NTSB investigations: Allison 250-C20B, 2019
2 cases on aircraft whose registry engine model is Allison 250-C20B. 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
| 1979 | 1 |
|---|---|
| 1980 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2012 | 3 |
| 2013 | 3 |
| 2016 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2022 | 3 |
| 2023 | 2 |
| 2025 | 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 year(c.\"eventDate\") = 2019
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03081'))
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") = 2019
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03081'))
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 GAA19CA457Accident · Minor injuriesData collectionFinal reportBell 206 · Dukedom, TNThe pilot's failure to maintain clearance from wires during an agricultural application flight.NTSB GAA19CA186Accident · Serious injuriesData collectionFinal reportBell 206 · Valley Center, CAThe ground crew’s attachment of the load fill hose to the helicopter without telling the pilot, which resulted in a loss of helicopter control during takeoff.