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NTSB investigations, 1973, MD

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, 1973, MD per year, 1962–2026: 1,679 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	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" = '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\") = 1973
    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") = 1973
  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 IAD74AI036Accident · 1 fatalClosedBeech D95A · Hagerstown, MDDec 27, 1973 · N8566M · Destroyed NTSB IAD74FIG18Accident · Minor injuriesClosedPiper PA-22 · Edgewater, MDDec 15, 1973 · N5663Z · Substantial damage NTSB IAD74FIG16Accident · Serious injuriesClosedCessna 150 · Laurel, MDDec 4, 1973 · N19327 · Substantial damage NTSB IAD74FIG15Accident · No injuriesClosedPiper PA-28 · Frederick, MDDec 2, 1973 · N9185W · Substantial damage NTSB IAD74FIG14Accident · 1 fatalClosedVolksplane VP-1 · Uniontown, MDNov 23, 1973 · N47244 · Substantial damage NTSB IAD74FIG13Accident · No injuriesClosedPiper PA-24 · Aldino, MDNov 13, 1973 · N6970P · Substantial damage NTSB IAD74FIG11Accident · No injuriesClosedCessna 337F · Preston, MDSep 25, 1973 · N8922M · Substantial damage NTSB IAD74FIG10Accident · No injuriesClosedPiper J-3 · College Park, MDSep 23, 1973 · N38004 · Substantial damage NTSB IAD74AI017Accident · 2 fatalClosedBell 206A · Beltsville, MDSep 18, 1973 · N6294N · Destroyed NTSB IAD74FIG08Accident · Serious injuriesClosedLake 4-200 · Betterton, MDSep 2, 1973 · N39365 · Destroyed NTSB IAD74AI012Accident · Serious injuriesClosedBritish AC 1-11 · Baltimore, MDAug 15, 1973 · N136J · No damage NTSB IAD74FIG07Accident · No injuriesClosedPiper PA-24 · Edgewater, MDAug 13, 1973 · N9209P · Substantial damage NTSB IAD74AI010Accident · No injuriesClosedPiper PA-28R · Churchville, MDAug 13, 1973 · N56086 · 2 aircraft · Substantial damage NTSB IAD74FIA02Accident · No injuriesClosedPiper PA-22 · Brandywine, MDAug 11, 1973 · N3939P · Substantial damage NTSB IAD74FIA03Accident · No injuriesClosedPiper PA-28 · Newburg, MDAug 10, 1973 · N9096J · Substantial damage NTSB IAD74II009Incident · No injuriesClosedBeech D95A · Sparks, MDAug 8, 1973 · N6141V · 2 aircraft · Minor damage NTSB IAD74FIG06Accident · Minor injuriesClosedBell 47G-5 · Berlin, MDAug 4, 1973 · N1468W · Substantial damage NTSB IAD74FIG04Accident · Minor injuriesClosedCessna 150K · Edgewater, MDJul 27, 1973 · N6476G · Substantial damage NTSB IAD74FIG03Accident · Serious injuriesClosedPiper PA-28 · Middletown, MDJul 14, 1973 · N8333R · Substantial damage NTSB IAD74FIG02Accident · No injuriesClosedBrewster FLEET7 · Gaithersburg, MDJul 14, 1973 · N9433 · Substantial damage NTSB IAD74AI003Accident · No injuriesClosedLuscombe 8E · Pasadena, MDJul 8, 1973 · N1800K · 2 aircraft · Minor damage NTSB IAD74FIG01Accident · Minor injuriesClosedAmer Avco AA1 · Stevensville, MDJul 4, 1973 · N5787L · Substantial damage NTSB IAD73AI019Accident · Serious injuriesClosedPiper PA-30B · Cordova, MDJun 26, 1973 · N8005Y · Destroyed NTSB IAD73DIG28Accident · Minor injuriesClosedPiper PA-24 · Westminster, MDJun 15, 1973 · N8385P · Substantial damage NTSB IAD73FIG27Accident · No injuriesClosedPiper PA-24 · Baltimore, MDJun 4, 1973 · N8975P · Substantial damage NTSB IAD73FIA15Accident · No injuriesClosedFleet 2 · Huntington, MDMay 12, 1973 · N678M · Substantial damage NTSB IAD73FIG25Accident · No injuriesClosedCessna 172A · Essex, MDMay 6, 1973 · N7706T · Substantial damage NTSB IAD73FIG24Accident · No injuriesClosedCessna 195 · Federalsburg, MDApr 25, 1973 · N1593D · Substantial damage NTSB IAD73AI014Accident · 1 fatalClosedPiper PA-23 · Cumberland, MDApr 24, 1973 · N5557Y · Destroyed NTSB IAD73FIG22Accident · No injuriesClosedCessna 182P · Laurel, MDApr 11, 1973 · N79459 · Substantial damage NTSB IAD73FIG23Accident · No injuriesClosedCessna 182M · Stevensville, MDApr 6, 1973 · N91604 · Substantial damage NTSB IAD73DIG21Accident · No injuriesClosedCessna 150K · Salisbury, MDMar 17, 1973 · N6093G · Substantial damage NTSB NYC73AN101Accident · Serious injuriesClosedPiper PA-22 · Edgewater, MDJan 13, 1973 · N5483Z · 2 aircraft · Destroyed NTSB NYC73IN099Incident · No injuriesClosedDouglas DC-9 · Baltimore, MDJan 8, 1973 · N1291L · Minor damage NTSB NYC73AN096Accident · 3 fatalClosedMooney M20F · Elkton, MDJan 4, 1973 · N9570M · Destroyed