NTSB investigations: Engineering & Research ERCOUPE 415-C

6 cases on aircraft the registry lists as Engineering & Research ERCOUPE 415-C, where the first occurrence was “Loss of control - in flight”. 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

19832026

NTSB investigations: Engineering & Research ERCOUPE 415-C per year, 1983–2026: 6 cases
1983	1
1984	1
1988	1
1989	1
1991	1
2007	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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0420312') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 250)) 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0420312')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 250))
  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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0420312')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 250))
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 MIA07CA128Accident · Minor injuriesData collectionFinal reportEngineering & Research Ercoupe 415-C · Valkaria, FLThe pilot's failure to maintain airspeed which resulted in an inadvertent stall and subsequent collision with the runway.Jul 29, 2007 · N87026 · Substantial damage NTSB SEA91LA211Accident · No injuriesLimited investigationFinal reportErcoupe 415C · Anaconda, MTAn inadvertent stall during initial climb. The high density altitude and a premature liftoff by the pilot were factors.Aug 17, 1991 · N2069H · Substantial damage NTSB DEN89LA151Accident · No injuriesLimited investigationFinal reportErcoupe 415C · Ennis, MTThe failure of the pilot to maintain airspeed, which resulted in an inadvertent stall.Jul 2, 1989 · N3246H · Substantial damage NTSB NYC88LA197Accident · Serious injuriesLimited investigationFinal reportErco 415C · W. Bloomfield, NYShorlty after takeoff at about 150 feet a.g.l., the pilot lost control of the airplane and crashed in a corn field about 0.5 mile from airport. A passenger reported that they encountered a wind gust and the pilot was unable to control the airplane.Jul 29, 1988 · N94011 · Destroyed NTSB CHI84LA206Accident · Serious injuriesLimited investigationFinal reportErcoupe 415C · Sturtevant, WIAccording to the plt, he was making a hi speed taxi check when the acft lifted off to about 5 ft AGL. After lift-off, the acft began to go to the left. When the plt applied right rudder, the plane veered further left & crashed in an onion field. An exam of…May 27, 1984 · N93939 · Substantial damage NTSB MIA83LA166Accident · No injuriesLimited investigationFinal reportErcoupe 415-C · Yulee, FLThe plt stated that during takeoff, the acft entered a 'right turn' after it had climbed appx 25 ft above the rwy. Reportedly, full control inputs to the left failed to correct the right bank. When the plt saw the acft heading for trees to the right, he…Jun 24, 1983 · N2045H · Substantial damage