulfstream-Schweizer G-164B · Angleton, TX · Accident · Minor injuries · Limited investigation · Final report · Apr 16, 2008 · N8237K · Destroyed
  > The pilot's inadequate visual lookout and his failure to maintain clearance from the tranmission lines. A factor in this accident was the unmarked transmission wires.
- [NTSB DFW07LA148](https://openairdocs.org/ntsb/DFW07LA148.md): Air Tractor 301 · Lueders, TX · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 2007 · N7305E · Destroyed
  > The pilot's failure to maintain airspeed which resulted in an inadvertent stall and subsequent impact with terrain.
- [NTSB DFW06CA214](https://openairdocs.org/ntsb/DFW06CA214.md): Air Tractor 301 · Big Spring, TX · Accident · No injuries · Data collection · Final report · Sep 23, 2006 · N23260 · Substantial damage
  > A loss of engine power due to fuel exhaustion as result of the pilot's failure to refuel the airplane. A contributing factor was the lack of suitable terrain for a forced landing.
- [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 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 DFW05LA175](https://openairdocs.org/ntsb/DFW05LA175.md): North American T-28B · Abilene, TX · Accident · No injuries · Limited investigation · Final report · Jun 24, 2005 · N9060F · 2 aircraft · Substantial damage
  > The pilot's failure to maintain clearance while taxiing. Contributing factors were the pilot's diverted attention and the inaccurate frequency listing for ground control.
- [NTSB DFW05CA003](https://openairdocs.org/ntsb/DFW05CA003.md): Air Tractor AT-301 · Coahoma, TX · Accident · No injuries · Data collection · Final report · Oct 13, 2004 · N8886S · Substantial damage
  > The pilot's failure to maintain directional control during landing. A contributing factor was the lack of suitable terrain for landing.
- [NTSB FTW04LA227](https://openairdocs.org/ntsb/FTW04LA227.md): Grumman 164B · East Bernard, TX · Accident · No injuries · Limited investigation · Final report · Aug 31, 2004 · N8222K · Substantial damage
  > The loss of engine power as result of the failure of the number four cylinder. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW04LA182](https://openairdocs.org/ntsb/FTW04LA182.md): Gulfstream-Schweizer G-164B · Eagle Lake, TX · Accident · No injuries · Limited investigation · Final report · Jul 12, 2004 · N8222K · Substantial damage
  > The loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW04LA164](https://openairdocs.org/ntsb/FTW04LA164.md): Grumman G-164A · Garwood, TX · Accident · No injuries · Limited investigation · Final report · Jun 17, 2004 · N6567 · Substantial damage
  > The separation of the right main landing gear wheel and axle during take-off. Contributing factors were the fatigue of the bolts on the right main landing gear and the rough and uneven terrain.
- [NTSB FTW04LA159](https://openairdocs.org/ntsb/FTW04LA159.md): Ayres S-2R · Eagle Lake, TX · Accident · No injuries · Limited investigation · Final report · Jun 11, 2004 · N3104S · Substantial damage
  > The partial collapse of the left main landing gear as a result of a failure of the fuselage structure due to corrosion.
- [NTSB FTW04LA132](https://openairdocs.org/ntsb/FTW04LA132.md): Air Tractor AT-301 · Donna, TX · Accident · Minor injuries · Limited investigation · Final report · May 21, 2004 · N3168H · Substantial damage
  > The pilot's failure to maintain clearance from the high tension power lines.
- [NTSB FTW04LA021](https://openairdocs.org/ntsb/FTW04LA021.md): Air Tractor AT-301 · San Angelo, TX · Accident · No injuries · Limited investigation · Final report · Nov 12, 2003 · N1361E · Substantial damage
  > The pilot's improper weather evaluation and the wrong runway selection. A contributing factor was the tailwind.
- [NTSB FTW03CA180](https://openairdocs.org/ntsb/FTW03CA180.md): Schweizer G-164B · Vega, TX · Accident · No injuries · Data collection · Final report · Jun 28, 2003 · N7501H · Substantial damage
  > The failure of the left brake for undetermined reasons.
- [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 FTW02LA020](https://openairdocs.org/ntsb/FTW02LA020.md): Air Tractor AT-301 · Morton, TX · Accident · 1 fatal · Limited investigation · Final report · Oct 22, 2001 · N4395S · Destroyed
  > The pilot's loss of control of the airplane during an aerial application maneuver.
- [NTSB FTW01LA209](https://openairdocs.org/ntsb/FTW01LA209.md): Grumman G-164A · Eagle Lake, TX · Accident · No injuries · Limited investigation · Final report · Sep 19, 2001 · N73PB · Destroyed
  > the partial loss of engine power for an undetermined reason, which resulted in an in flight collision with trees and terrain.
- [NTSB FTW01LA184](https://openairdocs.org/ntsb/FTW01LA184.md): Rockwell S-2R · Fabens, TX · Accident · No injuries · Limited investigation · Final report · Aug 17, 2001 · N4890X · Substantial damage
  > the pilot's inadequate preflight resulting in loss of engine power due to fuel exhaustion. A contributing factor was the power line.
- [NTSB FTW01LA156](https://openairdocs.org/ntsb/FTW01LA156.md): Rockwell International S-2R · Sabinal, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 28, 2001 · N4888X · Substantial damage
  > a loss of engine power due to a crack in the #9 cylinder, which result in the failure of the connecting rod during the aerial application flight. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW01LA119](https://openairdocs.org/ntsb/FTW01LA119.md): Grumman-Schweizer G-164B · Rosharon, TX · Accident · No injuries · Limited investigation · Final report · May 15, 2001 · N6778K · Substantial damage
  > the pilot's failure to maintain aircraft control while maneuvering. Factors were the weather conditions and the muddy terrain.
- [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 FTW00LA186](https://openairdocs.org/ntsb/FTW00LA186.md): Rockwell S-2R · Hondo, TX · Accident · No injuries · Limited investigation · Final report · Jun 27, 2000 · N4917X · Substantial damage
  > The fuel exhaustion due to the pilot's failure to refuel the airplane. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW00LA168](https://openairdocs.org/ntsb/FTW00LA168.md): Air Tractor AT-301 · Garwood, TX · Accident · 1 fatal · Limited investigation · Final report · Jun 2, 2000 · N8886S · Substantial damage
  > the loss of engine power in cruise flight as a result of the failure of the right magneto. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW00LA159](https://openairdocs.org/ntsb/FTW00LA159.md): Air Tractor AT-301 · Garwood, TX · Accident · Minor injuries · Limited investigation · Final report · May 30, 2000 · N8594S · Substantial damage
  > The failure of the supercharger seal resulting in the loss of engine power. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW00LA012](https://openairdocs.org/ntsb/FTW00LA012.md): Air Tractor AT-301 · Olton, TX · Accident · Minor injuries · Limited investigation · Final report · Oct 14, 1999 · N23930 · Substantial damage
  > The inflight separation of the propeller blade due to damage from a wire strike. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW99LA252](https://openairdocs.org/ntsb/FTW99LA252.md): Grumman-Schweizer G-164A · Seminole, TX · Accident · Minor injuries · Limited investigation · Final report · Sep 3, 1999 · N7362 · Destroyed
  > The pilot's failure to maintain clearance with powerlines. A factor was the pilot's diverted attention to the light bar for the electronic swath guidance system installed in the airplane.

Next page: https://openairdocs.org/ntsb.md?engine=52016&state=TX&page=2

## 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.engine_model_code IN ('52016'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52016&state=TX

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