NTSB investigations: Lycoming AEIO-360 series
6 cases on aircraft whose registry engine model is Lycoming AEIO-360 series, where the defining event was Aerodynamic stall/spin. 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 |
| 2018 | 1 |
| 2021 | 1 |
| 2025 | 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 ('41522', '41601')
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\" = '241'))
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 ('41522', '41601')
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" = '241'))
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 WPR26LA322Accident · Serious injuriesClass 4 · LimitedInvestigation openKrugh Patrick M Steen Skybolt · Big Bear, CANTSB WPR25FA225Accident · 3 fatalClass 3 · FieldPreliminary reportMooney M20J · Nampa, IDOn August 27, 2025, about 1741 mountain daylight time, a Mooney M20J, N5764H, was destroyed when it was involved in an accident near Nampa, Idaho. The pilot and two passengers were fatally injured. The airplane was operated as a Title 14 Code of Federal…NTSB ERA21LA260Accident · Serious injuriesClass 4 · LimitedFinal reportBellanca 8KCAB · Argyle, NYThe pilot’s failure to maintain adequate airspeed during landing, which led to the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall.NTSB WPR18FA229Accident · 2 fatalField investigationFinal reportJames E Causey Acroduster II · Phoenix, AZAn exceedance of the airplane's critical angle of attack while maneuvering for landing, which resulted in an aerodynamic stall/spin at an altitude too low for recovery.NTSB ERA11CA195Accident · Serious injuriesData collectionFinal reportBrown Narcisse A Christen Eagle II · Gainesville, FLThe pilot's failure to maintain airspeed while turning from base leg to final approach, which resulted in an aerodynamic stall and collision with the ground.NTSB WPR09LA026Accident · 2 fatalLimited investigationFinal reportSilfvast Starduster TOO · Cedar Fort, UTThe pilot's failure to maintain an adequate airspeed and/or angle of attack to avoid a stall/spin during an aerobatic maneuver.