NTSB investigations: Lycoming IO-540 series, 2012
5 cases on aircraft whose registry engine model is Lycoming IO-540 series, where the defining event was Loss of control in flight. 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 | 5 |
|---|---|
| 2009 | 5 |
| 2010 | 3 |
| 2011 | 4 |
| 2012 | 5 |
| 2013 | 3 |
| 2014 | 5 |
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 2 |
| 2025 | 2 |
| 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\") = 2012
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41530', '41585')
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\" = '240'))
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") = 2012
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41530', '41585')
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" = '240'))
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 WPR12CA431Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 II · McMinnville, ORThe pilot's aggressive takeoff maneuver, which resulted in a loss of control.NTSB CEN12LA529Accident · No injuriesLimited investigationFinal reportPiper PA32RT · Palo Pinto, TXThe pilot's failure to maintain directional control and a proper pitch attitude and airspeed while performing a go-around.NTSB CEN12CA202Accident · No injuriesData collectionFinal reportSmith Aerostar 601P · Casterville, TXThe pilot did not maintain control of the airplane while circling to land.NTSB CEN12FA139Accident · 2 fatalField investigationFinal reportRobinson R44 II · Centerville, LAThe pilot allowed the helicopter to settle with power while maneuvering at low altitude.NTSB CEN12CA140Accident · No injuriesData collectionFinal reportPiper PA-32RT-300 · Angle Fire, NMThe pilot did not maintain control of the airplane during the takeoff in gusting crosswind conditions.