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NTSB investigations, 2026, MT

180,630 investigations by the National Transportation Safety Board since 1962: 174,609 accidents, the rest incidents and other occurrences. Each has NTSB’s narrative and, once the investigation is done, its probable cause; since 2008, its findings and sequence of events.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19632026

NTSB investigations, 2026, MT per year, 1963–2026: 2,224 cases
1963	2
1964	78
1965	73
1966	87
1967	82
1968	61
1969	56
1970	67
1971	55
1972	46
1973	49
1974	59
1975	61
1976	60
1977	61
1978	57
1979	50
1980	46
1981	52
1982	57
1983	37
1984	38
1985	42
1986	34
1987	27
1988	31
1989	26
1990	32
1991	28
1992	29
1993	25
1994	29
1995	26
1996	23
1997	29
1998	38
1999	24
2000	28
2001	18
2002	25
2003	23
2004	29
2005	21
2006	33
2007	28
2008	20
2009	16
2010	14
2011	21
2012	17
2013	29
2014	21
2015	20
2016	18
2017	12
2018	14
2019	15
2020	19
2021	18
2022	14
2023	16
2024	18
2025	24
2026	16

Where

Latest cases

Query with 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

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 year(c.\"eventDate\") = 2026
    AND c.\"eventStateOrRegion\" = 'MT' AND c.\"eventCountry\" = 'USA'
  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 year(c."eventDate") = 2026
  AND c."eventStateOrRegion" = 'MT' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 WPR27FA033Accident · 1 fatalClass 3 · FieldInvestigation openStewart Daniel E RV-6 · Como, MTNov 4, 2026 · N691DS NTSB WPR27LA017Accident · No injuriesClass 4 · LimitedInvestigation openCessna 180H · Lewistown, MTOct 9, 2026 · N1037V · Substantial damage NTSB WPR27LA002Accident · No injuriesClass 4 · LimitedInvestigation openCessna P210N · Stevensville, MTOct 4, 2026 · N94PS · Substantial damage NTSB WPR26LA360Accident · No injuriesClass 4 · LimitedInvestigation openCessna A185F · Livingston, MTSep 26, 2026 · N185BZ · Substantial damage NTSB WPR26LA348Accident · No injuriesClass 4 · LimitedInvestigation openPiper PA-18-150 · Roundup, MTSep 15, 2026 · N4500W · Substantial damage NTSB WPR26LA344Accident · Serious injuriesClass 4 · LimitedInvestigation openTaylorcraft BC12D · Nibbe, MTSep 14, 2026 · N96888 · Substantial damage NTSB WPR26LA335Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 210 · Polson, MTOn 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…Sep 10, 2026 · N9517T · Substantial damage NTSB WPR26LA295Accident · No injuriesClass 3 · LimitedPreliminary reportVans RV8 · Great Falls, MTOn 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…Aug 5, 2026 · C-GFWR · Substantial damage NTSB WPR26LA280Accident · Serious injuriesClass 4 · LimitedFinal reportHarmon Rocket II · Glasgow, MTThe 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.Jul 24, 2026 · C-FCPG · Substantial damage NTSB WPR26LA155Accident · Minor injuriesClass 3 · LimitedPreliminary reportAero Vodochody L-39 · Ennis, MTOn 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…Apr 10, 2026 · N136EM · Substantial damage NTSB WPR26LA157Accident · No injuriesClass 3 · LimitedPreliminary reportCessna T182 · Marion, MTOn 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…Apr 8, 2026 · N5475N · Substantial damage NTSB WPR26LA152Accident · No injuriesClass 3 · LimitedPreliminary reportJust Highlander · Great Falls, MTOn 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…Apr 8, 2026 · N563JA · Substantial damage NTSB WPR26LA146Accident · No injuriesClass 4 · LimitedFinal reportBell Helicopter Textron 206L-1 · Chimney Rock, MTThe pilot’s failure to maintain adequate clearance from the terrain while performing a low altitude circling takeoff maneuver, which resulted in a dynamic rollover.Apr 4, 2026 · N5017G · Substantial damage NTSB WPR26LA105Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-20 · Three Forks, MTThe pilot’s failure to maintain directional during the landing roll with a variable wind.Feb 13, 2026 · N1491A · Substantial damage NTSB WPR26LA099Accident · No injuriesClass 4 · LimitedFinal reportBell Helicopter Textron Canada BHT407 · Libby, MTThe pilot's failure to maintain clearance from a light post during landing.Feb 5, 2026 · N407VS · Substantial damage NTSB WPR26LA093Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 500 · Great Falls, MTOn 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.…Jan 19, 2026 · C-GJVK · Substantial damage