NTSB investigations: Pratt & Whitney PT6A series, 2013
20 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\") = 2013
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") = 2013
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 WPR14FA068Accident · 1 fatalField investigationFinal reportCessna 208B · Kalaupapa, HIThe loss of engine power due to the fracture of multiple blades on the compressor turbine wheel, which resulted in a ditching. The reason for the blade failures could not be determined due to secondary thermal damage to the blades.NTSB ANC14MA008Accident · 5 fatalMajor investigationFinal reportCessna 208B · Saint Marys, AKThe pilot's decision to initiate a visual flight rules approach into an area of instrument meteorological conditions at night and the flight coordinators' release of the flight without discussing the risks with the pilot, which resulted in the pilot…NTSB ERA14LA071Accident · No injuriesLimited investigationFinal reportPiper PA-46-500TP · Monroe, NCThe pilot’s operation of the airplane with underinflated tires, which resulted in the right tire’s failure during takeoff and a subsequent runway excursion.NTSB WPR14FA024Accident · No injuriesField investigationFinal reportCessna 208 · Wailea, HIImproper maintenance that resulted in contamination of the engine's compressor turbine disc and blade assembly by glass bead remnants, which resulted in a blade failure.NTSB DCA13FA148Accident · No injuriesField investigationFinal reportBeech 1900D · Telluride, COFailure of the left main landing gear actuator internal lock to engage in the locked position for undetermined reasons.NTSB CEN13LA568Accident · No injuriesLimited investigationFinal reportAir Tractor AT 802 · Gould, ARThe failure of a bearing in the fuel control unit, which resulted in fuel starvation and a total loss of engine power.NTSB CEN13LA421Accident · No injuriesLimited investigationFinal reportCessna 208B · Chicago, ILThe gate agent’s premature removal of the tailstand without confirming with the flight crew that it was safe to remove, which allowed the airplane to tilt backward when a passenger stood up and stepped toward the back of the airplane.NTSB CEN13LA473Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502B · Nauvoo, ILA fatigue failure of an engine compressor turbine blade, which resulted in extensive secondary engine damage and a complete loss of engine power.NTSB CEN13LA414Accident · Minor injuriesLimited investigationFinal reportAyres S2R-T41 · Coy, ARThe propeller’s uncommanded reverse thrust during the landing flare due to improper rigging of the propeller’s governor linkage.NTSB CEN13LA402Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502B · Tillar, ARThe loss of engine throttle control during takeoff due to an unsecured cockpit throttle control pin, which resulted in a runway overrun.NTSB CEN13LA371Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502B · Campbell, NEThe pilot's decision to continue with the takeoff roll despite the airplane's difficulty becoming airborne The high-density altitude likely contributed to the airplane's reduced performance.NTSB CEN13LA353Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-802A · Minot, NDThe pilot’s failure to maintain adequate clearance from trees during an aerial application flight.NTSB WPR13LA233Accident · Minor injuriesLimited investigationFinal reportSchweizer G-164D · Butte City, CAThe pilot's failure to maintain airplane control after an encounter with wake turbulence while maneuvering at low altitude. Contributing to the accident was the pilot’s fatigue due to extended hours of wakefulness and high workload.NTSB CEN13IA270Incident · No injuriesIncident investigationFinal reportPiaggio P180 · Clearwater, FLThe failure of the nose landing gear steering manifold during landing, which resulted in an uncommanded and uncontrollable right turn, and the overhaul facility’s improper overhaul of the nose landing gear steering manifold.NTSB WPR13CA228Accident · No injuriesData collectionFinal reportSocata TBM 700 · Sandy Valley, NVThe pilot's failure to extend the landing gear, which resulted in a gear-up landing.NTSB ERA13FA168Accident · 3 fatalField investigationFinal reportPiper PA-31T · Fort Lauderdale, FLThe pilot's failure to maintain airplane control following an emergency, the nature of which could not be determined because of crash and fire damage, which resulted in an aerodynamic stall.NTSB CEN13LA171Accident · No injuriesLimited investigationFinal reportPiper PA46 · Grand Island, NEThe pilot's failure to maintain airplane control after engine start.NTSB CEN13LA168Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-502 · Forrest City, ARThe in-flight separation of the left aileron's push-pull rod and hardware. Contributing to the accident was the failure of maintenance personnel to apply proper torque to the self-locking nuts.NTSB CEN13FA135Accident · 1 fatalField investigationFinal reportCessna 208B · Pellston, MIThe pilot's inadvertent controlled descent into terrain due to spatial disorientation. Contributing to the accident was lack of visual reference due to night conditions.NTSB CEN13FA131Accident · 3 fatalField investigationFinal reportPiper PA46-500TP · Paris, TXThe pilot's encounter with convective weather, which resulted in a loss of airplane control.