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NTSB investigations, 1969, 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, 1969, 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") = 1969 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\") = 1969
    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") = 1969
  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 SEA70D0141Accident · No injuriesClosedCessna 175 · Ryegate, MTDec 29, 1969 · N6670E · Substantial damage NTSB SEA70A0026Accident · 4 fatalClosedCessna 180 · Conrad, MTDec 19, 1969 · N4951A · Destroyed NTSB SEA70F0126Accident · No injuriesClosedBeech J35 · Billings, MTDec 16, 1969 · N8263D · Substantial damage NTSB SEA70D0124Accident · No injuriesClosedMaule M-4 · Great Falls, MTDec 9, 1969 · N9830M · Substantial damage NTSB SEA70D0153Accident · No injuriesClosedCessna 172D · Malta, MTOct 23, 1969 · N2177Y · Substantial damage NTSB SEA70D0113Accident · No injuriesClosedCessna 182 · Broadus, MTOct 17, 1969 · N70616 · Substantial damage NTSB SEA70A0014Accident · 1 fatalClosedCessna 320A · Conner, MTOct 10, 1969 · N3016R · Destroyed NTSB DEN70A0024Accident · 1 fatalClosedCessna 175 · Eureka, MTOct 7, 1969 · N9303B · Destroyed NTSB SEA70D0103Accident · No injuriesClosedCessna 150 · Broadus, MTOct 4, 1969 · N4622X · Substantial damage NTSB SEA70D0088Accident · Minor injuriesClosedCessna 182J · Neihart, MTSep 24, 1969 · N2774F · Substantial damage NTSB SEA70F0094Accident · Serious injuriesClosedCessna 185 · Helena, MTSep 23, 1969 · N9995X · Substantial damage NTSB SEA70D0092Accident · No injuriesClosedCessna 150J · Augusta, MTSep 23, 1969 · N51188 · Destroyed NTSB SEA70D0079Accident · No injuriesClosedBell 47G-3 · Circle, MTSep 12, 1969 · N6787D · Substantial damage NTSB SEA70F0066Accident · No injuriesClosedCessna 120 · Helena, MTSep 6, 1969 · N76215 · Substantial damage NTSB SEA70F0078Accident · No injuriesClosedBeech A23-24 · Belgrade, MTSep 3, 1969 · N3629Q · Substantial damage NTSB SEA70F0076Accident · No injuriesClosedCessna 195 · Three Forks, MTAug 30, 1969 · N9369A · Substantial damage NTSB DEN70A0013Accident · 1 fatalClosedCessna 182L · Bridger, MTAug 26, 1969 · N3147R · Destroyed NTSB SEA70D0059Accident · No injuriesClosedPiper PA-22 · Rapelje, MTAug 10, 1969 · N3455Z · Substantial damage NTSB SEA70F0056Accident · No injuriesClosedHiller Acft UH-12B · Billings, MTAug 5, 1969 · N3112G · Substantial damage NTSB SEA70A0008Accident · 3 fatalClosedBeech D95A · Livingston, MTAug 2, 1969 · N8920U · Destroyed NTSB SEA70D0058Accident · No injuriesClosedCessna 140A · Hingham, MTAug 1, 1969 · N9625A · Substantial damage NTSB SEA70F0027Accident · No injuriesClosedCessna 180 · Birney, MTJul 22, 1969 · N5194E · Substantial damage NTSB SEA70D0047Accident · No injuriesClosedBeech C35 · Belgrade, MTJul 20, 1969 · N1939D · Substantial damage NTSB SEA70F0042Accident · No injuriesClosedMaule M-4 · Kalispell, MTJul 18, 1969 · N4703T · Substantial damage NTSB SEA70F0018Accident · No injuriesClosedBrantly B-2 · Helena, MTJul 14, 1969 · N5987X · Substantial damage NTSB SEA70F0029Accident · No injuriesClosedWills BW-9 · Bigfork, MTJul 4, 1969 · N92883 · Substantial damage NTSB SEA70A0001Accident · 2 fatalClosedMooney M20E · Helena, MTJul 3, 1969 · N9054V · Substantial damage NTSB SEA70F0031Accident · Minor injuriesClosedTaylorcraft BC12-D · Kalispell, MTJul 1, 1969 · N95581 · Substantial damage NTSB SEA70D0021Accident · No injuriesClosedCessna 150 · Shonkin, MTJun 30, 1969 · N8164F · Substantial damage NTSB SEA70F0037Accident · No injuriesClosedPiper PA-22 · Forsyth, MTJun 28, 1969 · N3611P · Substantial damage NTSB DEN69A0053Accident · 4 fatalClosedCessna 182C · Great Falls, MTJun 25, 1969 · N8847T · Destroyed NTSB SEA70F0017Accident · Serious injuriesClosedBell 47G-3 · Deer Lodge, MTJun 4, 1969 · N8409E · Destroyed NTSB SEA70F0013Accident · Serious injuriesClosedCallair A-9 · Great Falls, MTJun 4, 1969 · N7204V · Destroyed NTSB SEA69D0263Accident · No injuriesClosedCessna 180 · Livingston, MTMay 27, 1969 · N9120C · Substantial damage NTSB SEA69F0254Accident · No injuriesClosedCessna 180A · Harrison, MTMay 9, 1969 · N180F · Substantial damage NTSB SEA69F0250Accident · No injuriesClosedCallair A-9 · St.Xavier, MTMay 5, 1969 · N7223V · Substantial damage NTSB SEA69F0253Accident · 1 fatalClosedPiper PA-24 · Plains, MTApr 29, 1969 · N7311P · Destroyed NTSB SEA69F0248Accident · No injuriesClosedCessna 150F · Malta, MTApr 26, 1969 · N8738S · Substantial damage NTSB SEA69F0237Accident · No injuriesClosedCessna 210 · Butte, MTApr 23, 1969 · N3797Y · Substantial damage NTSB SEA69F0217Accident · No injuriesClosedBrantly B-2B · Lodge Grass, MTApr 23, 1969 · N2186U · Substantial damage NTSB SEA69F0249Accident · 1 fatalClosedPiper PA-25 · Geraldine, MTApr 10, 1969 · N7291Z · Destroyed NTSB SEA69F0203Accident · No injuriesClosedHughes 269B · Missoula, MTApr 7, 1969 · N9355F · Substantial damage NTSB SEA69F0251Accident · Serious injuriesClosedMooney M20F · Melville, MTApr 6, 1969 · N2974L · Destroyed NTSB SEA69F0236Accident · No injuriesClosedErco 415-C · Kalispell, MTMar 29, 1969 · N93316 · Substantial damage NTSB SEA69F0204Incident · No injuriesClosedCessna 150 · W Yellwstone, MTMar 21, 1969 · CF-XVM · Minor damage NTSB SEA69A0049Accident · 3 fatalClosedCessna 175 · Four Buttes, MTMar 14, 1969 · N9499B · Destroyed NTSB SEA69D0209Accident · No injuriesClosedCessna 180 · Choteau, MTMar 2, 1969 · N2447F · Substantial damage NTSB SEA69D0211Accident · No injuriesClosedCessna 140A · Poplar, MTFeb 24, 1969 · N5600C · Substantial damage NTSB SEA69D0186Accident · No injuriesClosedPiper PA-28 · Chester, MTFeb 16, 1969 · N5342W · Substantial damage NTSB SEA69D0210Accident · No injuriesClosedPiper PA-23 · Great Falls, MTFeb 14, 1969 · N5121Y · Substantial damage