Final NTSB investigations: Allison T63-A-720
6 cases on aircraft whose registry engine model is Allison T63-A-720. 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
| 2009 | 1 |
|---|---|
| 2011 | 1 |
| 2013 | 1 |
| 2017 | 1 |
| 2020 | 1 |
| 2024 | 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.\"completionStatus\" = 'Completed'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03083'))
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."completionStatus" = 'Completed'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03083'))
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 ERA24LA267Accident · Minor injuriesClass 3 · LimitedFinal reportGarlick Helicopters OH-58A+ · Cisco, GAA reported total loss of engine power for reasons that could not be determined.NTSB WPR20LA247Accident · Minor injuriesClass 3 · LimitedFinal reportBell OH58A · Holtville, CAThe total loss of engine power due to the decoupling of the engine's turbine and compressor sections, which resulted from improper maintenance.NTSB GAA17CA265Accident · No injuriesData collectionFinal reportRotorcraft Development OH-58A+ · Waterloo, ILThe pilot’s failure to see and avoid transmission wires while maneuvering at a low altitude.NTSB WPR13LA087Accident · Serious injuriesLimited investigationFinal reportBell OH-58C · Riverdale, CAA flight control malfunction while maneuvering for reasons that could not be determined because it was not possible to establish whether observed damage to the flight control assembly was the result of wreckage recovery efforts or a preexisting condition.NTSB WPR11LA303Accident · Serious injuriesLimited investigationFinal reportArrow Falcon Exporters OH-58C · Brentwood, CAThe failure of the main rotor mast due to fatigue cracking originating from corrosion pits.NTSB WPR09LA471Accident · Minor injuriesLimited investigationFinal reportArrow Falcon Exporters OH-58A+ · Myrtle Creek, ORA partial loss of engine power during takeoff for undetermined reasons.