NTSB investigations: Pratt & Whitney Canada PT6A-135
5 cases on aircraft whose registry engine model is Pratt & Whitney Canada PT6A-135. 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
| 1986 | 1 |
|---|---|
| 2013 | 1 |
| 2020 | 2 |
| 2025 | 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 ('52173'))
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 ('52173'))
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 WPR25LA230Accident · Minor injuriesClass 3 · LimitedPreliminary reportBallisodare Lancair Evolution · Coeur d' Alene, IDOn July 27, 2025, about 1010 Pacific daylight time, an experimental amateur-built Lancair Evolution airplane, N505RF, was destroyed when it was involved in an accident near Coeur d’Alene, Idaho. The pilot and two passengers sustained minor injuries. The…NTSB ERA20LA206Accident · 5 fatalClass 3 · LimitedFinal reportPiper PA 31T · Eatonton, GAThe pilot’s failure to maintain control of the airplane while maneuvering in instrument meteorological conditions, which placed the airplane in an unusual attitude from which the pilot could not recover. Contributing to the accident was the convective and…NTSB ERA20LA192Accident · No injuriesClass 3 · LimitedFinal reportBeech F90 · Knoxville, TNA failure of the left main landing gear scissors, which resulted in a landing gear collapse following a precautionary landing with the landing gear in an intermediate position..NTSB CEN13IA177Incident · No injuriesIncident investigationFinal reportTTX Air Lancair · Indianapolis, INThe pilots' failure to verify landing gear extension before landing.NTSB CHI86LA143Accident · No injuriesLimited investigationFinal reportBeech BE-F90 · Eaton, INThe acft had made a stop at muncie to pick up a fourth passenger. After boarding, the passenger closed the cabin door. After departure and climbing thru 6,000 ft the airstair separated from the aircraft and struck the vertical stabilizer.