# Ongoing NTSB investigations, MT 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 WPR27LA017](https://openairdocs.org/ntsb/WPR27LA017.md): Cessna 180H · Lewistown, MT · Accident · No injuries · Class 4 · Limited · Investigation open · Oct 9, 2026 · N1037V · Substantial damage - [NTSB WPR27LA002](https://openairdocs.org/ntsb/WPR27LA002.md): Cessna P210N · Stevensville, MT · Accident · No injuries · Class 4 · Limited · Investigation open · Oct 4, 2026 · N94PS · Substantial damage - [NTSB WPR26LA360](https://openairdocs.org/ntsb/WPR26LA360.md): Cessna A185F · Livingston, MT · Accident · No injuries · Class 4 · Limited · Investigation open · Sep 26, 2026 · N185BZ · Substantial damage - [NTSB WPR26LA348](https://openairdocs.org/ntsb/WPR26LA348.md): Piper PA-18-150 · Roundup, MT · Accident · No injuries · Class 4 · Limited · Investigation open · Sep 15, 2026 · N4500W · Substantial damage - [NTSB WPR26LA344](https://openairdocs.org/ntsb/WPR26LA344.md): Taylorcraft BC12D · Nibbe, MT · Accident · Serious injuries · Class 4 · Limited · Investigation open · Sep 14, 2026 · N96888 · Substantial damage - [NTSB WPR26LA335](https://openairdocs.org/ntsb/WPR26LA335.md): Cessna 210 · Polson, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 10, 2026 · N9517T · Substantial damage > On September 10, 2026, about 1005 mountain daylight time, a Cessna 210, N9517T, was substantially damaged when it was involved in an accident near Polson Airport (8S1), Polson, Montana. The student pilot was not injured. The airplane was operated as a Title… - [NTSB WPR26LA295](https://openairdocs.org/ntsb/WPR26LA295.md): Vans RV8 · Great Falls, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Aug 5, 2026 · C-GFWR · Substantial damage > On August 5, 2026, at about 1034 mountain daylight time, a Van’s Aircraft RV-8, C-GFWR, was substantially damaged when it was involved in an accident near Great Falls, Montana. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal… - [NTSB WPR26LA155](https://openairdocs.org/ntsb/WPR26LA155.md): Aero Vodochody L-39 · Ennis, MT · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Apr 10, 2026 · N136EM · Substantial damage > On April 10, 2026, about 1210 mountain daylight time, an Aero Vodochody L 39, N136EM, was substantially damaged when it was involved in an accident near Ennis, Montana. The flight instructor sustained minor injuries, and the pilot undergoing instruction was… - [NTSB WPR26LA157](https://openairdocs.org/ntsb/WPR26LA157.md): Cessna T182 · Marion, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Apr 8, 2026 · N5475N · Substantial damage > On April 8, 2026, about 1315 mountain standard time, a Cessna T182, N5475N, was substantially damaged when it was involved in an accident near Marion, Montana. Both pilots were uninjured. The airplane was operated as a Title 14 Code of Federal Regulations… - [NTSB WPR26LA152](https://openairdocs.org/ntsb/WPR26LA152.md): Just Highlander · Great Falls, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Apr 8, 2026 · N563JA · Substantial damage > On April 8, 2026, about 1106 mountain daylight time, an experimental amateur built Just Aircraft Highlander, N563JA, was substantially damaged when it was involved in an accident near Great Falls, Montana. The pilot was not injured. The airplane was operated… - [NTSB WPR26LA093](https://openairdocs.org/ntsb/WPR26LA093.md): Cessna 500 · Great Falls, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Jan 19, 2026 · C-GJVK · Substantial damage > On January 19, 2026, about 1303 mountain standard time, a Cessna 500 airplane, C-GJVK, was substantially damaged when it was involved in an accident at Great Falls International Airport (GTF), Great Falls, Montana. The pilot and passenger were not injured.… - [NTSB WPR26FA032](https://openairdocs.org/ntsb/WPR26FA032.md): Cirrus Design SR22T · Lincoln, MT · Accident · 1 fatal · Class 3 · Field · Preliminary report · Oct 25, 2025 · N740TS · Destroyed > On October 24, 2025 at 2115 mountain daylight time, a Cirrus SR22T, N740TS, was destroyed when it was involved in an accident near Lincoln, Montana. The pilot sustained fatal injuries. The airplane was operated as a Title 14 Code of Federal Regulations (CFR)… - [NTSB WPR26FA031](https://openairdocs.org/ntsb/WPR26FA031.md): Robinson Helicopter R66 · Ekalaka, MT · Accident · 4 fatal · Class 3 · Field · Preliminary report · Oct 23, 2025 · N67GA · Substantial damage > On October 22, 2025, about 1830 mountain daylight time, a Robinson Helicopter Co. R66, N67GA, was substantially damaged when it was involved in an accident near Ekalaka, Montana. The pilot and 3 passengers were fatally injured. The helicopter was operated