NTSB investigations: Pratt & Whitney PT6A series
21 cases on aircraft whose registry engine model is Pratt & Whitney PT6A series, where the first occurrence was “Loss of engine power”. 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
| 1998 | 1 |
|---|---|
| 1999 | 3 |
| 2001 | 4 |
| 2002 | 2 |
| 2003 | 1 |
| 2004 | 3 |
| 2005 | 3 |
| 2006 | 2 |
| 2007 | 2 |
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 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')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 350))
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 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')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 350))
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 DFW07LA203Accident · No injuriesLimited investigationFinal reportAir Tractor AT 602 · Floydada, TXA leak in the outer ply of the BeCu bellows. This hole appeared to be the result of pitting corrosion, but the corroding agent was not determined.NTSB CHI07CA259Accident · No injuriesData collectionFinal reportAir Tractor AT-502 · Creston, IAThe loss of engine power due to fuel starvation as a result of the pilot's inadequate fuel calculations.NTSB DFW06CA146Accident · No injuriesData collectionFinal reportAir Tractor AT-802 · Tuckerman, ARThe loss of engine power due to water contamination in the fuel. A contributing factor was the lack of suitable terrain for the forced landing.NTSB DFW06LA121Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-802A · Jasper, TXThe loss of engine power due to fuel exhaustion. A contributing factor was the lack of suitable landing for the pilot to execute the forced landing.NTSB SEA06LA031Accident · Minor injuriesLimited investigationFinal reportCessna 208B · Portland, ORA partial loss of engine power for an undetermined reason during the initial takeoff climb resulting in an in-flight collision with objects.NTSB DFW06LA010Accident · Minor injuriesLimited investigationFinal reportCessna 208 · Round Rock, TXThe loss of engine power due to the failure of the engine-driven fuel pump. A contributing factor was the inadequate inspection of the engine driven fuel pump.NTSB ATL05LA046Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-402A · Bainbridge, GAThe pilot's inadequate management of the fuel supply, which resulted in fuel starvation.NTSB CHI04LA167Accident · No injuriesLimited investigationFinal reportBeech 200 · Green Bay, WIThe loss of engine power after takeoff for an undetermined reason.NTSB FTW04LA166Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-502B · Crowley, LAThe loss of engine power due to fuel exhaustion. A contributing factor was the lack of suitable terrain for the forced landing.NTSB FTW04LA130Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · San Angelo, TXThe loss of engine power for undetermined reasons. A contributing factor was the soft terrain encountered during the aborted takeoff.NTSB ATL03FA082Accident · 1 fatalField investigationFinal reportSocata TBM 700B · Mobile, ALThe improper installation of the power control linkage on the engine fuel control unit by maintenance personnel which resulted in a loss of power lever control, and the pilot's failure to follow emergency procedures and his intentional engine shutdown which…NTSB FTW02LA120Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-502 · Lamesa, TXThe loss of engine power due to contamination of the fuel system. A contributing factor was the lack of suitable terrain for the forced landing.NTSB ATL02LA060Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502 · Schlater, MSan unknown person at an unknown time exceeded the engine temperature limitations that resulted in the failure of compressor turbine and the subsequent loss of engine power during takeoff.NTSB FTW02LA010Accident · No injuriesLimited investigationFinal reportAir Tractor 402 · Angie, LAthe loss of engine power during takeoff for undetermined reasons.NTSB ATL01LA074Accident · No injuriesLimited investigationFinal reportCessna 208B · Ft. Lauderdale, FLThe undetermined malfunction of the propeller system.NTSB SEA01LA080Accident · Minor injuriesLimited investigationFinal reportAyres S2R-T45 · Royal City, WALoss of engine power for undetermined reasons. Trees were a factor.NTSB IAD01LA048Accident · No injuriesLimited investigationFinal reportCessna 208B · Plattsburgh, NYThe incorrect installation of the propeller reversing lever and carbon block assembly, which resulted in a loss of propeller thrust.NTSB MIA99LA257Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-502B · Anguilla, MSThe P3 air line disconnected at the P3 air filter housing , and a 'B' nut not being safetied by maintenance personnel, which resulted in a total loss of engine power.NTSB FTW99LA226Accident · No injuriesLimited investigationFinal reportAir Tractor AT-402 · Snyder, TXThe loss of engine power due to fuel starvation as result of a leak in the engine fuel control. A factor was the lack of suitable terrain for the forced landing.NTSB DEN99LA149Accident · No injuriesLimited investigationFinal reportAir Tractor AT-402A · Mead, COThe pilot's failure to follow proper approach to landing procedures as outlined in the Airplane Flight Manual. A factor was the 6-foot tall corn stalks.NTSB FTW99LA031Accident · No injuriesLimited investigationFinal reportAir Tractor AT-400A · Bunkie, LAThe total loss of engine power for an undetermined reason. A factor was the lack of suitable terrain for the forced landing.