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NTSB investigations, 1966, IA

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

19622026

NTSB investigations, 1966, IA per year, 1962–2026: 2,216 cases
1962	2
1963	2
1964	72
1965	74
1966	108
1967	129
1968	87
1969	98
1970	101
1971	105
1972	76
1973	53
1974	60
1975	49
1976	55
1977	57
1978	65
1979	51
1980	41
1981	60
1982	52
1983	53
1984	39
1985	35
1986	26
1987	30
1988	27
1989	24
1990	24
1991	23
1992	23
1993	22
1994	16
1995	12
1996	15
1997	22
1998	20
1999	18
2000	11
2001	7
2002	14
2003	20
2004	13
2005	13
2006	8
2007	17
2008	18
2009	17
2010	27
2011	23
2012	21
2013	15
2014	9
2015	13
2016	13
2017	16
2018	12
2019	9
2020	12
2021	16
2022	14
2023	17
2024	7
2025	13
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") = 1966 AND c."eventStateOrRegion" = 'IA' 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\") = 1966
    AND c.\"eventStateOrRegion\" = 'IA' 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") = 1966
  AND c."eventStateOrRegion" = 'IA' 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 MKC67D0395Accident · No injuriesClosedCessna 120 · Marion, IADec 31, 1966 · N2672N · Substantial damage NTSB MKC67D0375Accident · No injuriesClosedPiper PA-22 · Grundy Cntr, IADec 31, 1966 · N2486P · Substantial damage NTSB MKC67D0349Accident · Minor injuriesClosedCessna 210F · Fort Dodge, IADec 25, 1966 · N1870F · Substantial damage NTSB MKC67D0370Accident · No injuriesClosedCessna 150F · Alta Vista, IADec 24, 1966 · N2431J · Substantial damage NTSB MKC67D0340Accident · Minor injuriesClosedChampion 7FC · Riceville, IADec 4, 1966 · N9852Y · Substantial damage NTSB MKC67F0333Accident · No injuriesClosedPiper PA-22 · Ames, IADec 3, 1966 · N8421D · Substantial damage NTSB MKC67F0319Accident · Serious injuriesClosedPiper PA-22 · Ames, IANov 26, 1966 · N1517P · Destroyed NTSB MKC67F0353Accident · Serious injuriesClosedMooney M20E · Council Blfs, IANov 23, 1966 · N79354 · Destroyed NTSB MKC67A0036Accident · 2 fatalClosedCessna 172G · Elkhorn, IANov 23, 1966 · N4170L · Destroyed NTSB MKC67D0334Accident · No injuriesClosedCessna 150F · Jefferson, IANov 19, 1966 · N7996F · Substantial damage NTSB MKC67D0308Accident · No injuriesClosedBeech 95-55 · Keokuk, IANov 13, 1966 · N610WA · Substantial damage NTSB MKC67D0321Accident · No injuriesClosedCessna 175 · Stratford, IANov 12, 1966 · N7116M · Substantial damage NTSB MKC67D0297Accident · No injuriesClosedCessna 140 · Moorhead, IANov 12, 1966 · N76487 · Substantial damage NTSB MKC67A0034Accident · No injuriesClosedBell 47G · Hariton, IANov 7, 1966 · N4734S · Substantial damage NTSB MKC67D0309Accident · No injuriesClosedPiper PA-28 · Clare, IANov 6, 1966 · N9239J · Substantial damage NTSB MKC67D0286Accident · No injuriesClosedBeech S35 · Des Moines, IANov 4, 1966 · N8678Q · Substantial damage NTSB MKC67F0282Accident · Serious injuriesClosedCessna 182J · Waterloo, IANov 2, 1966 · N2905F · No damage NTSB MKC67D0261Accident · No injuriesClosedCessna 310 · Osage, IAOct 24, 1966 · N4845B · Substantial damage NTSB MKC67D0289Accident · No injuriesClosedPiper PA-22 · Manson, IAOct 23, 1966 · N5333Z · Substantial damage NTSB MKC67F0267Accident · Minor injuriesClosedCessna 206 · Clear Lake, IAOct 19, 1966 · N4644F · Substantial damage NTSB MKC67A0030Accident · 2 fatalClosedPiper PA-24 · Muscatine, IAOct 18, 1966 · N9108P · Destroyed NTSB MKC67D0255Accident · No injuriesClosedPiper PA-22 · De Witt, IAOct 16, 1966 · N4744A · Substantial damage NTSB MKC67F0254Accident · No injuriesClosedPiper PA-23 · Des Moines, IAOct 15, 1966 · N6193Y · Substantial damage NTSB MKC67D0260Accident · No injuriesClosedCessna 175A · Cedar Rapids, IAOct 10, 1966 · N6917E · Substantial damage NTSB MKC67D0275Accident · No injuriesClosedCessna 172 · Anita, IAOct 9, 1966 · N8799B · Substantial damage NTSB MKC67D0225Accident · No injuriesClosedPiper PA-22 · Lebanon, IAOct 2, 1966 · N6166D · Substantial damage NTSB MKC67A0027Accident · 2 fatalClosedPiper PA-28 · Iowa City, IAOct 2, 1966 · N7180W · Destroyed NTSB MKC67F0269Accident · No injuriesClosedBeech H35 · Waterloo, IASep 23, 1966 · N5429D · Substantial damage NTSB MKC67D0242Accident · Minor injuriesClosedCessna 172 · George, IASep 23, 1966 · N7774X · Substantial damage NTSB MKC67D0211Accident · No injuriesClosedPiper PA-32 · Crescent, IASep 22, 1966 · N3717W · Substantial damage NTSB MKC67D0292Accident · No injuriesClosedBeech 35 · Davenport, IASep 21, 1966 · N87X · Substantial damage NTSB MKC67D0247Accident · No injuriesClosedPiper PA-24 · Waterloo, IASep 21, 1966 · N7095P · Substantial damage NTSB MKC67D0241Accident · No injuriesClosedBeech 95-A55 · Mt.Pleasant, IASep 21, 1966 · N998Q · Substantial damage NTSB MKC67F0199Accident · Minor injuriesClosedAeronca 058B · Essex, IASep 5, 1966 · N48243 · Substantial damage NTSB MKC67D0197Accident · No injuriesClosedPiper PA-24 · Shenandoah, IASep 3, 1966 · N6245P · Substantial damage NTSB MKC67F0207Accident · No injuriesClosedMooney M20A · Ottumwa, IAAug 30, 1966 · N1081B · Substantial damage NTSB MKC67A0019Accident · No injuriesClosedBrantly B-2A · Center Point, IAAug 30, 1966 · N2282U · Substantial damage NTSB MKC67D0183Accident · No injuriesClosedPiper PA-25 · Wilton Junct, IAAug 27, 1966 · N6241Z · Substantial damage NTSB MKC67D0164Accident · No injuriesClosedCessna 150F · Boone, IAAug 23, 1966 · N6999F · Substantial damage NTSB MKC67A0014Accident · 2 fatalClosedWittman 11E · Glenwood, IAAug 21, 1966 · N211S · Destroyed NTSB MKC67D0184Accident · No injuriesClosedCessna 182E · Mediapolis, IAAug 18, 1966 · N9348X · Substantial damage NTSB MKC67F0160Accident · No injuriesClosedPiper PA-23 · Columbus Jct, IAAug 17, 1966 · N4529P · Substantial damage NTSB MKC67D0175Accident · No injuriesClosedBeech A23 · Marshalltown, IAAug 17, 1966 · N2390W · Substantial damage NTSB MKC67F0124Accident · No injuriesClosedPiper PA-12 · Allison, IAAug 14, 1966 · N2674M · Substantial damage NTSB MKC67D0158Accident · No injuriesClosed172 · Dayton, IAAug 14, 1966 · N6055R · Substantial damage NTSB MKC67D0149Accident · No injuriesClosedBeech A23A · Council Blfs, IAAug 13, 1966 · N2307W · Substantial damage NTSB MKC67D0154Accident · No injuriesClosedCessna 150 · Davenport, IAAug 11, 1966 · N6292T · Substantial damage NTSB MKC67D0155Accident · No injuriesClosedCessna 140 · La Porte Cty, IAAug 10, 1966 · N1999N · Substantial damage NTSB MKC67F0147Accident · Minor injuriesClosedMong A-2 · Clinton, IAAug 7, 1966 · N100F · Destroyed NTSB MKC67F0112Accident · No injuriesClosedCessna 182B · Oskaloosa, IAAug 7, 1966 · N2611G · Substantial damage