NTSB investigations: Lycoming T-53 series, AK
4 cases on aircraft whose registry engine model is Lycoming T-53 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
| 1991 | 1 |
|---|---|
| 1993 | 1 |
| 2019 | 1 |
| 2022 | 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\" = 'AK' 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 ('41552', '41549', '41587'))
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" = 'AK' 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 ('41552', '41549', '41587'))
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 ANC22FA047Accident · 1 fatalClass 3 · FieldFinal reportBell UH1B · Clear, AKA loss of control for reasons that could not be determined based on the available information.NTSB GAA19CA345Accident · Serious injuriesData collectionFinal reportS M & T UH · Northway, AKThe pilot's failure to maintain a proper descent rate during landing, which resulted in impact with terrain.NTSB ANC93FA056Accident · 1 fatalField investigationFinal reportBell 204B · Copper Harbor, AKFatigue failure of the tail rotor gearbox, and improper helicopter operations being conducted by the operator resulting in repetitive at and over maximum loads. Factors in the accident were: material defect of the tail rotor gear box (inadequate quality…NTSB ANC91LA058Accident · 1 fatalLimited investigationFinal reportBell UH-1B · Dog Fish Bay, AKThe pilot's exceeding the gross weight of the aircraft and inadequate supervision by company management. Contributing to the accident was the high vegetation.