# NTSB investigations: Pratt & Whitney R1340 series: Loss of control in flight

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 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 WPR23LA305](https://openairdocs.org/ntsb/WPR23LA305.md): Grumman Acft ENG Cor-Schweizer G-164A · Davis, CA · Accident · 1 fatal · Class 3 · Limited · Final report · Aug 6, 2023 · N5450 · Substantial damage
  > An inflight loss of control during a low altitude operation for undetermined reasons.
- [NTSB CEN23LA347](https://openairdocs.org/ntsb/CEN23LA347.md): Air Tractor AT-401 · Jamestown, ND · Accident · No injuries · Class 4 · Limited · Final report · Aug 3, 2023 · N6015W · Substantial damage
  > The pilot’s failure to maintain proper airspeed after liftoff, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall.
- [NTSB CEN23LA228](https://openairdocs.org/ntsb/CEN23LA228.md): Grumman Acft ENG Cor-Schweizer G-164 · Saffell, AR · Accident · No injuries · Class 4 · Limited · Final report · May 31, 2023 · N8405K · Substantial damage
  > The airplane’s encounter with a dust devil after takeoff, which resulted in a loss of lift, and a subsequent loss of control. Contributing to the accident was the presence of a dust devil in the airplane’s flight path.
- [NTSB WPR22FA026](https://openairdocs.org/ntsb/WPR22FA026.md): Ayres S-2R · Shafter, CA · Accident · 1 fatal · Class 3 · Field · Final report · Nov 3, 2021 · N8960Q · Substantial damage
  > The pilot’s decision to depart into instrument meteorological conditions, which resulted in spatial disorientation and a subsequent loss of airplane control.
- [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 CEN18LA288](https://openairdocs.org/ntsb/CEN18LA288.md): Air Tractor AT 301 · Milford, IA · Accident · No injuries · Limited investigation · Final report · Jul 22, 2018 · N3169H · Substantial damage
  > The pilot's loss of airplane control during takeoff for reasons that could not be determined because no anomalies consistent with a flight control system malfunction were observed.
- [NTSB WPR18FA155](https://openairdocs.org/ntsb/WPR18FA155.md): North American SNJ 2 · Melville, NY · Accident · 1 fatal · Field investigation · Final report · May 30, 2018 · N62382 · Destroyed
  > The pilot's exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall, spin, and subsequent impact with terrain.
- [NTSB WPR16LA137](https://openairdocs.org/ntsb/WPR16LA137.md): Rockwell International S 2R · Brawley, CA · Accident · No injuries · Limited investigation · Final report · Jun 29, 2016 · N4952X · Substantial damage
  > The airplane’s inability to climb and subsequent impact with terrain for reasons that could not be determined based on the available information.
- [NTSB WPR16FA112](https://openairdocs.org/ntsb/WPR16FA112.md): North American AT 6 · Mesa, AZ · Accident · 2 fatal · Field investigation · Final report · May 18, 2016 · N3198G · Destroyed
  > The pilot's inability to return to the departure airport due to an unspecified in-flight emergency for reasons that could not be determined during a postaccident examination of the airplane.
- [NTSB ANC15FA071](https://openairdocs.org/ntsb/ANC15FA071.md): Dehavilland DHC 3T · Iliamna, AK · Accident · 3 fatal · Field investigation · Final report · Sep 15, 2015 · N928RK · Substantial damage
  > The pilot's decision to depart in dark night, visual meteorological conditions over water, which resulted in his subsequent spatial disorientation and loss of airplane control. Contributing to the accident was the pilot's failure to determine the airplane's…
- [NTSB CEN14CA246](https://openairdocs.org/ntsb/CEN14CA246.md): North American SNJ 6 · Santa Fe, NM · Accident · No injuries · Data collection · Final report · May 18, 2014 · N5485V · Substantial damage
  > The pilot's loss of directional control during landing and subsequent go around attempt.
- [NTSB CEN13LA422](https://openairdocs.org/ntsb/CEN13LA422.md): Grumman Aircraft Cor-Schweizer G-164A · Elmira, MI · Accident · Serious injuries · Limited investigation · Final report · Jul 17, 2013 · N8719H · Substantial damage
  > The pilot's failure to maintain clearance from a line of trees while applying agricultural product to a field.
- [NTSB CEN12CA544](https://openairdocs.org/ntsb/CEN12CA544.md): Schweizer, N36289 G-164B · Kaplan, LA · Accident · Serious injuries · Data collection · Final report · Aug 15, 2012 · N36289 · Substantial damage
  > The pilot's failure to maintain clearance from power lines during the aerial application flight.
- [NTSB CEN12LA324](https://openairdocs.org/ntsb/CEN12LA324.md): North American T-6G · Perry, MI · Accident · 1 fatal · Limited investigation · Final report · May 28, 2012 · N3753G · Substantial damage
  > The pilot’s failure to maintain control while maneuvering at low altitude after takeoff, resulting in a collision with a barn.
- [NTSB WPR11CA286](https://openairdocs.org/ntsb/WPR11CA286.md): Air Tractor AT301 · Circle, MT · Accident · No injuries · Data collection · Final report · Jun 24, 2011 · N2362D · Substantial damage
  > The pilot's failure to attain and maintain an adequate airspeed during initial climb.
- [NTSB ERA10FA163](https://openairdocs.org/ntsb/ERA10FA163.md): North American T6 · Santa Rosa Beach, FL · Accident · 2 fatal · Field investigation · Final report · Mar 6, 2010 · N47LF · Destroyed
  > The pilot's failure to maintain airspeed during a low altitude,over water aerobatic maneuver, which resulted in an aggravated stall/spin. Contributing to the accident were the pilot's loss of situational awareness and his decision to perform aerobatics at a…
- [NTSB WPR09LA270](https://openairdocs.org/ntsb/WPR09LA270.md): Grumman G-164A · Yerington, NV · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 2009 · N9723 · Substantial damage
  > The pilot's failure to maintain aircraft control while maneuvering during an aerial application flight.
- [NTSB CHI08CA223](https://openairdocs.org/ntsb/CHI08CA223.md): Air Tractor AT-301 · Ambia, IN · Accident · No injuries · Data collection · Final report · Jul 26, 2008 · N3169R · Substantial damage
  > The altitude/clearance not obtained/maintained by the pilot while maneuvering over an agricultural field during an aerial application. Contributing factors were the sunglare in the direction of flight, the low altitude of the operation, and the upslope of the…
- [NTSB DFW08CA195](https://openairdocs.org/ntsb/DFW08CA195.md): Grumman 164A · Lake Providence, LA · Accident · Minor injuries · Data collection · Final report · Jul 22, 2008 · N7249 · Substantial damage
  > The pilot's failure to maintain control of the airplane while maneuvering during an aerial application. Contributing to the accident was the wind gust.
- [NTSB MIA08CA078](https://openairdocs.org/ntsb/MIA08CA078.md): Air Tractor AT-301 · Columbus, MS · Accident · Minor injuries · Data collection · Final report · Mar 14, 2008 · N7302C · Substantial damage
  > The failure of the pilot to maintain airspeed while maneuvering.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52016')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '240'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/240/cases?engine=52016

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