NTSB investigations: Lycoming 0-290 series
6 cases on aircraft whose registry engine model is Lycoming 0-290 series, where the defining event was Unknown or undetermined. 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
| 2015 | 1 |
|---|---|
| 2017 | 1 |
| 2021 | 1 |
| 2023 | 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 c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41506')
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\" = '000'))
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 ('41506')
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" = '000'))
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 CEN26FA267Accident · 1 fatalClass 3 · FieldPreliminary reportZenith Zodiak 601 HDS · Sioux City, IAOn July 24, 2026, about 1422 central daylight time, a Zenith Zodiac 601HDS experimental airplane, N27601, was destroyed when it was involved in an accident near Sioux City, Iowa. The pilot was fatally injured. The airplane was operated as a Title 14 Code of…NTSB WPR23LA341Accident · No injuriesClass 3 · LimitedFinal reportBellanca 7ECA · El Cajon, CAA total loss of engine power for undetermined reasons.NTSB ERA23LA133Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-12 · Ebeemee Township, MEA partial power loss of engine power during initial climb for undetermined reasons.NTSB CEN21LA390Accident · Minor injuriesClass 3 · LimitedFinal reportMantooth Thorp T-18 · San Antonio, TXThe loss of engine power after takeoff for undetermined reasons.NTSB ANC17LA016Accident · Serious injuriesLimited investigationFinal reportPiper PA18 · Sterling, AKThe pilot’s loss of control while maneuvering for reasons that could not be determined based on the available information.NTSB WPR15FA206Accident · 1 fatalField investigationFinal reportPiper PA 22-135 · Carey, IDUndetermined because examination of the airplane wreckage did not reveal any anomalies that would have precluded normal operation.