NTSB investigations: Allison 250-C30 series, CO
6 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 per year
| 1984 | 1 |
|---|---|
| 1994 | 1 |
| 1997 | 1 |
| 2002 | 1 |
| 2013 | 1 |
| 2014 | 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.\"eventStateOrRegion\" = 'CO' AND c.\"eventCountry\" = 'USA'
AND 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."eventStateOrRegion" = 'CO' AND c."eventCountry" = 'USA'
AND 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 CEN14FA122Accident · 3 fatalField investigationFinal reportBell 206L 3 · Silt, COThe pilot’s inadequate preflight planning for a low-level aerial surveillance flight of power transmission lines, which led to his being unaware of the crossing power line while flying toward the sun and his subsequent failure to maintain sufficient clearance…NTSB CEN13LA310Accident · No injuriesLimited investigationFinal reportBell Helicopter Textron 206L-1 · La Junta, COThe pilot's inadequate compensation for wind during low-altitude operations, which resulted in a loss of tail rotor effectiveness.NTSB DEN02LA101Accident · Serious injuriesLimited investigationFinal reportBell 206L-III · Canon City, COthe pilot's failure to maintain clearance of a static wire, and the subsequent loss of aircraft control due to the main rotor pitch change tubes being severed.NTSB FTW97LA217Accident · No injuriesLimited investigationFinal reportBell 206L-3 · Weston, COthe pilot's improper in-flight planning/decision and failure to maintain adequate altitude and/or clearance from rising mountainous/hilly terrain. The unfavorable wind condition and low airspeed were related factors.NTSB FTW94LA071Accident · No injuriesLimited investigationFinal reportBell 206L-3 · Cascade, COThe pilot's improper in-flight planning which resulted in the aircraft's yaw performance being exceeded. A factor was the high density altitude.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…