NTSB investigations: Allison 250-C30 series, 2011
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
| 1978 | 1 |
|---|---|
| 1983 | 1 |
| 1984 | 2 |
| 1985 | 2 |
| 1986 | 1 |
| 1989 | 1 |
| 1992 | 3 |
| 1994 | 5 |
| 1996 | 1 |
| 1997 | 3 |
| 1998 | 1 |
| 1999 | 4 |
| 2000 | 4 |
| 2001 | 6 |
| 2002 | 3 |
| 2003 | 1 |
| 2004 | 3 |
| 2005 | 6 |
| 2006 | 10 |
| 2007 | 2 |
| 2008 | 2 |
| 2009 | 3 |
| 2010 | 2 |
| 2011 | 6 |
| 2012 | 1 |
| 2013 | 4 |
| 2014 | 2 |
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 3 |
| 2026 | 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 year(c.\"eventDate\") = 2011
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 year(c."eventDate") = 2011
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 ERA12CA095Accident · No injuriesData collectionFinal reportBell 206L-3 · Wingate, NCThe certified flight instructor did not select an adequate landing site for the practice autorotation.NTSB ANC11TA110Accident · No injuriesFinal reportBell 206 B3 · Seward, AKThe pilot's failure to maintain clearance from snow-covered terrain during hover in deteriorating weather and flat light conditions, which resulted in a tail rotor strike.NTSB ERA11LA297Accident · Serious injuriesLimited investigationFinal reportBell 206-L4 · Mobile Block 114CCThe pilot’s operation of the helicopter with a left, quartering headwind, resulting in conditions conducive to a loss of tail rotor effectiveness.NTSB CEN11LA252Accident · Minor injuriesLimited investigationFinal reportBell 206L-3 · (Gulf of Mexico)The loss of engine power due to an engine compressor stall as a result of ingesting methane gas during takeoff.NTSB CEN11CA232Accident · No injuriesData collectionFinal reportBell 230 · Gulf of Mexico, LAThe pilot's failure to maintain adequate clearance from the safety skirting during the repositioning landing.NTSB WPR11GA115Accident · 1 fatalFinal reportMcdonnell Douglas Heli 369FF · Marana, AZAn inadvertent tail rotor strike during an attempted pinnacle landing, which resulted in the pilot's loss of control of the helicopter. Inhospitable terrain/topography contributed to the severity of the accident.