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NTSB investigations, 1970, 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, 1970, 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") = 1970 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\") = 1970
    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") = 1970
  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 MKC71DCD46Accident · No injuriesClosedBeech 95-B55 · Mason City, IADec 31, 1970 · N291BP · Substantial damage NTSB MKC71DCD47Accident · Serious injuriesClosedCessna 182J · Mason City, IADec 27, 1970 · N2857F · No damage NTSB MKC71DCD42Accident · No injuriesClosedPiper PA-22 · Sibley, IADec 27, 1970 · N6836B · Substantial damage NTSB MKC71DCD45Accident · No injuriesClosedChampion 7ECA · Council Bluf, IADec 20, 1970 · N11098 · Substantial damage NTSB MKC71DCD43Accident · No injuriesClosedPiper PA-24 · Shenandoah, IADec 19, 1970 · N9164P · Substantial damage NTSB MKC71FCD41Accident · Minor injuriesClosedCessna 182J · Oskaloosa, IADec 18, 1970 · N3136F · Substantial damage NTSB MKC71DCD44Accident · No injuriesClosedCessna 150E · Johnston, IADec 13, 1970 · N6230R · Substantial damage NTSB MKC71DCD40Accident · No injuriesClosedCessna 172K · Johnston, IADec 5, 1970 · N84093 · Substantial damage NTSB MKC71DCD38Accident · No injuriesClosedCessna 150 · Iowa City, IADec 5, 1970 · N7105S · Substantial damage NTSB CHI71DGD32Accident · No injuriesClosedBeech B23 · Port Clinton, IADec 5, 1970 · N6989Q · Substantial damage NTSB MKC71DCD36Accident · Minor injuriesClosedPiper PA-28 · Denison, IANov 29, 1970 · N8299N · Substantial damage NTSB MKC71DCD39Accident · No injuriesClosedCessna P206 · Spencer, IANov 27, 1970 · N8631Z · Substantial damage NTSB MKC71FCD33Accident · Serious injuriesClosedCessna 150 · Oasis, IANov 24, 1970 · N7835F · Substantial damage NTSB MKC71DCD35Accident · No injuriesClosedBeech BE-23 · Davenport, IANov 24, 1970 · N6066N · Substantial damage NTSB MKC71DCD37Accident · No injuriesClosedPiper PA-22 · Cedar Rapids, IANov 22, 1970 · N8963D · Substantial damage NTSB MKC71DCD34Accident · No injuriesClosedBeech 19A · Des Moines, IANov 20, 1970 · N7642R · Substantial damage NTSB MKC71DCD32Accident · No injuriesClosedBeech B35 · Burlington, IANov 7, 1970 · N5268C · Substantial damage NTSB MKC71IK024Incident · 1 fatalClosedBoeing 707 · Dubuque, IAOct 28, 1970 · N739TW · No damage NTSB MKC71FCJ28Accident · No injuriesClosedCessna 205 · Harlan, IAOct 25, 1970 · N8212Z · Substantial damage NTSB MKC71FCD30Accident · No injuriesClosedPiper PA-28 · Earlham, IAOct 25, 1970 · N2500U · Substantial damage NTSB MKC71DCD31Accident · No injuriesClosedCessna 120 · Fairfield, IAOct 15, 1970 · N3593V · Substantial damage NTSB MKC71AK016Accident · Serious injuriesClosedCessna 337C · Keokuk, IASep 29, 1970 · N2553S · 2 aircraft · Destroyed NTSB MKC71FCD28Accident · Minor injuriesClosedCessna 150K · Council Bluf, IASep 26, 1970 · N6419G · Substantial damage NTSB MKC71DCD29Accident · No injuriesClosedCessna 150H · Center Point, IASep 22, 1970 · N22017 · Substantial damage NTSB MKC71DDM23Accident · No injuriesClosedPiper PA-28 · Marshall, IASep 11, 1970 · N6302R · Substantial damage NTSB MKC71DCD27Accident · No injuriesClosedMooney M20C · Gilman, IASep 7, 1970 · N3370X · Substantial damage NTSB MKC71DCD25Accident · No injuriesClosedBeech 23 · Elkader, IASep 4, 1970 · N2357Q · Substantial damage NTSB MKC71DCD26Accident · No injuriesClosedBeech A-23 · Whiting, IASep 3, 1970 · N9107T · Substantial damage NTSB MKC71FCD20Accident · Minor injuriesClosedCessna U206 · Holstein, IAAug 30, 1970 · N5297U · Substantial damage NTSB MKC71AK010Accident · 2 fatalClosedCessna 150D · Osage, IAAug 27, 1970 · N5933T · 2 aircraft · Destroyed NTSB MKC71FCD21Accident · No injuriesClosedCessna 150K · Leighton, IAAug 26, 1970 · N6274G · Substantial damage NTSB UNK70X0113Accident · 3 fatalClosedPiper PA-22 · Mason City, IAAug 22, 1970 · N3714P · Destroyed NTSB MKC71DCD23Accident · Minor injuriesClosedPiper PA-11 · Emerson, IAAug 18, 1970 · N5509H · Substantial damage NTSB MKC71DCD24Accident · No injuriesClosedCallair A-9 · Paton, IAAug 15, 1970 · N3564G · Substantial damage NTSB MKC71DCD18Accident · No injuriesClosedPiper PA-24 · Waterloo, IAAug 14, 1970 · N9118P · Substantial damage NTSB MKC71DCD19Accident · No injuriesClosedAero Comdr A-9B · Hardy, IAAug 11, 1970 · N7779V · Substantial damage NTSB MKC71DCD14Accident · Minor injuriesClosedCessna 150F · Lenox, IAAug 6, 1970 · N8206F · Substantial damage NTSB MKC71DCD17Accident · No injuriesClosedCessna 150K · Iowa Falls, IAAug 2, 1970 · N5684G · Substantial damage NTSB MKC71DCD16Accident · No injuriesClosedGrumman G-164 · Oskaloosa, IAJul 28, 1970 · N549Y · Substantial damage NTSB MKC71DCD11Accident · No injuriesClosedMooney M20C · Martelle, IAJul 28, 1970 · N1299X · Substantial damage NTSB MKC71DCD12Accident · No injuriesClosedBrantly B2B · Storm Lake, IAJul 27, 1970 · N2288U · Substantial damage NTSB MKC71DCD06Accident · Minor injuriesClosedCessna 150J · Muscatine, IAJul 26, 1970 · N50500 · Substantial damage NTSB MKC71DCD10Accident · No injuriesClosedPiper PA-23 · Grand Junctn, IAJul 23, 1970 · N1309P · Substantial damage NTSB MKC71FCD05Accident · No injuriesClosedPietenpol AAA-1 · Ottumwa, IAJul 21, 1970 · NX4716 · Substantial damage NTSB MKC71DCD13Accident · No injuriesClosedBell 47G-5 · Conrad, IAJul 21, 1970 · N8140J · Substantial damage NTSB MKC71DCD09Accident · No injuriesClosedCessna 210A · Winterset, IAJul 20, 1970 · N6654X · Substantial damage NTSB MKC71DCD15Accident · No injuriesClosedLuscombe 8E · Independence, IAJul 19, 1970 · N2680K · Substantial damage NTSB MKC71FCD04Accident · Minor injuriesClosedBeech G35 · Thayer, IAJul 14, 1970 · N4563D · Substantial damage NTSB MKC71DCD07Accident · No injuriesClosedAeronca 7GC · Cresco, IAJul 12, 1970 · N7535E · Substantial damage NTSB MKC71DCD03Accident · No injuriesClosedPiper PA-24 · Glidden, IAJul 11, 1970 · N7481P · Substantial damage