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NTSB investigations, 1970, MT

180,616 investigations by the National Transportation Safety Board since 1962: 174,594 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, 1970, 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") = 1970 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\") = 1970
    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") = 1970
  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 SEA71FDG18Accident · No injuriesClosedCessna 205 · Winston, MTDec 17, 1970 · N8383Z · Substantial damage NTSB SEA71DDG20Accident · No injuriesClosedCessna 182 · Dutton, MTDec 17, 1970 · N71654 · Substantial damage NTSB SEA71DDA11Accident · No injuriesClosedPiper PA-18 · Garryowen, MTDec 4, 1970 · N8109Y · Substantial damage NTSB SEA71FDG19Accident · No injuriesClosedCessna 120 · Whitewater, MTDec 1, 1970 · N77416 · Substantial damage NTSB SEA71FDA08Accident · No injuriesClosedCessna 180H · Billings, MTNov 15, 1970 · N4772U · Substantial damage NTSB SEA71DDA10Accident · No injuriesClosedCessna 150F · Glendive, MTNov 15, 1970 · N3557L · Substantial damage NTSB SEA71DDA09Accident · No injuriesClosedAeronca 7AC · Opheim, MTNov 15, 1970 · N81782 · Substantial damage NTSB DEN71AD020Accident · 5 fatalClosedCessna 180 · Missoula, MTNov 1, 1970 · N1757C · 2 aircraft · Destroyed NTSB SEA71DDG17Accident · No injuriesClosedPiper PA-28 · Livingston, MTOct 31, 1970 · N7164R · Substantial damage NTSB SEA71FDG16Accident · Serious injuriesClosedMooney M20F · Cameron, MTOct 30, 1970 · N9646M · Substantial damage NTSB SEA71AS023Accident · 2 fatalClosedPiper PA-14 · Carlyle, MTOct 30, 1970 · N4266H · Destroyed NTSB SEA71DDG14Accident · Minor injuriesClosedMooney M20C · Melrose, MTSep 17, 1970 · N5637Q · Substantial damage NTSB SEA71FDG13Accident · No injuriesClosedCessna 170A · Fort Benton, MTSep 14, 1970 · N9543A · Substantial damage NTSB SEA71DDG11Accident · No injuriesClosedCessna 210 · Missoula, MTAug 30, 1970 · N6921R · Substantial damage NTSB SEA71AS010Accident · 1 fatalClosedMooney M20E · Big Fork, MTAug 23, 1970 · N6013Q · Destroyed NTSB SEA71DDA07Accident · No injuriesClosedTaylorcraft BC12-D · Melstone, MTAug 21, 1970 · N43333 · Substantial damage NTSB SEA71DDG10Accident · No injuriesClosedCessna 172A · Loring, MTAug 19, 1970 · N7308T · Substantial damage NTSB SEA71FDA05Accident · Serious injuriesClosedStinson 108-2 · Red Lodge, MTAug 17, 1970 · N454C · Destroyed NTSB SEA71DDA06Accident · No injuriesClosedCessna 180 · Kirby, MTAug 16, 1970 · N2951C · Substantial damage NTSB SEA71FDG09Accident · No injuriesClosedMooney M20A · Libby, MTAug 13, 1970 · CF-WKP · Substantial damage NTSB SEA71FDA04Accident · No injuriesClosedPiper PA-18A · Garryowen, MTAug 13, 1970 · N1190C · Substantial damage NTSB SEA71FDG15Accident · No injuriesClosedMooney M20E · Kalispell, MTAug 11, 1970 · N9228V · Substantial damage NTSB SEA71FDA02Accident · No injuriesClosedCessna 170B · Billings, MTAug 7, 1970 · N2304D · Substantial damage NTSB SEA71DDG08Accident · Minor injuriesClosedCessna 172 · Butte, MTAug 5, 1970 · N84748 · Substantial damage NTSB SEA71DDA03Accident · No injuriesClosedPiper PA-18 · Lavina, MTAug 4, 1970 · N5480H · Substantial damage NTSB SEA71FDG07Accident · No injuriesClosedLuscombe 8F · Butte, MTAug 2, 1970 · N1995B · Substantial damage NTSB SEA71FDG06Accident · No injuriesClosedBeech J35 · Helena, MTJul 21, 1970 · N3036C · Substantial damage NTSB SEA71FDG05Accident · No injuriesClosedPiper PA-23 · Helena, MTJul 16, 1970 · N1279P · Substantial damage NTSB SEA71DDG04Accident · No injuriesClosedPiper PA-18A · Brady, MTJul 15, 1970 · N2696P · Substantial damage NTSB SEA71FDG03Accident · No injuriesClosedPiper J3 · Cut Bank, MTJul 9, 1970 · N31162 · Substantial damage NTSB SEA71FDA01Accident · No injuriesClosedBeech A-23 · Roundup, MTJul 7, 1970 · N8886M · Substantial damage NTSB SEA71DDG02Accident · No injuriesClosedStinson 108-2 · Floweree, MTJul 7, 1970 · N9850K · Substantial damage NTSB SEA71FDG01Accident · No injuriesClosedPiper PA-25 · Gallatin Gwy, MTJul 3, 1970 · N6441Z · Substantial damage NTSB SEA70DDG15Accident · No injuriesClosedPiper PA-32 · Three Forks, MTJun 30, 1970 · N4193W · Substantial damage NTSB SEA70DDG13Accident · No injuriesClosedPiper PA-28 · Fairfield, MTJun 28, 1970 · N7338J · Substantial damage NTSB SEA70FDA16Accident · Serious injuriesClosedPiper PA-18 · Wolf Point, MTJun 27, 1970 · N7078B · Destroyed NTSB SEA70DDG14Accident · No injuriesClosedCessna 172 · Kremlin, MTJun 27, 1970 · N8251X · Substantial damage NTSB SEA70FDA15Accident · No injuriesClosedCessna 182 · Joliet, MTJun 24, 1970 · N5417B · Substantial damage NTSB SEA70DDA17Accident · No injuriesClosedPiper PA-18 · Poplar, MTJun 21, 1970 · N3595Z · Substantial damage NTSB SEA70DDG12Accident · No injuriesClosedCessna 172G · Belgrade, MTJun 16, 1970 · N6029R · Substantial damage NTSB SEA70DDA14Accident · No injuriesClosedCessna 150 · Billings, MTJun 15, 1970 · N5656G · Substantial damage NTSB SEA70FDG11Accident · 1 fatalClosedPiper PA-18 · Turner, MTJun 12, 1970 · N1917A · Destroyed NTSB SEA70FDA12Accident · No injuriesClosedCallair A-9 · Moore, MTJun 7, 1970 · N7230V · Substantial damage NTSB SEA70FDA11Accident · No injuriesClosedPiper PA-25 · Lindsay, MTJun 6, 1970 · N6483Z · Substantial damage NTSB SEA70FDG09Accident · No injuriesClosedHiller Acft UH-12B · Sandcoulee, MTJun 3, 1970 · N3112G · Substantial damage NTSB SEA70FDG08Accident · No injuriesClosedPiper PA-18 · Cascade, MTJun 3, 1970 · N4884A · Substantial damage NTSB SEA70DDA10Accident · No injuriesClosedPiper PA-18 · Sidney, MTJun 3, 1970 · N3190Z · Substantial damage NTSB SEA70FDA09Accident · No injuriesClosedPiper PA-28 · Baker, MTJun 1, 1970 · N8641W · Substantial damage NTSB SEA70DDA08Accident · No injuriesClosedPiper PA-25 · Billings, MTMay 31, 1970 · N4337Y · Substantial damage NTSB SEA70FDG06Accident · 1 fatalClosedPiper PA-25 · Big Sandy, MTMay 25, 1970 · N7003Z · Destroyed