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NTSB investigations, 1971, MD

180,616 investigations by the National Transportation Safety Board since 1962: 174,594 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, 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") = 1971 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\") = 1971
    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") = 1971
  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 NYC72DIG17Accident · No injuriesClosedPiper PA-28 · Montgomery, MDDec 31, 1971 · N3978K · Substantial damage NTSB NYC72FIG16Accident · No injuriesClosedCessna 150J · Crownsville, MDDec 30, 1971 · N50534 · Substantial damage NTSB NYC72FIA10Accident · No injuriesClosedBeech A23-24 · Lexington Park, MDDec 20, 1971 · N5773V · Destroyed NTSB NYC72FIA09Accident · 2 fatalClosedLake LA-4A · Laplata, MDDec 12, 1971 · N1001L · Destroyed NTSB NYC72DIG15Accident · No injuriesClosedCessna 140 · Ocean City, MDDec 4, 1971 · N72619 · Substantial damage NTSB NYC72AN058Accident · 2 fatalClosedFairchild M-62A · Stevensville, MDOct 21, 1971 · N91022 · Destroyed NTSB NYC72FIG14Accident · Minor injuriesClosedGlobe GC-1B · Perry Hall, MDOct 16, 1971 · N80551 · Substantial damage NTSB NYC72AN041Accident · 3 fatalClosedCessna 337A · Boonsboro, MDSep 18, 1971 · N6333F · Destroyed NTSB NYC72DIA04Accident · No injuriesClosedChampion 7ECA · California, MDSep 11, 1971 · N5218X · Substantial damage NTSB NYC72FIG13Accident · Minor injuriesClosedMooney M20A · Mitchellville, MDSep 10, 1971 · N1082C · Substantial damage NTSB NYC72DIG12Accident · No injuriesClosedPiper PA-22 · Pasadena, MDSep 5, 1971 · N2240A · Substantial damage NTSB NYC72AN032Accident · 3 fatalClosedPiper PA-32 · Corriganville, MDSep 1, 1971 · N5225S · Destroyed NTSB NYC72AN030Accident · 3 fatalClosedPiper PA-28 · Accident, MDAug 27, 1971 · N6993W · Destroyed NTSB NYC72FIG10Accident · 1 fatalClosedDehavnd Can DHC-1B · Stevensville, MDAug 15, 1971 · N7749 · Destroyed NTSB NYC72AN024Accident · No injuriesClosedCessna 150K · Frederick, MDAug 13, 1971 · N6273G · 2 aircraft · Minor damage NTSB NYC72FIG06Accident · No injuriesClosedBell 47D-1 · Union Bridge, MDAug 12, 1971 · N4253A · Destroyed NTSB NYC72FIG09Accident · No injuriesClosedPiper PA-23 · Westminster, MDAug 9, 1971 · N2106P · Substantial damage NTSB NYC72FIG08Accident · No injuriesClosedPiper PA-28 · White Marsh, MDAug 7, 1971 · N5719U · Substantial damage NTSB NYC72DIG07Accident · No injuriesClosedCessna 182 · Cambridge, MDJul 21, 1971 · N3706D · Substantial damage NTSB IAD72AI003Accident · 1 fatalClosedPiper PA-28 · St.Michaels, MDJul 20, 1971 · N5298L · Destroyed NTSB IAD72FIG05Accident · Serious injuriesClosedMooney M20G · College Park, MDJul 16, 1971 · N3593X · Destroyed NTSB IAD72DIG03Accident · No injuriesClosedCessna 150 · Finksburg, MDJul 5, 1971 · N4538U · Substantial damage NTSB IAD72FIG02Accident · Minor injuriesClosedHughes 269B · Bowie, MDJul 4, 1971 · N9424F · Substantial damage NTSB IAD72FIG01Accident · No injuriesClosedBell 206A · Rosedale, MDJul 3, 1971 · N2282W · Substantial damage NTSB IAD72FIG33Accident · No injuriesClosedPiper PA-22 · White Marsh, MDJun 30, 1971 · N7106B · Substantial damage NTSB IAD71FIG32Accident · No injuriesClosedBeech 35 · Golts, MDJun 20, 1971 · N3043V · Substantial damage NTSB IAD71DIA22Accident · No injuriesClosedCessna 170B · Cobb Island, MDJun 13, 1971 · N3483D · Substantial damage NTSB IAD71FIG31Accident · Serious injuriesClosedBeech B35 · Stevensville, MDMay 31, 1971 · N5142C · Destroyed NTSB MIA71IM101Incident · No injuriesClosedDouglas DC-9 · Baltimore, MDMay 21, 1971 · N8962E · Minor damage NTSB IAD71FIA21Accident · Minor injuriesClosedCessna 150 · Lusby, MDMay 15, 1971 · N6426F · Substantial damage NTSB IAD71II052Incident · No injuriesClosedBeech B55 · Easton, MDMay 13, 1971 · N7956R · Minor damage NTSB IAD71AI050Accident · 1 fatalClosedCessna 172H · Hollywood, MDMay 8, 1971 · N2658L · Destroyed NTSB IAD71DIG30Accident · No injuriesClosedPiper PA-28 · Westminster, MDApr 27, 1971 · N6756W · Substantial damage NTSB IAD71FIG28Accident · Minor injuriesClosedCessna 172K · Fallston, MDApr 25, 1971 · N7028G · Destroyed NTSB IAD71FIG27Accident · Minor injuriesClosedPiper J3L-65 · Edgewater, MDApr 9, 1971 · N23Q · Substantial damage NTSB IAD71FIG29Accident · No injuriesClosedPiper PA-28 · White Marsh, MDApr 3, 1971 · N6692J · Substantial damage NTSB IAD71FIG26Accident · Serious injuriesClosedCessna 172 · College Park, MDMar 28, 1971 · N3704R · Substantial damage NTSB IAD71DIG25Accident · No injuriesClosedPiper J-3 · College Park, MDMar 6, 1971 · N70294 · Substantial damage NTSB IAD71II033Incident · No injuriesClosedBoeing 720 · Baltimore, MDJan 12, 1971 · N7207U · Minor damage