# NTSB investigations: Pratt & Whitney R1340 series: Loss of control on ground

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 ERA26LA334](https://openairdocs.org/ntsb/ERA26LA334.md): North American Harvard III · Sanatoga, PA · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 9, 2026 · N407EZ · Substantial damage
  > The pilot’s failure to maintain control of the airplane while landing in a crosswind.
- [NTSB WPR25LA158](https://openairdocs.org/ntsb/WPR25LA158.md): Schweizer G-164B · Butte City, CA · Accident · Minor injuries · Class 4 · Limited · Final report · May 9, 2025 · N7503L · Substantial damage
  > The pilot’s use of engine beta prior to ensuring the tailwheel was on the ground during landing roll.
- [NTSB WPR24LA253](https://openairdocs.org/ntsb/WPR24LA253.md): Canadian Car & Foundry Harvard MK IV · Oshkosh, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 25, 2024 · N52494 · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.
- [NTSB ERA24LA286](https://openairdocs.org/ntsb/ERA24LA286.md): Grumman G-164A · Toccoa, GA · Accident · No injuries · Class 3 · Limited · Final report · Jun 29, 2024 · N7849 · Substantial damage
  > The pilot’s failure to set the engine speed control fully forward during takeoff, resulting in an engine surge and subsequent loss of control during landing.
- [NTSB CEN23LA375](https://openairdocs.org/ntsb/CEN23LA375.md): Schweizer G-164B · Rice, MN · Accident · No injuries · Class 4 · Limited · Final report · Aug 21, 2023 · N943QC · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll with a left crosswind.
- [NTSB CEN23LA241](https://openairdocs.org/ntsb/CEN23LA241.md): Air Tractor AT-401B · Holyoke, CO · Accident · No injuries · Class 4 · Limited · Final report · Jun 15, 2023 · N6106U · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB CEN23LA235](https://openairdocs.org/ntsb/CEN23LA235.md): North American T-6G · Colorado Springs, CO · Accident · No injuries · Class 4 · Limited · Final report · Jun 9, 2023 · N16JV · Substantial damage
  > The pilot’s failure to maintain directional control during landing.
- [NTSB WPR23LA211](https://openairdocs.org/ntsb/WPR23LA211.md): Rockwell International S-2R · Paul, ID · Accident · No injuries · Class 4 · Limited · Final report · Jun 3, 2023 · N4894X · Substantial damage
  > The pilot’s failure to maintain directional control on the takeoff roll, resulting in a runway excursion.
- [NTSB ERA23LA170](https://openairdocs.org/ntsb/ERA23LA170.md): North American T-6G · Lakeland, FL · Accident · No injuries · Class 4 · Limited · Final report · Mar 29, 2023 · N791MH · Substantial damage
  > A loss of control on the ground as a result of left tailwheel steering cable separation.
- [NTSB CEN22LA193](https://openairdocs.org/ntsb/CEN22LA193.md): North American AT-6D · Huntington, IN · Accident · No injuries · Class 4 · Limited · Final report · May 2, 2022 · N515SA · Substantial damage
  > Loss of directional control during landing that resulted in an impact with terrain.
- [NTSB ERA22LA214](https://openairdocs.org/ntsb/ERA22LA214.md): North American SNJ-6 · Greenwood, SC · Accident · No injuries · Class 4 · Limited · Final report · May 1, 2022 · N451WA · Substantial damage
  > The loss of directional control due to a fractured tailwheel steering linkage assembly.
- [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 ERA22LA032](https://openairdocs.org/ntsb/ERA22LA032.md): North American AT-6D · Pickens, SC · Accident · No injuries · Class 4 · Limited · Final report · Oct 24, 2021 · N3771M · Substantial damage
  > The pilot’s failure to maintain directional control during landing, resulting in a runway excursion and collision with rocky terrain.
- [NTSB CEN21LA393](https://openairdocs.org/ntsb/CEN21LA393.md): Air Tractor AT-401B · Storm Lake, IA · Accident · No injuries · Class 4 · Limited · Final report · Sep 1, 2021 · N5081W · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during a landing approach with a tailwind that resulted in a landing overrun and impact with terrain.
- [NTSB WPR20LA175](https://openairdocs.org/ntsb/WPR20LA175.md): Grumman G164 · Lincoln, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 4, 2020 · N8486K · Substantial damage
  > The pilot’s loss of directional control on takeoff for undetermined reasons.
- [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 WPR20LA025](https://openairdocs.org/ntsb/WPR20LA025.md): North American SNJ-4 · Heber City, UT · Accident · No injuries · Class 3 · Limited · Final report · Nov 16, 2019 · N694US · Substantial damage
  > The pilot’s loss of directional control during landing as a result of the separated tailwheel-to-rudder link rod
- [NTSB GAA19CA493](https://openairdocs.org/ntsb/GAA19CA493.md): North American AT 6D · Chino, CA · Accident · No injuries · Data collection · Final report · Aug 10, 2019 · N6432D · Substantial damage
  > The pilot's improper landing flare, which resulted in a bounced landing, and his subsequent exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB CEN19CA237](https://openairdocs.org/ntsb/CEN19CA237.md): North American AT 6F · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Jul 24, 2019 · N7976A · Substantial damage
  > The pilot's loss of directional control during landing with a quartering tailwind, which resulted in a runway excursion and subsequent substantial damage.
