# Ongoing NTSB investigations: Lycoming IO-540 series NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB CEN26LA317](https://openairdocs.org/ntsb/CEN26LA317.md): Robinson Helicopter R44 II · Natchez, MS · Accident · Minor injuries · Class 4 · Limited · Investigation open · Sep 13, 2026 · N7527L · Substantial damage - [NTSB WPR26LA306](https://openairdocs.org/ntsb/WPR26LA306.md): Aero Rampart Steen Skybolt · Roseburg, OR · Accident · No injuries · Class 4 · Limited · Investigation open · Aug 15, 2026 · N32DA · Substantial damage - [NTSB ERA26LA296](https://openairdocs.org/ntsb/ERA26LA296.md): Piper PA32 · Dawsonville, GA · Accident · Serious injuries · Class 3 · Limited · Investigation open · Aug 9, 2026 · N3011X - [NTSB ERA26FA271](https://openairdocs.org/ntsb/ERA26FA271.md): Smith Aerostar 601 · Lake Clear, NY · Accident · 3 fatal · Class 3 · Field · Preliminary report · Jul 14, 2026 · N800AA · Destroyed > On 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 ERA26LA244](https://openairdocs.org/ntsb/ERA26LA244.md): Cessna 182S · Naples, FL · Accident · No injuries · Class 3 · Limited · Preliminary report · Jun 20, 2026 · N7270H · Substantial damage > On 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 WPR26LA228](https://openairdocs.org/ntsb/WPR26LA228.md): Lancair Legacy 2000 · Los Angeles, CA · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Jun 16, 2026 · N84BZ · Substantial damage > On 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 ANC26LA029](https://openairdocs.org/ntsb/ANC26LA029.md): Maule M-7-235 · Wasilla, AK · Accident · No injuries · Class 3 · Limited · Preliminary report · Apr 3, 2026 · N93ML · Substantial damage > On 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 CEN26FA147](https://openairdocs.org/ntsb/CEN26FA147.md): Experimental Homebuilt Airshark · Statesboro, GA · Accident · 1 fatal · Class 3 · Field · Preliminary report · Mar 25, 2026 · N220AS · Substantial damage > On 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 CEN26LA148](https://openairdocs.org/ntsb/CEN26LA148.md): Robinson Helicopter R44 II · Stonewall, TX · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Mar 24, 2026 · N233JD · Substantial damage > On 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 WPR26FA097](https://openairdocs.org/ntsb/WPR26FA097.md): Socata TB21 · Prescott, AZ · Accident · 1 fatal · Class 3 · Field · Preliminary report · Feb 5, 2026 · N967WM · Destroyed > On 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 WPR26LA020](https://openairdocs.org/ntsb/WPR26LA020.md): Piper PA-23-250 · Condon, MT · Accident · 3 fatal · Class 3 · Limited · Preliminary report · Oct 17, 2025 · N2345R · Substantial damage > On 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 WPR25FA147](https://openairdocs.org/ntsb/WPR25FA147.md): Paul Berkovitz Vans RV-10 · Simi Valley, CA · Accident · 2 fatal · Class 3 · Field · Preliminary report · May 3, 2025 · N626PB · Destroyed > On 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 WPR25LA136](https://openairdocs.org/ntsb/WPR25LA136.md): D'Apuzzo Senior Aero Sport · Phoenix, AZ · Accident · No injuries · Class 3 · Limited · Preliminary report · Apr 19, 2025 · N321WC · Substantial damage > On 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… ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 ``` This list as a web page: https://openairdocs.org/ntsb?engine=41530&status=ongoing --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.