NTSB investigations: Pratt & Whitney PT6A series, 2012
21 cases on aircraft whose registry engine model is Pratt & Whitney PT6A series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1964 | 1 |
|---|---|
| 1969 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1980 | 3 |
| 1981 | 1 |
| 1982 | 2 |
| 1983 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 5 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 3 |
| 1991 | 5 |
| 1992 | 6 |
| 1993 | 2 |
| 1994 | 9 |
| 1995 | 10 |
| 1996 | 10 |
| 1997 | 23 |
| 1998 | 14 |
| 1999 | 16 |
| 2000 | 20 |
| 2001 | 24 |
| 2002 | 28 |
| 2003 | 34 |
| 2004 | 26 |
| 2005 | 25 |
| 2006 | 21 |
| 2007 | 32 |
| 2008 | 22 |
| 2009 | 19 |
| 2010 | 18 |
| 2011 | 23 |
| 2012 | 21 |
| 2013 | 20 |
| 2014 | 20 |
| 2015 | 15 |
| 2016 | 25 |
| 2017 | 19 |
| 2018 | 15 |
| 2019 | 17 |
| 2020 | 19 |
| 2021 | 9 |
| 2022 | 12 |
| 2023 | 10 |
| 2024 | 18 |
| 2025 | 11 |
| 2026 | 8 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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 year(c.\"eventDate\") = 2012
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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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 year(c."eventDate") = 2012
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" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CEN13FA080Accident · Minor injuriesField investigationFinal reportCessna 208B · Bryans Corner, OKThe total loss of engine power as a result of a fractured compressor turbine blade due to fatigue cracking.NTSB CEN13FA049Accident · 1 fatalField investigationFinal reportCessna 208B · Wichita, KSThe total loss of engine power as a result of a fractured compressor turbine blade due to high-cycle fatigue.NTSB CEN13CA043Accident · Minor injuriesData collectionFinal reportFairchild Heli-Porter Pilatus PC6/B1A-H2 · Georgetown, OHThe pilot's improper recovery from a bounced landing, which resulted in a loss of control.NTSB ERA12CA581Accident · No injuriesData collectionFinal reportCessna 208B · Statesboro, GAThe pilot’s inadequate flare, which resulted in a hard landing.NTSB WPR12LA433Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502 · Firebaugh, CAThe pilot’s decision to continue the takeoff after the engine stopped producing its full-rated torque while operating in high-density altitude conditions and his subsequent failure to maintain clearance from the power transmission wires.NTSB ERA12CA517Accident · No injuriesData collectionFinal reportAir Tractor AT-402B · Gum Neck, NCThe pilot's failure to maintain airplane control during the takeoff roll. Contributing to the accident was the rough condition of the runway.NTSB CEN12CA568Accident · No injuriesData collectionFinal reportAir Tractor AT-502B · Bogata, TXThe pilot’s inadequate preflight planning, which resulted in the airplane’s loading beyond its maximum gross weight.NTSB CEN12FA521Accident · No injuriesField investigationFinal reportAyres S2R-T34 · Lakin, KSThe pilot's failure to maintain clearance from the corn during an aerial application flight.NTSB CEN12LA500Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502B · Newellton, LAThe pilot's inadequate takeoff planning and his use of an improper flap setting, which resulted in a runway excursion and collision with terrain during takeoff.NTSB WPR12FA332Accident · No injuriesField investigationFinal reportPiaggio P180 · Henderson, NVThe failure of maintenance personnel to properly torque the elevator attachment hardware in accordance with the maintenance manual, which led to the detachment of the elevator. Contributing to the accident were maintenance personnel's failure to identify the…NTSB CEN12LA459Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-502B · Wisner, LAThe pilot’s inadequate takeoff planning that did not consider the reduced acceleration due to a rough, turf runway and his use of an improper flap setting, which resulted in a collision with terrain during takeoff.NTSB ERA12LA435Accident · No injuriesLimited investigationFinal reportPiper PA-42 · Charleston, WVThe airplane’s encounter with a gravity-wave duct atmospheric phenomenon.NTSB CEN12LA323Accident · No injuriesLimited investigationFinal reportThrush S2RHG-T65 · Alicia, ARThe pilot of the Thrush did not execute a go-around prior to landing, which resulted in excessive ground speed after touchdown, and his subsequent loss of directional control, which resulted in a collision with the Air Tractor.NTSB CEN12FA312Accident · 1 fatalField investigationFinal reportAir Tractor AT-802A · Sedgwick, ARThe inability of both pilots to see and avoid the other airplane, which resulted in a midair collision. Contributing to the accident was the distraction of the Air Tractor pilot by a cellular telephone conversation during the flight.NTSB WPR12LA220Accident · 1 fatalLimited investigationFinal reportGrumman G 164D · Nicolaus, CAThe pilot’s failure to maintain airplane control during a low-altitude maneuver.NTSB CEN12LA310Accident · No injuriesLimited investigationFinal reportAir Tractor AT-602 · Humnoke, ARThe pilot’s failure to attain the proper touchdown point, which resulted in a landing undershoot.NTSB WPR12TA445Accident · No injuriesFinal reportBeech C90 · Boise, IDExcessive loading on the left wing, which occurred over a period of time. Contributing to the accident was maintenance personnel’s failure to adequately inspect and document the left wing damage.NTSB CEN12CA301Accident · No injuriesData collectionFinal reportAir Tractor AT-502B · El Campo, TXThe pilot's decision to rotate early, the airplane’s subsequent inability to climb, and the pilot’s delayed decision to abort the takeoff.NTSB CEN12LA236Accident · Serious injuriesLimited investigationFinal reportAyres S2R-T15 · Lakin, KSThe pilot did not maintain sufficient airspeed while maneuvering, which resulted in an aerodynamic stall at a low altitude.NTSB CEN12CA221Accident · No injuriesData collectionFinal reportAir Tractor AT-402A · Ganado, TXThe improper positioning of the hopper vent, which allowed chemicals to escape and cover the airplane's windshield.NTSB ENG12IA024Incident · No injuriesIncident investigationFinal reportBeech 1900D · Hays, KSA 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.