Final NTSB investigations: Pratt & Whitney Canada PT6T-3 series

9 cases on aircraft whose registry engine model is Pratt & Whitney Canada PT6T-3 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19822026

Final NTSB investigations: Pratt & Whitney Canada PT6T-3 series per year, 1982–2026: 9 cases
1982	1
1983	1
1993	1
1994	1
2000	1
2002	1
2004	2
2015	1

Where

Open the map

Latest cases

Query with SQL

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."completionStatus" = 'Completed' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52103')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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.\"completionStatus\" = 'Completed'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52103'))
  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."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52103'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 GAA15CA230Accident · Minor injuriesData collectionFinal reportBell 412 · Whittier, CAThe pilot's failure to appropriately monitor the helicopter's fuel supply, resulting in fuel exhaustion, loss of engine power, and an autorotation with a hard landing.Aug 17, 2015 · N412LA · Substantial damage NTSB FTW04IA217Incident · No injuriesIncident investigationFinal reportBell 412 · South Pass 65The failure and separation of the tail rotor gearbox for undetermined reasons.Aug 19, 2004 · N22347 · Minor damage NTSB FTW04LA133Accident · No injuriesLimited investigationFinal reportBell 412 · San Antonio, TXThe pilot's failure to maintain clearance with the parked helicopter while performing a hovering turn.May 23, 2004 · N555BA · Substantial damage NTSB SEA03LA012Accident · No injuriesLimited investigationFinal reportBell 212 · Longview, WAThe pilot's failure to maintain clearance from trees while landing. A contributing factor was trees.Nov 22, 2002 · N82W · Substantial damage NTSB FTW00LA192Accident · Minor injuriesLimited investigationFinal reportAyres S2R-G10 · Brownfield, TXThe loss of engine power due to the blocked engine intake, which resulted from ingesting birds. Factors were the lack of suitable terrain for the forced landing and the pilot's intentional ground loop in an attempt to avoid a ditch.Jul 3, 2000 · N4061H · Substantial damage NTSB BFO94FA071Accident · 4 fatalField investigationFinal reportBell 412/SP · Bluefield, VAThe pilot's failure to intercept the final approach course, and his improper execution of the instrument approach procedure. Factors which contributed to the accident were: the weather conditions, and the failure of the air traffic controller to adequately…Apr 22, 1994 · N70AM · Destroyed NTSB LAX93T#A02Accident · No injuriesClass 3Final reportBell 412 · Topanga, CAMar 31, 1993 · N412LA · No damage NTSB SEA84LA012Accident · No injuriesLimited investigationFinal reportBell 212 · Coos Bay, ORThe helicopter snagged a cable with its skid during takeoff and rolled over. The acft had landed for fuel and was takingoff after refueling when a cable attached to a fertilizer dispencer caught on the helicopter's skid. The acft rolled to the right and…Oct 20, 1983 · N82W · Substantial damage NTSB FTW83IA053Incident · No injuriesIncident investigationFinal reportBell 412 · Intercoastal Ci, LAWhile in cruise flight, the pilots heard a loud pop and felt a severe cyclic control vibration. An immediate precautionary landing was made. An examination revealed that there was a fatigue crack in the trailing edge of the blue, main rotor yoke flexure, pn…Dec 2, 1982 · N2258F · No damage