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NTSB investigations, 1971, IL

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, 1971, IL per year, 1962–2026: 5,040 cases
1962	2
1963	3
1964	182
1965	166
1966	229
1967	239
1968	199
1969	168
1970	175
1971	158
1972	144
1973	146
1974	143
1975	152
1976	129
1977	139
1978	171
1979	133
1980	121
1981	121
1982	97
1983	109
1984	94
1985	74
1986	70
1987	68
1988	79
1989	72
1990	62
1991	63
1992	64
1993	64
1994	62
1995	47
1996	46
1997	46
1998	37
1999	53
2000	47
2001	51
2002	43
2003	54
2004	31
2005	33
2006	35
2007	46
2008	50
2009	31
2010	42
2011	49
2012	30
2013	29
2014	31
2015	30
2016	32
2017	27
2018	27
2019	22
2020	27
2021	18
2022	30
2023	30
2024	16
2025	37
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") = 1971 AND c."eventStateOrRegion" = 'IL' 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\") = 1971
    AND c.\"eventStateOrRegion\" = 'IL' 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") = 1971
  AND c."eventStateOrRegion" = 'IL' 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 CHI72DEV20Accident · No injuriesClosedTaylorcraft BC12-D · Jacksonville, ILDec 31, 1971 · N95057 · Substantial damage NTSB CHI72AC056Accident · 2 fatalClosedPiper PA-24 · Rockford, ILDec 30, 1971 · N5518P · Destroyed NTSB CHI72IC055Incident · 1 fatalClosedLockheed Ga 382 · Chicago, ILDec 26, 1971 · N9258R · No damage NTSB CHI72FEE51Accident · No injuriesClosedBeech 18 · Chicago, ILDec 24, 1971 · N588K · Substantial damage NTSB CHI72AC051Accident · 2 fatalClosedCessna 320D · Springfield, ILDec 12, 1971 · N777K · Destroyed NTSB CHI72FEE48Accident · No injuriesClosedNavion B · Harvard, ILDec 11, 1971 · N5327K · Substantial damage NTSB CHI72FEE46Accident · No injuriesClosedCessna 150L · Libertyville, ILNov 30, 1971 · N6835G · Substantial damage NTSB CHI72FEE47Accident · No injuriesClosedPiper PA-12 · Elgin, ILNov 27, 1971 · N3847M · Substantial damage NTSB CHI72DEV18Accident · No injuriesClosedPiper PA-16 · Lawrenceville, ILNov 20, 1971 · N5899H · Substantial damage NTSB CHI72DEE45Accident · No injuriesClosedMooney M20B · Rockford, ILNov 13, 1971 · N74578 · Substantial damage NTSB CHI72FEE43Accident · No injuriesClosedCessna 310H · Elgin, ILNov 7, 1971 · N7171L · Destroyed NTSB CHI72DEE39Accident · No injuriesClosedPiper PA-23 · Streator, ILNov 2, 1971 · N5511Y · Substantial damage NTSB CHI72DEE44Accident · No injuriesClosedPiper PA-32 · Rockford, ILOct 30, 1971 · N757UG · Substantial damage NTSB CHI72FEE42Accident · No injuriesClosedBeech V35A · Kankakee, ILOct 29, 1971 · N7935R · Substantial damage NTSB DCA72AZ004Accident · 16 fatalClosedBeech E18S · Peoria, ILOct 21, 1971 · N51CS · Destroyed NTSB CHI72DEE40Accident · No injuriesClosedCessna 170B · Moline, ILOct 21, 1971 · N3532C · Substantial damage NTSB CHI72FEE41Accident · No injuriesClosedCessna 150 · Seneca, ILOct 20, 1971 · N5696G · Substantial damage NTSB CHI72DEE38Accident · No injuriesClosedCessna 150 · Sandwich, ILOct 18, 1971 · N5944G · Substantial damage NTSB CHI72DEV17Accident · No injuriesClosedPiper PA-25 · Ware, ILOct 15, 1971 · N4552Y · Substantial damage NTSB CHI72FEV16Accident · No injuriesClosedPiper PA-28 · Carlinville, ILOct 14, 1971 · N5889W · Substantial damage NTSB CHI72FEE35Accident · No injuriesClosedPiper PA-24 · Rockford, ILOct 12, 1971 · N8702P · Substantial damage NTSB CHI72FEE32Accident · No injuriesClosedBeech 95-B55 · Lockport, ILOct 9, 1971 · N7515N · Substantial damage NTSB CHI72AC034Accident · No injuriesClosedDouglas DC-9 · Chicago, ILOct 9, 1971 · N3308L · Minor damage NTSB CHI72AC033Accident · Minor injuriesClosedPiper PA-28 · Urbana, ILOct 9, 1971 · N6597W · 2 aircraft · Substantial damage NTSB CHI72FEE37Accident · No injuriesClosedCessna 150 · Chicago, ILOct 6, 1971 · N8405M · Destroyed NTSB CHI72FEE29Accident · No injuriesClosedKnight OW-1 · Maple Park, ILOct 4, 1971 · N1013Z · Substantial damage NTSB CHI72FEE30Accident · Serious injuriesClosedPiper PA-12 · Gardner, ILOct 3, 1971 · N3445M · Destroyed NTSB CHI72FCA01Accident · No injuriesClosedPiper PA-24 · E St Louis, ILOct 3, 1971 · N6886P · Substantial damage NTSB CHI72FEE33Accident · No injuriesClosedMooney M20E · Caledonia, ILOct 2, 1971 · N5979Q · Substantial damage NTSB CHI72FEE31Accident · No injuriesClosedPiper PA-22 · Mchenry, ILSep 29, 1971 · N4660Z · Destroyed NTSB CHI72AC029Accident · 4 fatalClosedCessna 177 · Hanna City, ILSep 27, 1971 · N3417T · Substantial damage NTSB CHI72DEE36Accident · No injuriesClosedChampion 7EC · Lasalle, ILSep 24, 1971 · N7459B · Substantial damage NTSB CHI72FEE28Accident · Serious injuriesClosedBell 47G-4A · Chicago, ILSep 22, 1971 · N4033G · Substantial damage NTSB CHI72FEE26Incident · No injuriesClosedPiper PA-24 · Rock Falls, ILSep 20, 1971 · N9065P · Minor damage NTSB CHI72DEE34Accident · No injuriesClosedCessna 310B · Rockford, ILSep 17, 1971 · N125ET · Substantial damage NTSB CHI72DEE27Accident · No injuriesClosedPiper PA-24 · Waukegan, ILSep 13, 1971 · N7232P · Substantial damage NTSB CHI72FEE22Accident · No injuriesClosedStinson 108 · West Chicago, ILSep 7, 1971 · N26448 · Substantial damage NTSB CHI72AC023Accident · Serious injuriesClosedDouglas DC-3 · Peotone, ILSep 6, 1971 · N44992 · Minor damage NTSB CHI72DEE23Accident · No injuriesClosedBeech C35 · Dekalb, ILSep 3, 1971 · N654D · Substantial damage NTSB CHI72DEE24Accident · No injuriesClosedPiper PA-28 · Clearing, ILSep 1, 1971 · N5875U · Substantial damage NTSB CHI72DEE25Accident · No injuriesClosedSiai-Marche S205 · Northbrook, ILAug 30, 1971 · N2832W · Substantial damage NTSB CHI72DEE21Accident · No injuriesClosedCessna 180 · Wheeling, ILAug 29, 1971 · N3868C · Substantial damage NTSB CHI72FEV14Accident · No injuriesClosedPiper PA-25 · Fisher, ILAug 24, 1971 · N4772Y · Substantial damage NTSB CHI72FEE18Accident · Minor injuriesClosedPiper PA-28 · Grayslake, ILAug 22, 1971 · N6652W · Substantial damage NTSB CHI72FEE17Accident · Minor injuriesClosedPiper PA-28 · Grayslake, ILAug 22, 1971 · N8415R · Substantial damage NTSB CHI72FEE16Accident · Minor injuriesClosedErco 415-C · Plainfield, ILAug 21, 1971 · N3088H · Substantial damage NTSB CHI72DEE20Accident · Minor injuriesClosedBeech V35 · Plainfield, ILAug 20, 1971 · N8452J · Substantial damage NTSB CHI72DEV15Accident · No injuriesClosedPiper PA-28 · Cropsey, ILAug 18, 1971 · N5233L · Substantial damage NTSB CHI72FEV13Accident · No injuriesClosedCessna 150 · Manito, ILAug 16, 1971 · N6510S · Substantial damage NTSB CHI72FEE15Accident · No injuriesClosedPiper PA-28 · Grayslake, ILAug 16, 1971 · N5691U · Substantial damage