- [NTSB GAA18CA414](https://openairdocs.org/ntsb/GAA18CA414.md): North American AT · Moneta, VA · Accident · No injuries · Data collection · Final report · Jul 5, 2018 · N29963 · Substantial damage
  > The pilot's failure to maintain a proper descent rate, which resulted in a bounced landing and his subsequent failure to maintain directional.
- [NTSB WPR18LA015](https://openairdocs.org/ntsb/WPR18LA015.md): Schweizer G 164B · Tracy, CA · Accident · No injuries · Limited investigation · Final report · Oct 24, 2017 · N8494K · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during the landing roll.
- [NTSB GAA17CA459](https://openairdocs.org/ntsb/GAA17CA459.md): Rockwell International S 2R · McRae, GA · Accident · No injuries · Data collection · Final report · Jul 27, 2017 · N4886X · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll in tailwind conditions.
- [NTSB GAA17CA267](https://openairdocs.org/ntsb/GAA17CA267.md): Grumman Acft ENG Cor-Schweizer G 164 · Walnut Ridge, AR · Accident · No injuries · Data collection · Final report · May 8, 2017 · N6944K · Substantial damage
  > The pilot’s failure to maintain directional control during the go-around with a tailwind.
- [NTSB GAA17CA242](https://openairdocs.org/ntsb/GAA17CA242.md): North American SNJ · Van Nuys, CA · Accident · No injuries · Data collection · Final report · Apr 20, 2017 · N7969C · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane during the landing roll with a quartering tailwind.
- [NTSB ERA17CA149](https://openairdocs.org/ntsb/ERA17CA149.md): North American T 6G · Culpepper, VA · Accident · Serious injuries · Data collection · Final report · Apr 8, 2017 · N3167G · Substantial damage
  > The pilot's failure to maintain airplane and directional control during the landing roll and subsequent go-around in gusting wind conditions.
- [NTSB GAA16CA464](https://openairdocs.org/ntsb/GAA16CA464.md): North American SNJ · Perris, CA · Accident · No injuries · Data collection · Final report · Sep 3, 2016 · N7296C · Substantial damage
  > The pilot's inability to compensate for a dust devil during an aborted landing, which resulted in the left wing contacting the ground, a runway excursion, and the airplane coming to rest in a nose-down attitude.
- [NTSB GAA16CA338](https://openairdocs.org/ntsb/GAA16CA338.md): North American SNJ · Jackson, MI · Accident · No injuries · Data collection · Final report · Jun 25, 2016 · N7980C · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion, right main landing gear collapse, and impact with the ground.
- [NTSB CEN16TA194](https://openairdocs.org/ntsb/CEN16TA194.md): North American AT6 · Mason, MI · Accident · No injuries · Final report · May 18, 2016 · N757LF · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll in gusting crosswind conditions, which resulted in a runway excursion and impact with a ditch.
- [NTSB GAA16CA176](https://openairdocs.org/ntsb/GAA16CA176.md): North American AT6 · Yukon, OK · Accident · No injuries · Data collection · Final report · Apr 2, 2016 · N107FG · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll in gusty wind conditions, which resulted in runway excursion and impact with terrain.
- [NTSB WPR15LA186](https://openairdocs.org/ntsb/WPR15LA186.md): Rockwell International S 2R · Washtucna, WA · Accident · Serious injuries · Limited investigation · Final report · Jun 16, 2015 · N8420V · Substantial damage
  > The pilot's failure to maintain directional control while landing with a quartering tailwind.
- [NTSB GAA15CA113](https://openairdocs.org/ntsb/GAA15CA113.md): Grumman Acft ENG Cor-Schweizer G 164A · Bakersfield, CA · Accident · No injuries · Data collection · Final report · Jun 9, 2015 · N8372 · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, resulting in a runway excursion, and a collision with terrain.
- [NTSB ERA14CA394](https://openairdocs.org/ntsb/ERA14CA394.md): North American SNJ-6 · Readington, NJ · Accident · No injuries · Data collection · Final report · Aug 16, 2014 · N211A · Substantial damage
  > The pilot's failure to maintain aircraft control during landing which resulted in an aircraft nose-over.
- [NTSB CEN14CA427](https://openairdocs.org/ntsb/CEN14CA427.md): Air Tractor AT 401B · Cimarron, KS · Accident · Serious injuries · Data collection · Final report · Aug 13, 2014 · N9071Z · Substantial damage
  > The pilot's failure to maintain clearance from the antenna guy wire during an aerial application pass.
