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NTSB investigations, 1966, MD

180,611 investigations by the National Transportation Safety Board since 1962: 174,590 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, 1966, 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") = 1966 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\") = 1966
    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") = 1966
  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 DIA67F0009Accident · No injuriesClosedLuscombe 8F · Gaithersburg, MDDec 31, 1966 · N802B · Substantial damage NTSB DIA67F0015Accident · No injuriesClosedPiper PA-28 · Frederick, MDDec 30, 1966 · N6496W · Substantial damage NTSB DIA67D0019Accident · No injuriesClosedPiper PA-22 · Laurel, MDDec 27, 1966 · N5413Z · Substantial damage NTSB NYC67A0094Accident · No injuriesClosedBrantly B-2B · Riverdale, MDDec 23, 1966 · N2277U · Substantial damage NTSB DIA67F0003Accident · No injuriesClosedPiper PA-23 · Stevensville, MDDec 18, 1966 · N5472Y · Substantial damage NTSB NYC67A0093Accident · 1 fatalClosedPiper PA-22 · Frederick, MDDec 10, 1966 · N8813D · Destroyed NTSB DIA67F0014Accident · No injuriesClosedPiper PA-28 · Friendship, MDDec 10, 1966 · N7959W · Substantial damage NTSB DIA67D0051Accident · No injuriesClosedBeech G35 · Rising Sun, MDDec 8, 1966 · N4619D · Substantial damage NTSB NYC67F0393Accident · No injuriesClosedBeech G35 · Gaithersburg, MDDec 1, 1966 · N227B · Substantial damage NTSB NYC67D0386Accident · No injuriesClosedPiper PA-23 · Waldorf, MDNov 30, 1966 · N5574Y · Substantial damage NTSB DIA67F0002Accident · Minor injuriesClosedCessna 150F · Hagerstown, MDNov 21, 1966 · N8075S · Substantial damage NTSB NYC67F0352Accident · No injuriesClosedAlon A-2 · Deale, MDNov 13, 1966 · N5616F · Substantial damage NTSB NYC67D0362Accident · No injuriesClosedCessna 150 · Lower Marlboro, MDNov 13, 1966 · N2553J · Substantial damage NTSB DCA67I0008Incident · No injuriesClosedLockheed 1049G · Andrews Afb, MDOct 26, 1966 · N6204G · No damage NTSB NYC67F0315Accident · No injuriesClosedCessna 210E · Newburg, MDOct 16, 1966 · N4974U · Substantial damage NTSB NYC67F0302Accident · No injuriesClosedPiper PA-23 · Baltimore, MDOct 16, 1966 · N244AP · Substantial damage NTSB NYC67F0301Accident · Minor injuriesClosedMooney M20C · Mitchellville, MDOct 11, 1966 · N78958 · Substantial damage NTSB NYC67D0269Accident · No injuriesClosedPiper PA-28 · College Park, MDOct 8, 1966 · N6453R · Substantial damage NTSB NYC67F0291Accident · Minor injuriesClosedChampion 7EC · Friendly, MDOct 2, 1966 · N7476B · Substantial damage NTSB NYC67A0050Accident · No injuriesClosedHiller 1100 · Hagerstown, MDSep 24, 1966 · N512FH · Substantial damage NTSB NYC67F0237Accident · No injuriesClosedStinson 108-1 · Clinton, MDSep 9, 1966 · N97749 · Substantial damage NTSB NYC67F0245Accident · Serious injuriesClosedCassutt Q SPL · Frederick, MDSep 5, 1966 · N190A · 2 aircraft · Destroyed NTSB NYC67A0044Accident · 1 fatalClosedArquilla WBB · Frederick, MDSep 