# NTSB investigations: Ercoupe 415-C, 1990

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 SEA91LA033](https://openairdocs.org/ntsb/SEA91LA033.md): Erco 415-C · Ola, ID · Accident · 1 fatal · Limited investigation · Final report · Dec 8, 1990 · N3522H · Destroyed
  > The pilot's failure to maintain sufficient altitude for terrain clearance. Also causal was the pilot's impairment due to alcohol. Contributing factors were the night light condition and the hilly terrain.
- [NTSB CHI91DEM01](https://openairdocs.org/ntsb/CHI91DEM01.md): Ercoupe 415C · Shelby, MI · Accident · 1 fatal · Final report · Nov 3, 1990 · N9409B · Destroyed
  > The pilot's continued flight into IMC.
- [NTSB FTW90LA187](https://openairdocs.org/ntsb/FTW90LA187.md): Ercoupe 415-C · Greers Ferry, AR · Accident · 1 fatal · Limited investigation · Final report · Sep 30, 1990 · N3673H · Destroyed
  > The pilot's decision to penetrate adverse weather and the resultant spatial disorientation. Factors were the weather conditions and the pilot's lack of instrument training/experience.
- [NTSB CHI90LA207](https://openairdocs.org/ntsb/CHI90LA207.md): Aircoupe F-1 · Washington, MO · Accident · No injuries · Limited investigation · Final report · Jul 23, 1990 · N93905 · 2 aircraft · Minor damage
  > Failure of the other aircraft's pilot to maintain an adequate visual lookout prior to turning to final. A factor in the accident was the restricted visual lookout for this aircraft's pilot.
- [NTSB DEN90LA137](https://openairdocs.org/ntsb/DEN90LA137.md): Ercoupe 415C · Truth/Consequen, NM · Accident · Minor injuries · Limited investigation · Final report · Jun 16, 1990 · N94351 · Substantial damage
  > The pilot's failure to maintain proper airspeed and obtain a proper climb rate after takeoff.

## 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 year(c."eventDate") = 1990
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0420322'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0420322&year=1990

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