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NTSB investigations, 1976, MD

180,630 investigations by the National Transportation Safety Board since 1962: 174,609 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, 1976, MD per year, 1962–2026: 1,680 cases
1962	2
1963	1
1964	76
1965	81
1966	68
1967	72
1968	52
1969	69
1970	56
1971	39
1972	36
1973	35
1974	35
1975	32
1976	40
1977	41
1978	31
1979	29
1980	25
1981	22
1982	29
1983	34
1984	28
1985	30
1986	26
1987	32
1988	25
1989	33
1990	29
1991	21
1992	25
1993	16
1994	18
1995	24
1996	27
1997	25
1998	20
1999	24
2000	18
2001	19
2002	12
2003	12
2004	11
2005	11
2006	19
2007	13
2008	20
2009	13
2010	21
2011	23
2012	10
2013	15
2014	13
2015	20
2016	10
2017	14
2018	12
2019	17
2020	12
2021	10
2022	17
2023	8
2024	7
2025	5
2026	10

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") = 1976 AND c."eventStateOrRegion" = 'MD' 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\") = 1976
    AND c.\"eventStateOrRegion\" = 'MD' 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") = 1976
  AND c."eventStateOrRegion" = 'MD' 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 IAD77FIG09Accident · Serious injuriesClosedCurtis MSTNG2 · Mitchelville, MDDec 19, 1976 · N2987 · Destroyed NTSB IAD77FA016Accident · 2 fatalClosedBoeing A75 · Crofton, MDDec 19, 1976 · N63806 · Substantial damage NTSB DCA77AA008Accident · Serious injuriesClosedPiper PA-28 · Baltimore, MDDec 19, 1976 · N6276J · Substantial damage NTSB IAD77FIA06Accident · Minor injuriesClosedCessna 182 · Friendly, MDDec 11, 1976 · N52581 · Substantial damage NTSB IAD77FIG05Accident · Minor injuriesClosedCessna 177 · Middle River, MDNov 21, 1976 · N4010K · Substantial damage NTSB IAD77FIG04Accident · Serious injuriesClosedEvans VP-2 · Westminster, MDNov 19, 1976 · N60BH · Substantial damage NTSB IAD77FIA03Accident · No injuriesClosedGrum Amer AA1-B · Leonardtown, MDOct 29, 1976 · N1476R · Substantial damage NTSB IAD77FIG02Accident · No injuriesClosedBeech B35 · Mitchellville, MDOct 16, 1976 · N3889N · Substantial damage NTSB IAD77DIG03Accident · No injuriesClosedCessna 150 · Easton, MDOct 16, 1976 · N7574U · Substantial damage NTSB IAD77FIG01Accident · Minor injuriesClosedCessna 182P · Hagerstown, MDOct 11, 1976 · N91388 · Substantial damage NTSB IAD76FIG27Accident · No injuriesClosedCessna 150 · Silver Springs, MDSep 23, 1976 · N50657 · Substantial damage NTSB IAD76FIG26Accident · No injuriesClosedBellanca 7KCAB · Bowie, MDSep 14, 1976 · N6360N · Substantial damage NTSB IAD76AI099Accident · 1 fatalClosedAmer Avco AA1 · Frederick, MDSep 12, 1976 · N6137L · Destroyed NTSB IAD76FIG28Accident · Minor injuriesClosedLuscombe 8E · Mitchellville, MDSep 7, 1976 · N1205K · Substantial damage NTSB IAD76FIG24Accident · Serious injuriesClosedSoneria 1 · Frederick, MDAug 22, 1976 · N131RA · Substantial damage NTSB IAD76AI089Accident · 1 fatalClosedBellanca 7GCBC · Ocean City, MDAug 6, 1976 · N11863 · Destroyed NTSB IAD76FIG23Accident · No injuriesClosedCessna 172M · Stevensville, MDAug 4, 1976 · N20594 · Substantial damage NTSB IAD76FIA13Accident · No injuriesClosedCessna 180 · Clinton, MDJul 28, 1976 · N19TW · Substantial damage NTSB IAD76FIG22Accident · No injuriesClosedLuscombe 8E · Mchenry, MDJul 11, 1976 · N1737K · Substantial damage NTSB IAD76FIG21Accident · No injuriesClosedBeech C35 · Annapolis, MDJul 11, 1976 · N652D · Substantial damage NTSB IAD76FIG20Accident · No injuriesClosedPiper PA-28 · Baltimore, MDJul 3, 1976 · N33859 · Substantial damage NTSB IAD76FIG19Accident · Minor injuriesClosedCessna 172 · Laurel, MDJun 26, 1976 · N6315E · Substantial damage NTSB IAD76DIG17Accident · No injuriesClosedAeronca 7CCM · Cumberland, MDJun 8, 1976 · N4635E · Substantial damage NTSB IAD76FIG16Accident · Minor injuriesClosedHughes 269B · Gaithersburgh, MDMay 31, 1976 · N9397F · Substantial damage NTSB IAD76FIG18Accident · No injuriesClosedFourney 415-D · Pasadena, MDMay 22, 1976 · N71D · Substantial damage NTSB IAD76FIG14Accident · No injuriesClosedGrumman G-164A · Downsville, MDApr 24, 1976 · N9828 · Substantial damage NTSB IAD76FIG15Accident · No injuriesClosedGrum Amer AA1-B · College Park, MDApr 23, 1976 · N9859L · Substantial damage NTSB IAD76FIA09Accident · No injuriesClosedCessna 177 · Clinton, MDMar 27, 1976 · N30198 · Substantial damage NTSB IAD76FIG13Accident · Serious injuriesClosedPiper J3C-65 · Mt Airy, MDMar 26, 1976 · N51537 · Destroyed NTSB IAD76FIG12Accident · No injuriesClosedPiper PA-28 · White Marsh, MDMar 12, 1976 · N5731U · Substantial damage NTSB IAD76AI062Accident · 1 fatalClosedCessna 172L · Accident, MDMar 12, 1976 · N4368Q · Substantial damage NTSB IAD76FIA06Accident · 1 fatalClosedSmith Mini · Lexington Park, MDMar 4, 1976 · N10G · Destroyed NTSB IAD76FIG11Accident · No injuriesClosedBellanca 7ECA · Fort Meade, MDFeb 28, 1976 · N36174 · Substantial damage NTSB IAD76FIA10Accident · Minor injuriesClosedCessna 150M · College Park, MDFeb 15, 1976 · N2978V · Substantial damage NTSB IAD76FIG09Accident · No injuriesClosedPiper PA-22 · College Park, MDFeb 8, 1976 · N3944P · Destroyed NTSB IAD76AI054Accident · 3 fatalClosedMitsubishi MU-2B · Easton, MDFeb 8, 1976 · N300MA · Destroyed NTSB IAD76FIA05Accident · No injuriesClosedCessna 177 · Clinton, MDJan 29, 1976 · N3430T · Substantial damage NTSB IAD76FIG08Accident · Minor injuriesClosedCessna 150 · Baltimore, MDJan 28, 1976 · N60489 · Substantial damage NTSB IAD76AI050Accident · 2 fatalClosedBeech D95A · Gaithersburg, MDJan 17, 1976 · N9388Y · Destroyed NTSB IAD76AI047Accident · 1 fatalClosedSikorsky S-55 · California, MDJan 9, 1976 · N3498 · Substantial damage