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NTSB investigations, 1968, MT

180,610 investigations by the National Transportation Safety Board since 1962: 174,589 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, 1968, MT per year, 1963–2026: 2,223 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	15

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") = 1968 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\") = 1968
    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") = 1968
  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 SEA69D0153Accident · No injuriesClosedCessna 170 · St.Xavier, MTDec 20, 1968 · N2663V · Substantial damage NTSB SEA69A0035Accident · 1 fatalClosedAero Comdr 500 · Glendive, MTDec 18, 1968 · N6281X · Destroyed NTSB SEA69F0168Accident · No injuriesClosedBell 206A · Missoula, MTDec 17, 1968 · N4735R · Substantial damage NTSB SEA69D0170Accident · No injuriesClosedCessna 170B · Belgrade, MTDec 15, 1968 · N3185B · Substantial damage NTSB SEA69A0032Accident · 3 fatalClosedAero Comdr 560-F · Wolf Creek, MTDec 8, 1968 · N6257X · Destroyed NTSB SEA69F0148Accident · No injuriesClosedCessna 150 · Belgrade, MTNov 26, 1968 · N51149 · Substantial damage NTSB SEA69D0161Accident · No injuriesClosedAeronca 11CC · Frazer, MTOct 24, 1968 · N4301E · Substantial damage NTSB SEA69F0150Accident · No injuriesClosedPiper PA-24 · Butte, MTOct 23, 1968 · N5889P · Substantial damage NTSB SEA69F0142Accident · No injuriesClosedBeech F35 · Dillon, MTOct 13, 1968 · N3899B · Substantial damage NTSB SEA69D0122Accident · Minor injuriesClosedBell 47G3B1 · Anaconda, MTSep 26, 1968 · N73931 · Substantial damage NTSB SEA69F0104Accident · Minor injuriesClosedCessna 310B · W-Yellowstne, MTSep 16, 1968 · N222V · Destroyed NTSB SEA69D0135Accident · No injuriesClosedCessna 180 · Miles City, MTSep 7, 1968 · N9907V · Substantial damage NTSB SEA69F0121Accident · No injuriesClosedPiper J3C-65 · Chinook, MTAug 30, 1968 · N41072 · Substantial damage NTSB SEA69A0014Accident · 1 fatalClosedCessna 140 · Busby, MTAug 23, 1968 · N2278V · Destroyed NTSB SEA69D0101Accident · No injuriesClosedCessna 180H · Boyes, MTAug 22, 1968 · N7999V · Substantial damage NTSB SEA69F0098Accident · 2 fatalClosedTaylorcraft BC12-D · Winnett, MTAug 19, 1968 · N95010 · Destroyed NTSB SEA69F0094Accident · No injuriesClosedCessna 175 · Hamilton, MTAug 17, 1968 · N7968T · Substantial damage NTSB SEA69D0123Accident · Minor injuriesClosedPiper PA-18 · Melville, MTAug 12, 1968 · N9443D · Destroyed NTSB SEA69F0053Accident · No injuriesClosedBeech A23-19 · Butte, MTAug 8, 1968 · N4714J · Substantial damage NTSB SEA69D0108Accident · No injuriesClosedCessna 180 · Glendive, MTAug 7, 1968 · N5224D · Substantial damage NTSB SEA68D0082Accident · No injuriesClosedCessna 182 · Kalispell, MTJul 26, 1968 · N3530U · Substantial damage NTSB SEA69A0006Accident · Serious injuriesClosedLockheed 188C · Billings, MTJul 20, 1968 · N130US · No damage NTSB SEA69A0005Accident · 5 fatalClosedBeech C35 · Tarkio, MTJul 14, 1968 · N1968D · Destroyed NTSB SEA69D0039Accident · No injuriesClosedPiaggio P-136 · Missoula, MTJul 10, 1968 · N40041 · Substantial damage NTSB SEA69F0035Accident · 1 fatalClosedBoeing A75 · Boyd, MTJul 8, 1968 · N61926 · Destroyed NTSB SEA69D0026Accident · No injuriesClosedPiper PA-28 · Chinook, MTJul 7, 1968 · N7557W · Substantial damage NTSB SEA69F0041Accident · No injuriesClosedMaule M4-210 · Kalispel, MTJul 3, 1968 · N4738T · Substantial damage NTSB SEA69D0034Accident · No injuriesClosedBoeing A75N1 · Wilsall, MTJul 1, 1968 · N5150N · Substantial damage NTSB SEA69F0059Accident · No injuriesClosedCessna 182A · Anaconda, MTJun 22, 1968 · N3589D · Substantial damage NTSB SEA69D0029Accident · No injuriesClosedPiper PA-11 · Fairview, MTJun 11, 1968 · N5537H · Substantial damage NTSB SEA69F0003Accident · No injuriesClosedPiper PA-11 · Zurich, MTJun 10, 1968 · N4966H · Substantial damage NTSB SEA69F0006Accident · No injuriesClosedPiper PA-22 · Belgrade, MTJun 8, 1968 · N2835P · Substantial damage NTSB SEA68F0315Accident · No injuriesClosedPiper PA-25 · Cut Bank, MTJun 5, 1968 · N7291Z · Substantial damage NTSB SEA68I0070Incident · No injuriesClosedCessna 402 · Libby, MTJun 3, 1968 · N4046Q · Minor damage NTSB SEA68F0319Accident · No injuriesClosedPiper PA-25 · Santa Rita, MTMay 29, 1968 · N7701Z · Substantial damage NTSB SEA68D0313Accident · Minor injuriesClosedPiper PA-11 · Wolf Point, MTMay 18, 1968 · N78741 · Substantial damage NTSB SEA68F0314Accident · No injuriesClosedPiper PA-25 · Townsend, MTMay 16, 1968 · N7306Z · Substantial damage NTSB SEA68A0067Accident · 1 fatalClosedCessna 120 · Monida, MTMay 13, 1968 · N90081 · Substantial damage NTSB SEA68D0310Accident · No injuriesClosedBell 47G3B1 · Jackson, MTMay 11, 1968 · N7920S · Substantial damage NTSB SEA68F0321Accident · No injuriesClosedBeech P35 · Great Falls, MTMay 5, 1968 · N1400G · Substantial damage NTSB SEA68F0312Accident · No injuriesClosedSnow S2A · Billings, MTMay 5, 1968 · N1626S · Substantial damage NTSB SEA68F0300Accident · Serious injuriesClosedAlon A-2 · Billings, MTApr 29, 1968 · N6504Q · Substantial damage NTSB SEA68F0298Accident · No injuriesClosedCessna 180 · Billings, MTApr 27, 1968 · N4629A · Substantial damage NTSB SEA68A0066Accident · 3 fatalClosedCessna 175 · Cascade, MTApr 26, 1968 · N9454B · Destroyed NTSB SEA68D0306Accident · No injuriesClosedCessna 206 · Livingston, MTApr 14, 1968 · N5210U · Substantial damage NTSB SEA68D0275Accident · No injuriesClosedPiper PA-22 · Miles City, MTApr 11, 1968 · N2538P · Substantial damage NTSB SEA68F0301Accident · No injuriesClosedCessna 172 · Hammond, MTApr 7, 1968 · N2049Y · Substantial damage NTSB SEA68D0291Accident · Minor injuriesClosedPiper PA-18 · Great Falls, MTApr 6, 1968 · N7699Y · Substantial damage NTSB SEA68D0265Accident · No injuriesClosedChampion 7GCBC · Maxville, MTMar 25, 1968 · N6361N · Substantial damage NTSB SEA68A0061Accident · 2 fatalClosedCessna 182 · Polson, MTMar 25, 1968 · N2684R · Destroyed