as… - [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 WPR25LA295](https://openairdocs.org/ntsb/WPR25LA295.md): Siai-Marchetti SF260B · Billings, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 26, 2025 · N272C · Substantial damage > On September 26, 2025, about 1040 mountain daylight time, a SIAI-MARCHETTI SF 260B, N272C, was substantially damaged when it was involved in an accident near Billings, Montana. The pilot and passenger were not injured. The airplane was operated as a Title 14… - [NTSB WPR25FA289](https://openairdocs.org/ntsb/WPR25FA289.md): Murphy SR3500 · Bigfork, MT · Accident · 1 fatal · Class 3 · Field · Preliminary report · Sep 19, 2025 · N62ZT · Destroyed > On September 19, 2025, about 1205 mountain daylight time, an experimental amateur built Murphy SR3500, N62ZT, was destroyed when it was involved in an accident near Bigfork, Montana. The pilot was fatally injured. The airplane was operated as a Title 14 Code… - [NTSB WPR25LA260](https://openairdocs.org/ntsb/WPR25LA260.md): Bell Textron Canada 407 · Lincoln, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Aug 26, 2025 · N38AJ · Substantial damage > On August 26, 2025, at about 0100 mountain daylight time, a Bell 407 GTX, N38AJ, was substantially damaged when it was involved in an accident near Lincoln, Montana. The pilot and two passengers were not injured. The helicopter was operated as a Title 14,… - [NTSB WPR25FA252](https://openairdocs.org/ntsb/WPR25FA252.md): Vans RV-7A · West Glacier, MT · Accident · 1 fatal · Class 3 · Field · Preliminary report · Aug 12, 2025 · N30SG · Substantial damage > On August 12, 2025, about 1457 mountain daylight time, an experimental amateur-built Vans RV-7A N30SG, was substantially damaged when it was involved in an accident near West Glacier, Montana. The pilot was fatally injured. The airplane was operated as a… - [NTSB WPR25FA223](https://openairdocs.org/ntsb/WPR25FA223.md): Grumman American Avn. AA-5 · West Glacier, MT · Accident · 2 fatal · Class 3 · Field · Preliminary report · Jul 26, 2025 · N1342R · Substantial damage > On July 26, 2025, about 0942 mountain daylight time, a Grumman AA-5, N1342R, was destroyed when it was involved in an accident near West Glacier, Montana. The pilot and passenger were fatally injured. The airplane was operated as a Title 14 Code of Federal… - [NTSB WPR25FA214](https://openairdocs.org/ntsb/WPR25FA214.md): Piper PA-28-180 · West Yellowstone, MT · Accident · 3 fatal · Class 3 · Field · Preliminary report · Jul 18, 2025 · N7186W · Substantial damage > On July 17, 2025, about 2358 mountain daylight time, a Piper PA-28-180, N7186W, was substantially damaged when it was involved in an accident near West Yellowstone, Montana. The pilot and two pilot rated passengers were fatally injured. The airplane was… - [NTSB WPR25LA200](https://openairdocs.org/ntsb/WPR25LA200.md): Faust 3 · Harrison, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Jun 30, 2025 · N5901V · Substantial damage > On June 30, 2025, about 1200 mountain daylight time, an experimental amateur built Faust 3, N5901V, sustained substantial damage when it was involved in an accident near Harrison, Montana. The pilot and passenger were not injured. The airplane was operated as… - [NTSB WPR25LA301](https://openairdocs.org/ntsb/WPR25LA301.md): Piper PA-24-260 · West Yellowstone, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Jun 29, 2025 · N9366P · Substantial damage > On June 29, 2025, at 1033 mountain daylight time, a Piper PA-24-260, N9366P, was substantially damaged when it was involved in an accident near West Yellowstone, Montana. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal… - [NTSB WPR25FA182](https://openairdocs.org/ntsb/WPR25FA182.md): Cessna 172 · Billings, MT · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jun 19, 2025 · N79306 · Substantial damage > On June 19, 2025, at 1412 mountain daylight time, a Cessna 172K airplane, N79306, was destroyed when it was involved in an accident near Billings, Montana. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations… - [NTSB WPR24LA323](https://openairdocs.org/ntsb/WPR24LA323.md): Beech J35 · Belgrade, MT · Accident · Class 3 · Limited · Preliminary report · Aug 28, 2024 · N8350D · Substantial damage > On August 27, 2024, about 1845 mountain daylight time, a Beech J35, N8350D, was substantially damaged when it was involved in an accident near Belgrade, Montana. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal Regulations… ## 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" = 'MT' 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=MT&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.