- [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 CEN11CA570](https://openairdocs.org/ntsb/CEN11CA570.md): Air Tractor AT-301 · Minot, ND · Accident · No injuries · Data collection · Final report · Aug 3, 2011 · N8764S · Substantial damage
  > The pilot's failure to maintain directional control during the crosswind landing, resulting in a ground loop.
- [NTSB WPR11CA229](https://openairdocs.org/ntsb/WPR11CA229.md): Rockwell International S-2R · Kahlotus, WA · Accident · No injuries · Data collection · Final report · May 18, 2011 · N4996X · Substantial damage
  > The pilot's failure to maintain directional control during takeoff.
- [NTSB CEN11CA174](https://openairdocs.org/ntsb/CEN11CA174.md): Gulfstream-Schweizer A/C Gulfstream AM G-164B · Walnut Ridge, AR · Accident · No injuries · Data collection · Final report · May 10, 2011 · N8402K · Substantial damage
  > The pilot's failure to maintain directional control while landing with a left quartering tailwind and wind gusts.
- [NTSB CEN11CA301](https://openairdocs.org/ntsb/CEN11CA301.md): Ayres S2R-R1340 · Estelline, SD · Accident · No injuries · Data collection · Final report · Apr 25, 2011 · N3104S · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during takeoff.
- [NTSB WPR10CA444](https://openairdocs.org/ntsb/WPR10CA444.md): Schweizer 164B · Murtaugh, ID · Accident · Minor injuries · Data collection · Final report · Sep 2, 2010 · N7502Y · Substantial damage
  > The pilot’s inadequate compensation for the wind and failure to maintain directional control during the takeoff roll.
- [NTSB CEN10CA412](https://openairdocs.org/ntsb/CEN10CA412.md): Air Tractor AT-301 · Edmore, ND · Accident · No injuries · Data collection · Final report · Jul 17, 2010 · N8774S · Substantial damage
  > The pilot's selection of unsuitable terrain for landing.
- [NTSB ERA10CA329](https://openairdocs.org/ntsb/ERA10CA329.md): North American SNJ-4 · Suffolk, VA · Accident · No injuries · Data collection · Final report · Jun 17, 2010 · N43NA · Substantial damage
  > The pilot's failure to maintain directional control during the landing.
- [NTSB CEN10CA201](https://openairdocs.org/ntsb/CEN10CA201.md): Grumman G-164B · Forest City, MO · Accident · No injuries · Data collection · Final report · Apr 8, 2010 · N993QC · Substantial damage
  > The pilot's failure to maintain aircraft control during landing, which resulted in an encounter with wet/muddy terrain and a subsequent nose over.
- [NTSB WPR10CA052](https://openairdocs.org/ntsb/WPR10CA052.md): North American T6-G · Carson City, NV · Accident · No injuries · Data collection · Final report · Nov 8, 2009 · N48N · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [NTSB WPR09LA457](https://openairdocs.org/ntsb/WPR09LA457.md): North American AT-6G · Ely, NV · Accident · No injuries · Limited investigation · Final report · Jul 28, 2009 · N555Q · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB ERA09CA242](https://openairdocs.org/ntsb/ERA09CA242.md): North American SNJ · Bessemer, AL · Accident · No injuries · Data collection · Final report · Apr 14, 2009 · N269WB · Substantial damage
  > The pilot's failure to maintain aircraft control while landing with a crosswind.
- [NTSB ERA09CA135](https://openairdocs.org/ntsb/ERA09CA135.md): North American SNJ-5 · Merritt Island, FL · Accident · No injuries · Data collection · Final report · Jan 16, 2009 · N7861B · Substantial damage
  > The pilot's failure to maintain aircraft control during landing in windy conditions.
- [NTSB CHI08CA295](https://openairdocs.org/ntsb/CHI08CA295.md): North American Harvard MK · Dayton, OH · Accident · Minor injuries · Data collection · Final report · Sep 28, 2008 · N9272C · Substantial damage
  > Improper maintenance on the tail wheel anti-shimmy mechanism and the pilot's decision to continue operating the airplane with a known shimmy in the tail wheel.
- [NTSB DEN08CA154](https://openairdocs.org/ntsb/DEN08CA154.md): North American SNJ-5 · Leadville, CO · Accident · No injuries · Data collection · Final report · Sep 5, 2008 · N9813C · Substantial damage
  > The pilot's failure to maintain aircraft control during takeoff.
- [NTSB CHI08CA198](https://openairdocs.org/ntsb/CHI08CA198.md): Rockwell S2R · Carthage, IL · Accident · No injuries · Data collection · Final report · Jul 18, 2008 · N8466V · Substantial damage
  > The pilot failed to maintain directional control during the takeoff roll. Contributing to the accident were the uneven runway, the runway edge, and the cornfield.
- [NTSB DFW08CA156](https://openairdocs.org/ntsb/DFW08CA156.md): Ayres S-2R · McDonald, KS · Accident · No injuries · Data collection · Final report · May 25, 2008 · N4002R · Substantial damage
  > The pilot's failure to maintain aircraft control during the takeoff. Contributing to the accident was the soft terrain.

## 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" = '230'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/230/cases?engine=52016

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