Fatal NTSB investigations: Lycoming TIO-540-AJ1A
7 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
| 2012 | 1 |
|---|---|
| 2015 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 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.\"highestInjuryLevel\" = 'Fatal'
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 c."highestInjuryLevel" = 'Fatal'
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 WPR24FA304Accident · 1 fatalClass 3 · FieldFinal reportGlobe Swift GC-1B · Minden, NVThe failure of the pilots of both airplanes to see and avoid the other airplane while operating in the airport traffic pattern, which resulted in a midair collision.NTSB WPR24FA288Accident · 2 fatalClass 3 · FieldPreliminary reportTextron T206H · Yellow Pine, IDOn August 29, 2024, about 1540 mountain daylight time, a Cessna T206H, N712AM, was destroyed when it was involved in an accident near Yellow Pine, Idaho. The pilot and passenger were fatally injured. The airplane was operated as a Title 14 Code of Federal…NTSB WPR24FA252Accident · 2 fatalClass 3 · FieldFinal reportTextron T206H · Kneeland, CAThe pilot’s delayed decision to perform a go-around after an unstabilized approach, which resulted in a loss of control, runway overrun, and impact with terrain.NTSB WPR23FA296Accident · 1 fatalClass 3 · FieldFinal reportCessna T206H · Yellow Pine, IDThe pilot’s decision to perform a go-around into rising mountainous terrain. Contributing to the accident was the pilot’s failure to follow published airport guidance about go-arounds, and landings and takeoffs with unfavorable winds.NTSB ERA15FA312Accident · 1 fatalField investigationFinal reportCessna T206H · West Caldwell, NJA loss of engine power due to a malfunction of the turbocharging system likely due to contaminated oil. Also causal were the pilot's decision to continue the takeoff although the airplane was not performing normally and his failure to maintain adequate…NTSB WPR12FA091Accident · 2 fatalField investigationFinal reportCessna T206H · Show Low, AZThe pilot’s encounter with low clouds/low visibility conditions during the initial climb, which resulted in spatial disorientation and loss of airplane control.