NTSB investigations: Allison 250-C30 series, AZ
7 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
| 1983 | 1 |
|---|---|
| 2000 | 1 |
| 2001 | 2 |
| 2011 | 1 |
| 2015 | 1 |
| 2016 | 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\" = 'AZ' 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" = 'AZ' 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 GAA16CA179Accident · Minor injuriesData collectionFinal reportBell 206 · Supai, AZThe pilot's decision to fly a normal approach and forgetting that the long line remained attached to the helicopter, which resulted in the line snagging on a ridgeline, a loss of lateral control, and a rollover.NTSB WPR15LA177Accident · No injuriesLimited investigationFinal reportBell 206 L4 · Dewey, AZA total loss of engine power due to the failure of the No. 2 bearing, which resulted from a fractured separator.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.NTSB LAX01LA292Accident · No injuriesLimited investigationFinal reportBell 206-L4 · Mesa, AZThe pilot's improper autorotation in that he failed to attain the proper descent rate resulting in a hard landing and subsequent airframe damage. A factor was the high temperature.NTSB LAX01LA157Accident · No injuriesLimited investigationFinal reportBell 206-L3 · Willcox, AZA loss of engine power due to the likely unporting of the fuel tank pickups as the helicopter was maneuvered to look at animals on the ground. Also causal was the pilot's misjudged touchdown point during an autorotational approach, which resulted in the…NTSB LAX00FA160Accident · Serious injuriesField investigationFinal reportBell 206L-3 · Grand Canyon, AZA snow ingestion caused loss of engine power due to the pilot's inadequate preflight inspection and failure to remove the accumulated snow from the engine inlet area. Also causal was the pilot's failure to maintain main rotor rpm while maneuvering to avoid…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…