NTSB investigations: Pratt & Whitney PT6A series, 2020
19 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\") = 2020
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") = 2020
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 ERA21LA021Accident · No injuriesClass 3 · LimitedFinal reportBeech 99 · Waterville, MEA failure of the right main landing gear drag leg support fitting and angle bracket as a result of multiple areas of fatigue cracking.NTSB CEN21LA005Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT402 · Egypt, ARThe pilot’s failure to maintain clearance from a tree limb during a low-level aerial application flight.NTSB CEN21LA004Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA46 · Lake Elmo, MNA total loss of engine power for reasons that could not be determined.NTSB CEN20WA423IncidentClass 5 · ForeignCessna 208B · Beef Island, British Virgin IslandsNTSB WPR20CA312Accident · No injuriesClass 4 · Data collectionFinal reportBeechcraft C90A · Fortuna, CAA collision with a deer while landing at night.NTSB WPR20LA246Accident · 2 fatalClass 3 · LimitedFinal reportAir Tractor AT802 · Elgin, NVThe trailing pilot’s failure to maintain separation from the lead airplane during a fire retardant deployment flight, which resulted in the trailing airplane flying through a plume of retardant and the trailing pilot’s subsequent loss of visibility that led…NTSB CEN20LA279Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT502 · Dalhart, TXThe total loss of engine power due to a failed fuel control unit bearing.NTSB CEN20LA234Accident · Serious injuriesClass 3 · LimitedFinal reportAir Tractor AT402 · Pine Bluff, ARThe pilot’s exceedance of the airplane’s critical angle of attack, which led to an aerodynamic stall and a loss of airplane control. Contributing was a partial loss of engine power for undetermined reasons.NTSB CEN20CA221Accident · No injuriesClass 4 · Data collectionFinal reportAir Tractor AT502 · Hiawatha, KSThe pilot’s decision to attempt the takeoff with a tailwind in high density altitude conditions.NTSB CEN20CA190Accident · Minor injuriesClass 4 · Data collectionFinal reportAir Tractor AT502 · Bunkie, LAThe pilot's failure to maintain directional control during takeoff.NTSB CEN20CA153Accident · No injuriesData collectionFinal reportAir Tractor AT 602 · Mamou, LAThe airplane's encounter with a sunken area during takeoff from a turf runway, which resulted in the airplane becoming prematurely airborne and impacting a tree and then terrain.NTSB WPR20LA128Accident · 1 fatalClass 3 · LimitedFinal reportPiper PA31T · Billings, MTThe degraded airplane performance after takeoff for reasons that could not be determined from available evidence.NTSB CEN20LA143Accident · 1 fatalClass 3 · LimitedFinal reportAir Tractor AT 502 · Pecan Gap, TXThe pilot did not maintain adequate clearance from tree, which resulted in a collision with a tree and subsequent impact with terrain.NTSB CEN20LA122Accident · 1 fatalClass 3 · LimitedFinal reportCessna 208 · LaCrosse, KSAn infight loss of control as a result of pilot impairment, the cause of which could not be determined.NTSB CEN20CA103Accident · No injuriesData collectionFinal reportAir Tractor AT 602 · Bunkie, LAThe pilot's failure to lock the tailwheel before landing, which resulted in his loss of directional control during the landing roll, a runway excursion onto soft ground, and a subsequent ground loop.NTSB CEN20LA083Accident · No injuriesClass 3 · LimitedFinal reportPiaggio P180 · Broomfield, COThe pilot’s loss of directional control on the snow-covered runway, which resulted in a runway excursion.NTSB CEN20LA084Accident · No injuriesClass 3 · LimitedFinal reportBeech 200 · St Louis, MOThe pilot’s loss of directional control and the subsequent nose landing gear collapse of for undetermined reasons.NTSB ANC20LA020Accident · No injuriesClass 3 · LimitedFinal reportCessna 208 · Hooper Bay, AKThe pilot’s decision to depart from a contaminated runway, and his failure to make a timely decision to abort the takeoff when the airplane was not accelerating as expected. Contributing to the accident was the pilot’s decision to depart in limited visibility…NTSB ANC20LA015Accident · Serious injuriesClass 3 · LimitedFinal reportBeech 200 · Unalaska, AKThe pilot’s improper decision to takeoff downwind and to load the airplane beyond its allowable gross weight and center of gravity limits, which resulted in an aerodynamic stall and loss of control. Contributing to the accident was the inadequacy of the…