# NTSB investigations: Ercoupe 415-D: Loss of control - in flight

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 SEA98LA066](https://openairdocs.org/ntsb/SEA98LA066.md): Ercoupe 415-D · Colstrip, MT · Accident · Minor injuries · Limited investigation · Final report · Apr 22, 1998 · N2777H · Substantial damage
  > The pilot's operation of the aircraft above maximum gross weight, resulting in her inability to attain a sustained climb rate after becoming airborne. A factor was high density altitude conditions.
- [NTSB SEA92FA061](https://openairdocs.org/ntsb/SEA92FA061.md): Ercoupe 415-D · Winthrop, WA · Accident · 1 fatal · Field investigation · Final report · Mar 16, 1992 · N86952 · Destroyed
  > The student pilot's alcoholic impairment of efficiency and judgement resulting in his failure to maintain airspeed during a go-around.
- [NTSB NYC91LA181](https://openairdocs.org/ntsb/NYC91LA181.md): Ercoupe 415D · Sacramento, KY · Accident · No injuries · Limited investigation · Final report · Jul 14, 1991 · N980DD · Destroyed
  > The pilot's decision to conduct flight with a known deficiency that adversely affected the aerodynamic characteristics of the aircraft.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0420326')
    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
```

This list as a web page: https://openairdocs.org/ntsb?model=0420326&occurrence=250

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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.
