NTSB investigations: Allison 250-C30 series
6 cases on aircraft whose registry engine model is Allison 250-C30 series, where the defining event was Collision during takeoff/land. 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
| 2008 | 1 |
|---|---|
| 2011 | 1 |
| 2016 | 1 |
| 2021 | 1 |
| 2023 | 1 |
| 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 c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03015')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '490'))
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')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '490'))
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 ERA26LA285Accident · No injuriesClass 4 · LimitedFinal reportBell 206L-3 · Tuscumbia, ALThe pilot’s failure to keep the tail rotor clear of an obstacle while attempting to land.NTSB CEN23LA350Accident · No injuriesClass 3 · LimitedFinal reportBell 206 · Carthage, ILA collision with a fence during landing due to the crew’s reduced distance estimation and depth perception while using night vision goggles. Contributing to the accident was the low moon angle, which made viewing the fence more challenging.NTSB WPR21LA185Accident · No injuriesClass 4 · LimitedFinal reportMcdonnell Douglas Heli 369FF · Palm Gardens, NVThe pilot’s failure to maintain helicopter control during an encounter with a dust devil shortly after takeoff.NTSB CEN16CA393Accident · No injuriesData collectionFinal reportBell 230 · Fargo, NDThe pilot's failure to maintain clearance from the ground obstacle during the landing with gusting winds present.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 CHI08FA141Accident · Serious injuriesField investigationFinal reportSikorsky S-76A · Grand Rapids, MIThe pilot's failure to maintain tail rotor obstacle clearance from a tower during takeoff.