4, 1966 · N88M · Destroyed NTSB NYC67A0042Accident · 2 fatalClosedHughes 269B · Tuxedo, MDSep 1, 1966 · N9359F · Destroyed NTSB NYC67D0214Accident · No injuriesClosedPiper PA-28 · Laurel, MDAug 31, 1966 · N8913W · Substantial damage NTSB NYC67D0215Accident · No injuriesClosedCessna 150 · Clinton, MDAug 27, 1966 · N8615F · Substantial damage NTSB NYC67A0032Accident · 1 fatalClosedPiper PA-22 · Ocean City, MDAug 19, 1966 · N2415A · Destroyed NTSB NYC67F0188Accident · Minor injuriesClosedCessna 140 · Princess Anne, MDAug 15, 1966 · N76942 · Substantial damage NTSB NYC67D0177Accident · No injuriesClosedCessna 150F · Hurlock, MDAug 13, 1966 · N8946S · Substantial damage NTSB NYC67D0157Accident · No injuriesClosedCessna 182E · Hagerstown, MDAug 7, 1966 · N3369Y · Substantial damage NTSB NYC67D0101Accident · No injuriesClosedCessna 182J · Rock Hall, MDJul 22, 1966 · N2899F · Substantial damage NTSB NYC67D0084Accident · No injuriesClosedCessna 150 · Clinton, MDJul 20, 1966 · N7007X · Substantial damage NTSB NYC67F0107Accident · No injuriesClosedPiper PA-18A · Huntington, MDJul 18, 1966 · N8158C · Substantial damage NTSB NYC67D0102Accident · No injuriesClosedCessna 150 · Gaithersburg, MDJul 12, 1966 · N7811E · Substantial damage NTSB NYC67F0088Accident · Minor injuriesClosedPiper PA-24 · Chester, MDJul 10, 1966 · N8361P · Substantial damage NTSB NYC67F0050Accident · No injuriesClosedBeech N35 · Hestertown, MDJun 26, 1966 · N376TE · Substantial damage NTSB NYC67F0030Accident · Serious injuriesClosedPiper J3 · Ellicott City, MDJun 23, 1966 · N98093 · Destroyed NTSB NYC67D0049Accident · No injuriesClosedLuscombe 8F · Newburg, MDJun 19, 1966 · N9926C · Substantial damage NTSB NYC67D0065Accident · No injuriesClosedCessna 150 · Frederick, MDJun 18, 1966 · N8052F · Substantial damage NTSB NYC66A0149Accident · No injuriesClosedBell 47D1 · Newark, MDJun 7, 1966 · N4227A · Substantial damage NTSB NYC66F0718Accident · No injuriesClosedPiper PA23 · Salisbury, MDJun 3, 1966 · N1067P · Substantial damage NTSB NYC66D0683Accident · Minor injuriesClosedCessna 182 · White Plains, MDJun 3, 1966 · N3312Y · Substantial damage NTSB NYC66D0684Accident · No injuriesClosedPiper PA-22 · Frederick, MDMay 29, 1966 · N8937D · Substantial damage NTSB NYC66F0712Accident · No injuriesClosedCessna 150 · Friendly, MDMay 24, 1966 · N8759S · Substantial damage NTSB NYC66A0714Accident · Serious injuriesClosedCessna 172 · Clinton, MDMay 20, 1966 · N6117E · Destroyed NTSB NYC66A0132Accident · No injuriesClosedBrantly 305 · Annapolis, MDMay 18, 1966 · N2214U · Substantial damage NTSB NYC66F0681Accident · Minor injuriesClosedPiper PA-17 · Frederick, MDMay 15, 1966 · N4693H · Substantial damage NTSB NYC66D0693Accident · No injuriesClosedBeech 95 · Drayden, MDMay 14, 1966 · N667T · Substantial damage NTSB NYC66F0633Accident · No injuriesClosedCessna 150 · Gaithersburg, MDMay 7, 1966 · N8612S · Substantial damage NTSB NYC66D0606Accident · No injuriesClosedPiper PA-28 · Laurel, MDApr 8, 1966 · N6378W · Substantial damage