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NTSB investigations, 1973, IN

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

19632026

NTSB investigations, 1973, IN per year, 1963–2026: 2,978 cases
1963	1
1964	107
1965	116
1966	119
1967	132
1968	106
1969	88
1970	83
1971	81
1972	88
1973	77
1974	66
1975	86
1976	78
1977	90
1978	95
1979	70
1980	76
1981	52
1982	55
1983	54
1984	55
1985	54
1986	58
1987	53
1988	66
1989	45
1990	42
1991	33
1992	29
1993	35
1994	38
1995	33
1996	31
1997	36
1998	35
1999	22
2000	34
2001	29
2002	25
2003	20
2004	26
2005	20
2006	28
2007	23
2008	22
2009	30
2010	27
2011	26
2012	26
2013	22
2014	16
2015	19
2016	23
2017	22
2018	19
2019	22
2020	17
2021	21
2022	21
2023	16
2024	17
2025	13
2026	9

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") = 1973 AND c."eventStateOrRegion" = 'IN' 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\") = 1973
    AND c.\"eventStateOrRegion\" = 'IN' 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") = 1973
  AND c."eventStateOrRegion" = 'IN' 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 CHI74FET16Accident · Serious injuriesClosedPiper PA-24 · Fort Wayne, INDec 27, 1973 · N8074D · Destroyed NTSB CHI74AC051Accident · 2 fatalClosedBeech 95-C55 · Rochester, INDec 19, 1973 · N6299V · Destroyed NTSB CHI74DET15Accident · No injuriesClosedBeech A35 · Logansport, INDec 9, 1973 · N708B · Destroyed NTSB CHI74DEA22Accident · No injuriesClosedPiper PA-22 · Francisco, INDec 1, 1973 · N4698Z · Substantial damage NTSB CHI74DEA21Accident · No injuriesClosedPiper PA-28R · Madison, INNov 23, 1973 · N9482N · Substantial damage NTSB CHI74AC042Accident · 5 fatalClosedCessna 421 · Plymouth, INNov 14, 1973 · N550T · Destroyed NTSB CHI74FEA20Accident · No injuriesClosedPiper PA-22 · Monroe City, INNov 12, 1973 · N4919Z · Substantial damage NTSB CHI74DEA19Accident · No injuriesClosedCessna 172 · Terre Haute, INNov 7, 1973 · N4423Q · Substantial damage NTSB CHI74FET11Accident · Serious injuriesClosedCessna 150 · Michigan City, INNov 2, 1973 · N6987G · Substantial damage NTSB CHI74DEA18Accident · Minor injuriesClosedCessna 150 · Brazil, INOct 27, 1973 · N4027J · Substantial damage NTSB CHI74FET12Accident · No injuriesClosedPiper PA-34 · Osceola, INOct 26, 1973 · N55145 · Substantial damage NTSB CHI74FEA17Accident · Minor injuriesClosedPiper PA-23 · Terre Haute, INOct 26, 1973 · N1365P · Destroyed NTSB CHI74FEA16Accident · Minor injuriesClosedCessna 172F · Lafayette, INOct 19, 1973 · N8509U · Substantial damage NTSB CHI74FEA15Accident · 1 fatalClosedCorbin B-ACE · Franklin, INOct 9, 1973 · N10BA · Destroyed NTSB CHI74AC027Accident · Minor injuriesClosedLockheed 1049H · Gary, INSep 24, 1973 · N566E · Substantial damage NTSB CHI74FEA14Accident · Serious injuriesClosedTeenie TWO · Monticello, INSep 23, 1973 · N99151 · Destroyed NTSB CHI74DET10Accident · Minor injuriesClosedCessna 172 · Peru, INSep 23, 1973 · N1617F · Substantial damage NTSB CHI74DEA13Accident · No injuriesClosedBell 47G-2A · Veedersburg, INSep 16, 1973 · N7579 · Substantial damage NTSB CHI74FET09Accident · No injuriesClosedCessna 182F · Elkhart, INSep 7, 1973 · N3260U · Substantial damage NTSB CHI74FET08Accident · Serious injuriesClosedCessna 182P · Valparaiso, INSep 5, 1973 · N58509 · Destroyed NTSB CHI74AC020Accident · 2 fatalClosedCessna 337A · Gary, INSep 4, 1973 · N6270F · 2 aircraft · Destroyed NTSB CHI74DET07Accident · Minor injuriesClosedLuscombe 8F · Crown Point, INAug 31, 1973 · N1883B · Substantial damage NTSB CHI74FEA09Accident · No injuriesClosedPiper PA-24 · Lanesville, INAug 26, 1973 · N8552P · Substantial damage NTSB CHI74DEA12Accident · No injuriesClosedPiper PA-28 · Radnor, INAug 26, 1973 · N6018W · Substantial damage NTSB CHI74AC016Accident · Serious injuriesClosedAero Comdr 520 · Michigan City, INAug 25, 1973 · N2634B · Destroyed NTSB CHI74AC015Accident · 1 fatalClosedStinson L-5E · Demotte, INAug 19, 1973 · N5163V · Destroyed NTSB CHI74FET06Accident · No injuriesClosedCessna 310C · Griffith, INAug 18, 1973 · N1845H · Substantial damage NTSB CHI74FET04Accident · No injuriesClosedPiper PA-23 · Walton, INAug 7, 1973 · N436CB · Substantial damage NTSB CHI74DEA08Accident · No injuriesClosedPiper PA-25 · Kentland, INAug 4, 1973 · N6569Z · Destroyed NTSB CHI74DET05Accident · No injuriesClosedPiper PA-25 · Morocco, INAug 2, 1973 · N7761Z · Substantial damage NTSB CHI74AC010Accident · 1 fatalClosedPiper PA-28R · Fountaintown, INAug 1, 1973 · N2102T · Destroyed NTSB CHI74DET02Accident · Serious injuriesClosedJeanies TWO · Merriville, INJul 30, 1973 · N4X · Substantial damage NTSB CHI74FEA06Accident · No injuriesClosedPiper PA-22 · Hartford City, INJul 28, 1973 · N3033Z · Substantial damage NTSB CHI74DEA10Accident · No injuriesClosedPiper PA-28 · Kokomo, INJul 27, 1973 · N5219T · Substantial damage NTSB CHI74DEA07Accident · No injuriesClosedGreat Lakes Baby · Anderson, INJul 15, 1973 · N132SP · Substantial damage NTSB CHI74FEA04Accident · Serious injuriesClosedBell 47G-3 · Dana, INJul 13, 1973 · N8416E · Substantial damage NTSB CHI74FEA11Accident · No injuriesClosedCessna 210D · Evansville, INJul 8, 1973 · N3804Y · Substantial damage NTSB CHI74FEA03Accident · No injuriesClosedBell 47G-2A · Little York, INJul 5, 1973 · N73257 · Substantial damage NTSB CHI74DEA05Accident · No injuriesClosedPitts S1-D · Greentown, INJul 5, 1973 · N6RD · Substantial damage NTSB CHI74FEA02Accident · No injuriesClosedAeronca 7AC · Speedway, INJul 4, 1973 · N84304 · Substantial damage NTSB CHI74AC003Accident · 4 fatalClosedCessna 172F · No.Webster, INJul 4, 1973 · N5526R · Destroyed NTSB CHI74AC001Accident · 4 fatalClosedCessna T210J · Pleasant Lake, INJul 2, 1973 · N20EA · Destroyed NTSB CHI74FEA01Accident · Minor injuriesClosedCessna 210 · North Vernon, INJul 1, 1973 · N9538T · Substantial damage NTSB CHI73FET25Accident · Minor injuriesClosedChampion 7KCAB · Griffith, INJun 25, 1973 · CF-ASI · Substantial damage NTSB CHI73DEA42Accident · No injuriesClosedPiper PA-20 · Portland, INJun 25, 1973 · N8290C · Substantial damage NTSB CHI73DEA40Accident · No injuriesClosedCessna 150F · Mc Cordsville, INJun 24, 1973 · N6427F · Substantial damage NTSB CHI73DEA39Accident · No injuriesClosedCessna 172 · Hagerstown, INJun 24, 1973 · N1642E · Substantial damage NTSB CHI73DEA41Accident · No injuriesClosedCessna 182 · Ramsey, INJun 22, 1973 · N5035D · Substantial damage NTSB CHI73FEA38Accident · Serious injuriesClosedBeech 23 · Lanesville, INJun 13, 1973 · N1493L · Destroyed NTSB CHI73AC095Accident · 1 fatalClosedRyan ST-3KR · Greenfield, INJun 9, 1973 · N47368 · Destroyed