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NTSB investigations, 1965, MT

180,624 investigations by the National Transportation Safety Board since 1962: 174,602 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, 1965, 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") = 1965 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\") = 1965
    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") = 1965
  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 SEA66D0188Accident · No injuriesClosedCessna 180 · Babb, MTDec 29, 1965 · N6494X · Substantial damage NTSB SEA66D0203Accident · No injuriesClosedPiper PA-18 · Billings, MTDec 26, 1965 · N3684Z · Substantial damage NTSB SEA66D0200Accident · No injuriesClosedAeronca 7AC · Billings, MTDec 19, 1965 · N1128N · Substantial damage NTSB SEA66D0195Accident · No injuriesClosedBellanca 14-13 · Billings, MTDec 9, 1965 · N86720 · Substantial damage NTSB SEA66D0189Accident · No injuriesClosedBeechcraft C33 · Chester, MTDec 7, 1965 · N6128V · Substantial damage NTSB SEA66F0192Accident · No injuriesClosedCessna 320 · Billings, MTNov 18, 1965 · N3027T · Substantial damage NTSB SEA66D0178Accident · No injuriesClosedPiper PA-11 · Lambert, MTNov 14, 1965 · N4765M · Substantial damage NTSB SEA66D0169Accident · No injuriesClosedCessna 210 · Highwood, MTNov 14, 1965 · N8383Z · Substantial damage NTSB SEA66F0180Accident · Minor injuriesClosedPiper PA-18A · Huntley, MTNov 8, 1965 · N3688A · Substantial damage NTSB SEA66F0171Accident · No injuriesClosedDehaviland DH-82A · Helena, MTNov 8, 1965 · N3301T · Substantial damage NTSB SEA66A0030Accident · No injuriesClosedBrantly B-2 · Bigfork, MTNov 3, 1965 · N5991X · Destroyed NTSB SEA66D0161Accident · No injuriesClosedPiper PA-28 · Avon, MTNov 1, 1965 · N8782W · Substantial damage NTSB SEA66A0028Accident · 1 fatalClosedStinson 108-3 · Augusta, MTOct 28, 1965 · N348 · Destroyed NTSB SEA66A0027Accident · 1 fatalClosedCessna 140 · Ryegate, MTOct 28, 1965 · N77103 · Destroyed NTSB SEA66F0190Accident · No injuriesClosedPiper PA-24 · Twin Bridges, MTOct 18, 1965 · N6380 · Substantial damage NTSB SEA66F0148Accident · No injuriesClosedCessna 182F · Broadus, MTOct 10, 1965 · N3170U · Substantial damage NTSB SEA66D0142Accident · Minor injuriesClosedPiper PA-18 · Stanford, MTOct 3, 1965 · N7699Y · Substantial damage NTSB SEA66F0122Accident · No injuriesClosedMooney M20C · Red Lodge, MTSep 19, 1965 · N5882Q · Substantial damage NTSB SEA66A0022Accident · No injuriesClosedHiller UH-12E · Choteau, MTSep 17, 1965 · N5360V · Substantial damage NTSB SEA66A0021Accident · 2 fatalClosedNavion B · Judith Gap, MTSep 11, 1965 · N4400K · Destroyed NTSB SEA66F0141Accident · Minor injuriesClosedAeronca 7AC · Ronan, MTSep 7, 1965 · N85023 · Substantial damage NTSB SEA66F0105Accident · No injuriesClosedPiper PA-17 · Deborgia, MTAug 31, 1965 · N4638H · Substantial damage NTSB SEA66F0099Accident · No injuriesClosedLuscombe 8E · W.Yellowston, MTAug 30, 1965 · N1781K · Substantial damage NTSB SEA66A0017Accident · 1 fatalClosedCallair A-9 · 14s Ryegate, MTAug 29, 1965 · N8250H · Destroyed NTSB SEA66D0104Accident · No injuriesClosedCessna 180 · Livingston, MTAug 22, 1965 · N7630A · Substantial damage NTSB SEA66A0012Accident · No injuriesClosedBell 47G3B1 · Libby, MTAug 16, 1965 · N73920 · Substantial damage NTSB SEA66D0117Accident · No injuriesClosedCessna 120 · Whitefish, MTAug 15, 1965 · N77000 · Substantial damage NTSB SEA66F0066Accident · Serious injuriesClosedLuscombe 8E · Billings, MTAug 10, 1965 · N2422K · Substantial damage NTSB SEA66D0109Accident · No injuriesClosedCessna 140A · Vida, MTAug 10, 1965 · N9414A · Substantial damage NTSB SEA66D0094Accident · No injuriesClosedCessna 182H · Butte, MTAug 10, 1965 · N3465S · Substantial damage NTSB SEA66A0009Accident · 1 fatalClosedCallair S-1A · 8sw Billings, MTAug 8, 1965 · N37261 · Substantial damage NTSB SEA66A0006Accident · 1 fatalClosedNavion G · 30nw Augusta, MTAug 1, 1965 · N2411T · Destroyed NTSB SEA66D0103Accident · No injuriesClosedCessna 185 · Billings, MTJul 29, 1965 · N4133Y · Substantial damage NTSB SEA66D0149Accident · No injuriesClosedBeech C-18S · Willard, MTJul 27, 1965 · N8056H · Substantial damage NTSB SEA66D0076Accident · No injuriesClosedCessna 185A · Livingston, MTJul 25, 1965 · N4055Y · Substantial damage NTSB SEA66F0095Accident · No injuriesClosedPiper PA-11 · Molt, MTJul 22, 1965 · N5066H · Substantial damage NTSB SEA66F0046Accident · No injuriesClosedCessna 182 · Darby, MTJul 8, 1965 · N5379B · Substantial damage NTSB SEA66D0077Accident · Minor injuriesClosedPiper PA-18A · Lewistown, MTJul 7, 1965 · N8566D · Destroyed NTSB SEA66A0002Accident · 1 fatalClosedTaylorcraft BC-12D · Biddle, MTJul 3, 1965 · N43567 · Destroyed NTSB SEA66F0058Accident · No injuriesClosedCessna 120 · Kalispell, MTJun 29, 1965 · N77423 · Destroyed NTSB SEA66D0078Accident · No injuriesClosedCessna 180 · Twin Bridges, MTJun 29, 1965 · N7630A · Substantial damage NTSB SEA66D0064Accident · No injuriesClosedCessna 182A · Schafer, MTJun 27, 1965 · N4767D · Substantial damage NTSB SEA66F0032Accident · No injuriesClosedCessna 180H · Devon, MTJun 23, 1965 · N4755U · Substantial damage NTSB SEA65A0068Accident · 1 fatalClosedCessna 210 · Opheim, MTJun 21, 1965 · N9418T · Destroyed NTSB SEA66F0036Accident · No injuriesClosedPiper J3C-65 · Missoula, MTJun 19, 1965 · N1190N · Substantial damage NTSB SEA66D0065Accident · No injuriesClosedPiper PA-18 · Galata, MTJun 19, 1965 · N2519A · Substantial damage NTSB SEA66D0055Accident · No injuriesClosedPiper PA-18 · Winifred, MTJun 10, 1965 · N4586A · Substantial damage NTSB SEA66F0038Accident · No injuriesClosedPiper J3L · Bloomfield, MTJun 8, 1965 · N30948 · Substantial damage NTSB SEA66F0035Accident · No injuriesClosedCessna 140A · Cut Bank, MTJun 8, 1965 · N9625A · Substantial damage NTSB SEA66D0040Accident · No injuriesClosedCallair A-9 · Boyd, MTJun 2, 1965 · N3556G · Substantial damage