Ongoing NTSB investigations: Lycoming IO-540 series
13 cases on aircraft whose registry engine model is Lycoming IO-540 series. 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
| 2025 | 3 |
|---|---|
| 2026 | 10 |
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\" = 'Ongoing'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41530', '41585'))
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" = 'Ongoing'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41530', '41585'))
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 CEN26LA317Accident · Minor injuriesClass 4 · LimitedInvestigation openRobinson Helicopter R44 II · Natchez, MSNTSB WPR26LA306Accident · No injuriesClass 4 · LimitedInvestigation openAero Rampart Steen Skybolt · Roseburg, ORNTSB ERA26LA296Accident · Serious injuriesClass 3 · LimitedInvestigation openPiper PA32 · Dawsonville, GANTSB ERA26FA271Accident · 3 fatalClass 3 · FieldPreliminary reportSmith Aerostar 601 · Lake Clear, NYOn July 13, 2026, about 2236 eastern daylight time, a Smith Aerostar 601P, N800AA was destroyed when it was involved in an accident near Lake Clear, New York. The private pilot and two passengers were fatally injured. The airplane was operated as a Title 14…NTSB ERA26LA244Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 182S · Naples, FLOn June 20, 2026 at 1030 eastern daylight time, a Cessna 182S, N7270H, was substantially damaged when it was involved in an accident near Naples, Florida. The pilot and three passengers were uninjured. The airplane was operated as a Title 14 Code of Federal…NTSB WPR26LA228Accident · Minor injuriesClass 3 · LimitedPreliminary reportLancair Legacy 2000 · Los Angeles, CAOn June 16, 2026, about 0906 Pacific daylight time, an experimental amateur built Lancair Legacy 2000, N84BZ, was substantially damaged when it was involved in an accident near Los Angeles, California. The pilot sustained minor injuries. The airplane was…NTSB ANC26LA029Accident · No injuriesClass 3 · LimitedPreliminary reportMaule M-7-235 · Wasilla, AKOn April 3, 2026, at 1300 Alaska daylight time, a Maule M 7 235 airplane, N93ML, was substantially damaged during an accident near Wasilla, Alaska. The pilot and one passenger were not injured. The airplane was operated as a personal flight under the…NTSB CEN26FA147Accident · 1 fatalClass 3 · FieldPreliminary reportExperimental Homebuilt Airshark · Statesboro, GAOn March 25, 2026, about 1453 eastern daylight time, an experimental homebuilt Airshark airplane, N220AS, was substantially damaged when it was involved in an accident near Statesboro, Georgia. The pilot was fatally injured. The airplane was operated as a…NTSB CEN26LA148Accident · Serious injuriesClass 3 · LimitedPreliminary reportRobinson Helicopter R44 II · Stonewall, TXOn March 24, 2026, about 0930 central daylight time, a Robinson R44 II helicopter, N233JD, was substantially damaged when it was involved in an accident near Stonewall, Texas. The pilot and passenger were seriously injured. The helicopter was operated as a…NTSB WPR26FA097Accident · 1 fatalClass 3 · FieldPreliminary reportSocata TB21 · Prescott, AZOn February 4, 2026, about 1950 mountain standard time, a Socata TB21, N967WM, was destroyed when it was involved in an accident near Prescott, Arizona. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91…NTSB WPR26LA020Accident · 3 fatalClass 3 · LimitedPreliminary reportPiper PA-23-250 · Condon, MTOn October 17, 2025, about 1615 mountain daylight time, a Piper PA-23-250, N2345R, was substantially damaged when it was involved in an accident near Condon, Montana. The pilot and two passengers were fatally injured. The airplane was operated as a Title 14…NTSB WPR25FA147Accident · 2 fatalClass 3 · FieldPreliminary reportPaul Berkovitz Vans RV-10 · Simi Valley, CAOn May 3, 2025, about 1350 Pacific daylight time, an experimental amateur-built Van’s RV-10, N626PB, was destroyed when it was involved in an accident near Simi Valley, California. The pilot and passenger were fatally injured. The airplane was operated as a…NTSB WPR25LA136Accident · No injuriesClass 3 · LimitedPreliminary reportD'Apuzzo Senior Aero Sport · Phoenix, AZOn April 19, 2025, about 1106 Pacific daylight time, an experimental amateur built D'Apuzzo Senior Aero Sport, N321WC, was substantially damaged when it was involved in an accident near Phoenix, Arizona. The pilot was not injured. The airplane was operated as…