# NTSB investigations, 2026, 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 WPR27FA033](https://openairdocs.org/ntsb/WPR27FA033.md): Stewart Daniel E RV-6 · Como, MT · Accident · 1 fatal · Class 3 · Field · Investigation open · Nov 4, 2026 · N691DS - [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 WPR26LA280](https://openairdocs.org/ntsb/WPR26LA280.md): Harmon Rocket II · Glasgow, MT · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 24, 2026 · C-FCPG · Substantial damage > The pilot’s inadvertent selection of the fuel selector valve to the OFF position resulted in a total loss of engine power due to fuel starvation and subsequent forced landing to a field. - [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 WPR26LA146](https://openairdocs.org/ntsb/WPR26LA146.md): Bell Helicopter Textron 206L-1 · Chimney Rock, MT · Accident · No injuries · Class 4 · Limited · Final report · Apr 4, 2026 · N5017G · Substantial damage > The pilot’s failure to maintain adequate clearance from the terrain while performing a low altitude circling takeoff maneuver, which resulted in a dynamic rollover. - [NTSB WPR26LA105](https://openairdocs.org/ntsb/WPR26LA105.md): Piper PA-20 · Three Forks, MT · Accident · No injuries · Class 4 · Limited · Final report · Feb 13, 2026 · N1491A · Substantial damage > The pilot’s failure to maintain directional during the landing roll with a variable wind. - [NTSB WPR26LA099](https://openairdocs.org/ntsb/WPR26LA099.md): Bell Helicopter Textron Canada BHT407 · Libby, MT · Accident · No injuries · Class 4 · Limited · Final report · Feb 5, 2026 · N407VS · Substantial damage > The pilot's failure to maintain clearance from a light post during landing. - [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.… ## 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 year(c."eventDate") = 2026 AND c."eventStateOrRegion" = 'MT' AND c."eventCountry" = 'USA' ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?state=MT&year=2026 --- 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.