NTSB investigations: Pratt & Whitney Canada PT6A-34AG
4 cases on aircraft whose registry engine model is Pratt & Whitney Canada PT6A-34AG, where the defining event was Aerodynamic stall/spin. 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
| 2013 | 1 |
|---|---|
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 1 |
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 ('52251')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '241'))
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 ('52251')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '241'))
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 ERA21FA257Accident · 1 fatalClass 3 · FieldFinal reportAir Tractor AT-402B · Kinston, NCThe pilot’s decision to conduct low-level aerobatic maneuvers in an airplane not approved for aerobatic flight, which resulted in an aerodynamic stall and spin, a loss of control, and an impact with terrain.NTSB GAA19CA339Accident · No injuriesData collectionFinal reportAir Tractor AT502 · San Benito, TXThe pilot's improper decision to take off with the airplane near its maximum allowable gross takeoff weight and his subsequent exceedance of the airplane's critical angle of attack during takeoff, which resulted in an aerodynamic stall.NTSB CEN18FA339Accident · 1 fatalField investigationFinal reportAir Tractor AT502 · Bronson, MIThe pilot's failure to maintain airspeed while maneuvering, which resulted in exceedance of the airplane's critical angle of attack, an aerodynamic stall, and loss of control at an altitude too low for recovery.NTSB CEN13LA391Accident · No injuriesLimited investigationFinal reportAir Tractor AT-402B · Ipswich, SDThe pilot’s failure to obtain adequate airspeed during the takeoff roll, which resulted in an aerodynamic stall.