# Ongoing NTSB investigations, IA 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 CEN27LA027](https://openairdocs.org/ntsb/CEN27LA027.md): Rudolph Gary Legacy · Belle Plaine, IA · Accident · No injuries · Limited investigation · Investigation open · Oct 22, 2026 · N84V - [NTSB CEN27LA019](https://openairdocs.org/ntsb/CEN27LA019.md): Piper PA-28-235 · Cedar Rapids, IA · Accident · Minor injuries · Class 3 · Limited · Investigation open · Oct 18, 2026 · N8759W - [NTSB CEN26LA309](https://openairdocs.org/ntsb/CEN26LA309.md): Mooney M20E · West Branch, IA · Accident · No injuries · Class 4 · Limited · Investigation open · Sep 2, 2026 · N55GA · Substantial damage - [NTSB WPR26LA317](https://openairdocs.org/ntsb/WPR26LA317.md): Boeing A75N1(PT17) · Cedar Rapids, IA · Accident · No injuries · Class 4 · Limited · Investigation open · Aug 25, 2026 · N48188 · Substantial damage - [NTSB ANC26LA082](https://openairdocs.org/ntsb/ANC26LA082.md): Robinson Helicopter R44 · Macedonia, IA · Accident · Minor injuries · Class 4 · Limited · Investigation open · Aug 9, 2026 · N197HL · Substantial damage - [NTSB CEN26LA276](https://openairdocs.org/ntsb/CEN26LA276.md): Robinson Helicopter R44 II · Bennett, IA · Accident · No injuries · Class 3 · Limited · Preliminary report · Aug 2, 2026 · N26KL · Substantial damage > On August 2, 2026, about 1318 central daylight time, a Robinson Helicopter Company R44 II helicopter, N26KL, was substantially damaged when it was involved in an accident near Bennett, Iowa. The pilot was not injured. The helicopter was operated as a Title 14… - [NTSB CEN26LA271](https://openairdocs.org/ntsb/CEN26LA271.md): Beech V35 · Carroll, IA · Accident · No injuries · Class 3 · Limited · Preliminary report · Jul 24, 2026 · N3707Q · Substantial damage > On July 24, 2026, about 1550 central daylight time, a Beech V35 airplane, N3707Q, was substantially damaged when it was involved in an accident near Carroll, Iowa. The pilot was not injured. The flight was operated under the provisions of Title 14 Code of… - [NTSB CEN26FA267](https://openairdocs.org/ntsb/CEN26FA267.md): Zenith Zodiak 601 HDS · Sioux City, IA · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jul 24, 2026 · N27601 · Destroyed > On July 24, 2026, about 1422 central daylight time, a Zenith Zodiac 601HDS experimental airplane, N27601, was destroyed when it was involved in an accident near Sioux City, Iowa. The pilot was fatally injured. The airplane was operated as a Title 14 Code of… - [NTSB CEN26LA259](https://openairdocs.org/ntsb/CEN26LA259.md): Robinson Helicopter R44 · Adair, IA · Accident · No injuries · Class 3 · Limited · Preliminary report · Jul 18, 2026 · N484AT · Substantial damage > On July 18, 2026, about 1440 central daylight time, a Robinson Helicopter Company R44, N484AT, was substantially damaged when it was involved in an accident near Adair, Iowa. The pilot was not injured. The helicopter was operated as a Title 14 Code of Federal… - [NTSB CEN26LA100](https://openairdocs.org/ntsb/CEN26LA100.md): Piper PA 46-350P · Sioux City, IA · Accident · No injuries · Class 3 · Limited · Preliminary report · Jan 24, 2026 · N91MK · Substantial damage > On January 24, 2026, about 0712 central daylight time, a Piper PA-46-350P airplane, N91MK, was substantially damaged when it was involved in an accident near Sioux City, Iowa. The pilot and passenger were uninjured. The airplane was operated as a Title 14… - [NTSB CEN26LA045](https://openairdocs.org/ntsb/CEN26LA045.md): Cessna TU206F · Muscatine, IA · Accident · No injuries · Class 3 · Limited · Preliminary report · Nov 12, 2025 · N37EW · 2 aircraft · Substantial damage > On November 12, 2025, about 14:10 central standard time, a Cessna TU206F, N37EW, and a Hawker Beechcraft Corp B300, N545KA, were substantially damaged when they were involved in an accident at Muscatine Regional Airport (MUT), Muscatine, Iowa. The pilot and… - [NTSB ANC26LA020](https://openairdocs.org/ntsb/ANC26LA020.md): Cessna 182Q · Mapleton, IA · Accident · No injuries · Class 3 · Limited · Preliminary report · Oct 29, 2025 · N735ZD · Substantial damage > On October 29, 2025, at about 1200 Central daylight time, a Cessna 182Q, N735ZD, was substantially damaged when it was involved in an accident near Mapleton, Iowa. The pilot and three passengers were not injured. The airplane was operated as a Title 14 Code… - [NTSB CEN26LA009](https://openairdocs.org/ntsb/CEN26LA009.md): Cessna 182RG · Cottonville, IA · Accident · No injuries · Class 3 · Limited · Preliminary report · Oct 3, 2025 · N4609S · Substantial damage > On October 3, 2025, about 1720 central daylight time, a Cessna 182RG airplane, N4609S, was substantially damaged when it was involved in an accident near Cottonville, Iowa. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal… - [NTSB ANC25FA086](https://openairdocs.org/ntsb/ANC25FA086.md): North American T-28B · Monticello, IA · Accident · 1 fatal · Class 3 · Field · Preliminary report · Aug 11, 2025 · N28XT · Substantial damage > On August 11, 2025, about 1505 Central daylight time, a North American T-28B airplane, N28XT, was substantially damaged when it was involved in an accident near Monticello, Iowa. The pilot was fatally injured. The airplane was operated as a Title 14 Code of… - [NTSB CEN25LA297](https://openairdocs.org/ntsb/CEN25LA297.md): Ayres S2R · Akron, IA · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Jul 28, 2025 · N524SL · Substantial damage > On July 28, 2025, about 1537 central daylight time, an Ayres Corporation S2R-T34 airplane, N524SL, sustained substantial damage when it was involved in an accident near Akron, Iowa. The pilot sustained serious injuries. The airplane was operated as a Title 14… - [NTSB CEN25LA277](https://openairdocs.org/ntsb/CEN25LA277.md): Robinson Helicopter R66 · Maynard, IA · Accident · No injuries · Class 3 · Limited · Preliminary report · Jul 22, 2025 · N88911 · Substantial damage > On July 22, 2025, about 1400 central daylight time, a Robinson Helicopter Company R66 helicopter, N88911, was substantially damaged when it was involved in an accident near Maynard, Iowa. The pilot was uninjured. The helicopter was operated under Title 14… - [NTSB CEN24FA287](https://openairdocs.org/ntsb/CEN24FA287.md): Bell 206 · Nashua, IA · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jul 29, 2024 · N94XA · Substantial damage > On July 29, 2024 about 1330 central standard time, a Bell 206-B3 Helicopter, N94XA, was destroyed when it was involved in an accident near Nashua, Iowa. The pilot was fatally injured. The helicopter was operated as a Title 14 Code of Federal Regulations Part… ## 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."eventStateOrRegion" = 'IA' AND c."eventCountry" = 'USA' AND c."completionStatus" = 'Ongoing' ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?state=IA&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.