Final NTSB investigations: Lycoming IO-540-K1A5
8 cases on aircraft whose registry engine model is Lycoming IO-540-K1A5. 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
| 1975 | 1 |
|---|---|
| 1993 | 1 |
| 2012 | 1 |
| 2014 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2022 | 1 |
| 2025 | 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.\"completionStatus\" = 'Completed'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41663'))
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."completionStatus" = 'Completed'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41663'))
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 ANC25LA021Accident · Minor injuriesClass 3 · LimitedFinal reportGippsland GA-8 · Lihue, HIThe failure of the right landing gear leg due to a fatigue crack, which resulted in its separation from the airplane during taxi. Contributing to the accident, was the mechanic’s inadequate inspection of the landing gear leg during the last maintenance…NTSB WPR22LA204Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-32-300 · Snohomish, WAThe total loss of engine power during takeoff due to fuel starvation and the pilot’s improper fuel tank selection and inadequate preflight inspection.NTSB GAA19CA239Accident · No injuriesData collectionFinal reportGippsland GA8 · Bethel, AKThe pilot's failure to maintain adequate clearance from a shipping container while taxiing.NTSB GAA18CA368Accident · No injuriesData collectionFinal reportPiper PA 32-300 · Columbia, SCThe pilot's failure to maintain directional control during landing.NTSB CEN14LA504Accident · 2 fatalLimited investigationFinal reportSaccio Thomas A Seawind 3000 · Bloomington, INAn in-flight fire for reasons that could not be determined because the examination of the airplane did not reveal the source of the fire.NTSB CEN12LA543Accident · Serious injuriesLimited investigationFinal reportCross David L Glasair III · Westcliffe, COThe loss of oil pressure due to the failure of an oil filter gasket, which resulted in a total loss of engine power.NTSB MIA94LA017Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Plymouth, FLTotal failure of the crankshaft due to fatigue resulting in a forced landing and subsequent hard landing.NTSB MKC76DTK10Accident · No injuriesClosedPiper PA-32 · Flandreau, SD