NTSB investigations: Engineering & Research 415-C, CA

9 cases on aircraft the registry lists as Engineering & Research 415-C. 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: Engineering & Research 415-C, CA per year, 1964–2026: 9 cases
1964	1
1965	3
1967	1
1978	1
1990	1
2002	1
2009	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 c."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0420302')) 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 c.\"eventStateOrRegion\" = 'CA' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0420302'))
  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 c."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0420302'))
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 WPR09LA337Accident · Minor injuriesLimited investigationFinal reportEngineering & Research 415C · Corona, CAA total loss of engine power during cruise flight for undetermined reasons.Jul 11, 2009 · N87295 · Substantial damage NTSB LAX02LA270Accident · Minor injuriesLimited investigationFinal reportErcoupe 415-C · Fresno, CAa loss of engine power for undetermined reasons.Aug 31, 2002 · N87204 · Substantial damage NTSB LAX91LA051Accident · Minor injuriesLimited investigationFinal reportErcoupe 415-C · Madera, CAEngine failure due to a plugged vent line, affecting the ability of the system to transfer fuel to the main tank.Dec 9, 1990 · N3080H · Substantial damage NTSB OAK79FVM02Accident · No injuriesClosedErco 415-C · King City, CAOct 8, 1978 · N99133 · Substantial damage NTSB LAX68F0099Accident · Minor injuriesClosedErco 415-C · Colton, CAAug 21, 1967 · N93585 · Destroyed NTSB LAX66A0009Accident · 1 fatalClosedErcoupe 415C · Santa Rosa, CAJul 19, 1965 · N3599H · Destroyed NTSB LAX65F0061Accident · No injuriesClosedErcoupe 415C · Carlsbad, CAMay 6, 1965 · N87192 · Substantial damage NTSB LAX65D0040Accident · No injuriesClosedErcoupe 415C · Santa Susana, CAMar 28, 1965 · N2285H · Substantial damage NTSB UNK64X0706Accident · No injuriesClosedErcoupe 415C · Thermal, CAFeb 27, 1964 · N93511 · Substantial damage