NTSB investigations: Lycoming TIO-540-AJ1A, 2026
6 cases on aircraft whose registry engine model is Lycoming TIO-540-AJ1A. 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
| 1978 | 1 |
|---|---|
| 2006 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 2 |
| 2012 | 2 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 2 |
| 2016 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 5 |
| 2026 | 6 |
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\") = 2026
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('42004'))
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") = 2026
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('42004'))
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 ANC26FA097Accident · 2 fatalClass 3 · FieldPreliminary reportCessna T206H · Dunton, COOn September 3, 2026, about 1518 mountain daylight time, a Cessna T206H airplane, N919CW, was destroyed when it was involved in an accident near Dunton, Colorado. The pilot and passenger were fatally injured. The flight was operated as a Title 14 Code of…NTSB CEN26LA239Accident · No injuriesClass 4 · LimitedInvestigation openCessna T206H · Ava, MONTSB CEN26LA223Accident · No injuriesClass 3 · LimitedPreliminary reportCessna T206H · Bryant, AROn June 10, 2026, about 1223 central daylight time, a Cessna T206H airplane, N72RK, was substantially damaged when it was involved in an accident near Bryant, Arkansas. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…NTSB CEN26LA163Accident · No injuriesClass 4 · LimitedFinal reportTextron T206H · Wichita, KSThe flight crew’s failure to ensure that the rear cargo door was properly latched before flight.NTSB ERA26LA153Accident · Minor injuriesClass 3 · LimitedPreliminary reportTextron T206H · Fort Myers, FLOn March 21, 2026, about 0905 eastern daylight time, a Cessna T206H, N2469H, was substantially damaged when it was involved in an accident near Fort Myers, Florida. The pilot and four passengers sustained minor injuries. The airplane was operated as a Title…NTSB WPR26LA117Accident · No injuriesClass 4 · LimitedFinal reportCessna T206H · Lewiston, IDThe pilot’s improper landing flare, which resulted in hard, bounced landing and subsequent tail strike.