# NTSB investigations: Pratt & Whitney PT6A series, KS 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 CEN24LA193](https://openairdocs.org/ntsb/CEN24LA193.md): Air Tractor AT-502 · Covert, KS · Accident · No injuries · Class 3 · Limited · Final report · May 19, 2024 · N15189 · Substantial damage > The improper maintenance of the fuel control unit, which resulted in air leakage and a loss of control of fuel flow to the engine. - [NTSB CEN21LA286](https://openairdocs.org/ntsb/CEN21LA286.md): Ayres S2R-T34 · Leoti, KS · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 21, 2021 · N4328P · Substantial damage > The pilot’s loss of visibility in the cockpit due to foam created by the chemicals loaded in the hopper, which resulted in his inability to maintain airplane control during low-level flight and an impact with terrain. Contributing to the accident was the… - [NTSB CEN20CA221](https://openairdocs.org/ntsb/CEN20CA221.md): Air Tractor AT502 · Hiawatha, KS · Accident · No injuries · Class 4 · Data collection · Final report · Jun 8, 2020 · N5092J · Substantial damage > The pilot’s decision to attempt the takeoff with a tailwind in high density altitude conditions. - [NTSB CEN20LA122](https://openairdocs.org/ntsb/CEN20LA122.md): Cessna 208 · LaCrosse, KS · Accident · 1 fatal · Class 3 · Limited · Final report · Mar 17, 2020 · N274PM · Destroyed > An infight loss of control as a result of pilot impairment, the cause of which could not be determined. - [NTSB GAA19CA352](https://openairdocs.org/ntsb/GAA19CA352.md): Air Tractor AT402 · Liberal, KS · Accident · No injuries · Data collection · Final report · Jun 17, 2019 · N5044Y · Substantial damage > The pilot's failure to see and avoid a windmill tower while maneuvering at low altitude. - [NTSB GAA19CA328](https://openairdocs.org/ntsb/GAA19CA328.md): Air Tractor AT502 · Monument, KS · Accident · Minor injuries · Data collection · Final report · Jun 7, 2019 · N60642 · Substantial damage > The pilot's failure to maintain altitude due to distraction by ground equipment in the airplane’s path, which resulted in his failure to maintain clearance from crops during an agricultural application flight and resulted in a loss of airplane control. - [NTSB GAA16CA224](https://openairdocs.org/ntsb/GAA16CA224.md): Air Tractor AT 502 · Oberlin, KS · Accident · No injuries · Data collection · Final report · May 8, 2016 · N6181Q · Substantial damage > The pilot's failure to maintain directional control during the landing roll, which resulted in runway excursion, and a ground loop. - [NTSB CEN15FA034](https://openairdocs.org/ntsb/CEN15FA034.md): Raytheon B200 · Wichita, KS · Accident · 4 fatal · Field investigation · Final report · Oct 30, 2014 · N52SZ · Destroyed > The pilot's failure to maintain lateral control of the airplane after a reduction in left engine power and his application of inappropriate rudder input. Contributing to the accident was the pilot's failure to follow the emergency procedures for an engine… - [NTSB CEN14LA211](https://openairdocs.org/ntsb/CEN14LA211.md): Air Tractor AT 502B · Garfield, KS · Accident · 1 fatal · Limited investigation · Final report · Apr 22, 2014 · N51990 · Substantial damage > The pilot’s inadequate preflight planning and subsequent failure to remain clear of power lines while maneuvering low to the ground. - [NTSB CEN13FA049](https://openairdocs.org/ntsb/CEN13FA049.md): Cessna 208B · Wichita, KS · Accident · 1 fatal · Field investigation · Final report · Nov 6, 2012 · N793FE · Substantial damage > The total loss of engine power as a result of a fractured compressor turbine blade due to high-cycle fatigue. - [NTSB CEN12FA521](https://openairdocs.org/ntsb/CEN12FA521.md): Ayres S2R-T34 · Lakin, KS · Accident · No injuries · Field investigation · Final report · Aug 6, 2012 · N365SM · Substantial damage > The pilot's failure to maintain clearance from the corn during an aerial application flight. - [NTSB CEN12LA236](https://openairdocs.org/ntsb/CEN12LA236.md): Ayres S2R-T15 · Lakin, KS · Accident · Serious injuries · Limited investigation · Final report · Apr 9, 2012 · N64DX · Substantial damage > The pilot did not maintain sufficient airspeed while maneuvering, which resulted in an aerodynamic stall at a low altitude. - [NTSB ENG12IA024](https://openairdocs.org/ntsb/ENG12IA024.md): Beech 1900D · Hays, KS · Incident · No injuries · Incident investigation · Final report · Mar 13, 2012 · N178YV · Minor damage > A failure of the nose landing gear end cap due to fatigue. Contributing to the failure were the ineffective inspection and the unknown effect of grain direction on fatigue life. - [NTSB CEN11IA106](https://openairdocs.org/ntsb/CEN11IA106.md): Piper PA-46-500TP · Olathe, KS · Incident · No injuries · Incident investigation · Final report · Oct 21, 2010 · N767TP · No damage > The loss of engine power for undetermined reasons. - [NTSB DEN08LA125](https://openairdocs.org/ntsb/DEN08LA125.md): Air Tractor AT-402B · Deerfield, KS · Accident · Minor injuries · Limited investigation · Final report · Jul 20, 2008 · N61318 · Destroyed > The pilot inadvertently stalling the airplane. Contributing factors in this accident were the pilot intentionally performing low altitude maneuvers (side slips), unporting and starving the engine of fuel, and his initiating a climb at low airspeed. - [NTSB CHI04LA086](https://openairdocs.org/ntsb/CHI04LA086.md): Beech 1900D · Manhattan, KS · Accident · No injuries · Limited investigation · Final report · Mar 15, 2004 · N155ZV · Substantial damage > The captain's improper decision due to his attempt to taxi back onto the runway after coming to a stop in the grass, and the resulting collapse of nose landing gear. Contributing factors were the inoperative nose wheel steering, the pilot's inability to… ## 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" = 'KS' 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 ('52032', '52034')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=52032&state=KS --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.