# NTSB investigations: Engineering & Research ERCOUPE 415-C, OK

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB FTW97LA240](https://openairdocs.org/ntsb/FTW97LA240.md): Ercoupe Ercoupe 415-C · Ardmore, OK · Accident · Serious injuries · Limited investigation · Final report · Jun 29, 1997 · N2308H · Substantial damage
  > The pilot's failure to maintain clearance from the power line. Factors were his improper decision to continue the flight after he noted a loss of engine power during initial takeoff climb and the loss of engine power for an undetermined reason.
- [NTSB FTW89DPJ02](https://openairdocs.org/ntsb/FTW89DPJ02.md): Ercoupe 415C · Oklahoma City, OK · Accident · 2 fatal · Final report · Dec 21, 1988 · N99636 · Destroyed
  > During flight, the airplane appeared to go into a steep banked spiral from which it did not recover. It struck a two-car detached garage and then the ground. Inspection revealed that the fabric of both wings had been installed improperly, and part of the…
- [NTSB FTW83LA309](https://openairdocs.org/ntsb/FTW83LA309.md): Ercoupe 415-C · Elk City, OK · Accident · No injuries · Limited investigation · Final report · Jun 30, 1983 · N93624 · Substantial damage
  > The acft landed short of the rwy during a night landing following a x-country. The plt stated that he was on the approach to land and attempted to add power. The engine sputtered without an increase in power. The acft touched down 5 ft short of the rwy…
- [NTSB FTW74DPM07](https://openairdocs.org/ntsb/FTW74DPM07.md): Erco 415-C · Silver City, OK · Accident · No injuries · Closed · Sep 9, 1973 · N93319 · Substantial damage
- [NTSB FTW70F0029](https://openairdocs.org/ntsb/FTW70F0029.md): Erco 415-C · Pawhuska, OK · Accident · Serious injuries · Closed · May 27, 1969 · N2146H · Substantial damage
- [NTSB FTW68D0217](https://openairdocs.org/ntsb/FTW68D0217.md): Erco 415-C · Canute, OK · Accident · No injuries · Closed · Sep 3, 1967 · N2131H · Substantial damage
- [NTSB FTW67D0032](https://openairdocs.org/ntsb/FTW67D0032.md): Ercoupe 415-C · Altus, OK · Accident · No injuries · Closed · Jun 4, 1966 · N2131H · Substantial damage
- [NTSB UNK64X3048](https://openairdocs.org/ntsb/UNK64X3048.md): Ercoupe 415C · Bartlesville, OK · Accident · No injuries · Closed · Jul 26, 1964 · N94027 · Destroyed

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```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" = 'OK' 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 ('0420312'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0420312&state=OK

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.