NTSB investigations: Aero Commander 520, 1964

9 cases on aircraft the registry lists as Aero Commander 520. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19642026

NTSB investigations: Aero Commander 520, 1964 per year, 1964–2026: 69 cases
1964	9
1965	9
1966	5
1967	8
1968	4
1969	5
1970	3
1971	3
1972	3
1973	4
1974	3
1976	1
1977	1
1979	2
1981	2
1982	1
1983	1
1984	2
1986	1
1987	1
2002	1

Where

Open the map

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") = 1964 AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0141202')) 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\") = 1964
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0141202'))
  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") = 1964
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0141202'))
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 UNK65X1190Accident · Serious injuriesClosedAero Comdr 520 · Miami Beach, FLDec 30, 1964 · N4120B · Destroyed NTSB UNK65X0610Accident · No injuriesClosedAero Cmdr 520 · Chicago, ILNov 8, 1964 · N4172B · Substantial damage NTSB UNK65X0604Accident · No injuriesClosedAero Cmdr 520 · Honolulu, HINov 8, 1964 · N4169B · Substantial damage NTSB UNK64X3707Accident · No injuriesClosedAero Comm 520 · Taylor City, NCAug 31, 1964 · N4180B · Substantial damage NTSB UNK64X3550Accident · 2 fatalClosedAero Comdr 520 · Fairbanks, AKAug 22, 1964 · N688C · Destroyed NTSB UNK64X2556Accident · No injuriesClosedAero Cmdr 520 · Pembroke, CanadaJun 29, 1964 · N501K · Substantial damage NTSB UNK64X1857Accident · No injuriesClosedAero Comm 520 · Indianapolis, INMay 20, 1964 · N4108B · Substantial damage NTSB UNK64X1477Accident · Serious injuriesClosedAero Comm 520 · Ft Lauderdale, FLApr 26, 1964 · N9094R · Destroyed NTSB UNK64X1390Accident · No injuriesClosedAero Comm 520 · Brewster, WAApr 20, 1964 · N4154B · Substantial damage