NTSB investigations: Allison 250-C30 series
104 cases on aircraft whose registry engine model is Allison 250-C30 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.
Cases, newest first
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 ('03015'))
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 ('03015'))
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 DEN85LA053Accident · Minor injuriesLimited investigationFinal reportBell 206-L3 · Jackson, WYPlt had landed on prepared area (snow packed down by heli ski guide) to embark ski passengers. On departure plt lifted to hover, turned to desired hdg and initiated forward transition. As acft passed boundry of packed snow, rotor wash picked up soft loose…NTSB DEN84LA093Accident · Minor injuriesLimited investigationFinal reportBell 206L-3 · Lake City, COThe helicopter took off in marginal VMC conditions at close to conditions requiring maximum performance for takeoff. The plt attempted to hover at 90 percent RPM waiting he said 'for a breeze'. The hover stirred up snow causing a whiteout and loss of visual…NTSB LAX83LA117Accident · No injuriesLimited investigationFinal reportBell BH 206-L111 · Peach Springs, AZAfter the rotorcraft took off to a hover the pilot did a pedal turn for a down canyon departure. After the hover turn the pilot slid to the right to clear some obstacles and when the rotorcraft moved laterally about 25 feet the pilot heard a bang. The left…NTSB CHI79DEX01Accident · No injuriesClosedBell 206 · Rockville, IN