NTSB investigations, 1981, Place not recorded

180,604 investigations by the National Transportation Safety Board since 1962: 174,583 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

19642026

NTSB investigations, 1981, Place not recorded per year, 1964–2026: 203 cases
1964	1
1965	12
1966	9
1967	12
1968	6
1969	16
1970	12
1971	7
1972	16
1973	11
1974	14
1975	15
1976	8
1977	6
1978	18
1979	19
1980	11
1981	10

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") = 1981 AND c."eventStateOrRegion" = 'UN' 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\") = 1981
    AND c.\"eventStateOrRegion\" = 'UN' 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") = 1981
  AND c."eventStateOrRegion" = 'UN' 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 CHI82DAMS1Accident · 3 fatalClosedCessna 182A · Missing AircraftDec 4, 1981 · N5173D · Destroyed NTSB ANC82DA005Accident · 1 fatalClosedCessna 170B · Missing AircraftOct 22, 1981 · N4640C · Destroyed NTSB ANC81DA113Accident · 4 fatalClosedCessna 180H · Missing AircraftSep 2, 1981 · N3498Y · Destroyed NTSB ANC81DA107Accident · 1 fatalClosedMooney 20 · Missing AircraftAug 28, 1981 · N9409V · Destroyed NTSB ANC81FA101Accident · 4 fatalClosedCessna 180H · Missing AircraftAug 17, 1981 · N3424Y · Destroyed NTSB CHI81DAMS5Accident · 4 fatalClosedCessna 180 · Missing AircraftAug 1, 1981 · N4988E · Destroyed NTSB ANC81DA073Accident · 4 fatalClosedCessna A185F · Missing AircraftJul 18, 1981 · N7607G · Destroyed NTSB SEA81FAMS2Accident · 1 fatalClosedBeech A36-TC · Missing AircraftFeb 12, 1981 · N36TP · Destroyed NTSB LAX81DAMS2Accident · 2 fatalClosedPiper PA-24 · Missing AircraftFeb 3, 1981 · N5731P · Destroyed NTSB MIA81DA035Accident · 4 fatalClosedBeech C35 · Missing AircraftJan 6, 1981 · N5805C · Destroyed