# NTSB investigations: Ercoupe 415-C, MD

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 BFO96LA038](https://openairdocs.org/ntsb/BFO96LA038.md): Ercoupe 415-C · Hurlock, MD · Accident · No injuries · Limited investigation · Final report · Jan 14, 1996 · N87424 · Substantial damage
  > inadequate inspection by maintenance personnel which failed to detect a fatigue crack, and resulted in an in-flight crankshaft fracture and propeller assembly separation. A related factor was the deep snow encountered during the subsequent forced landing.
- [NTSB IAD71FIG06](https://openairdocs.org/ntsb/IAD71FIG06.md): Erco 415-C · Cumberland, MD · Accident · Serious injuries · Closed · Aug 2, 1970 · N2154H · Substantial damage
- [NTSB IAD70DIG15](https://openairdocs.org/ntsb/IAD70DIG15.md): Erco 415-C · College Park, MD · Accident · No injuries · Closed · May 2, 1970 · N2237H · Substantial damage
- [NTSB DIA68F0183](https://openairdocs.org/ntsb/DIA68F0183.md): Erco 415-C · Gaithersburg, MD · Accident · No injuries · Closed · Mar 15, 1968 · N2541H · Substantial damage
- [NTSB DIA68D0019](https://openairdocs.org/ntsb/DIA68D0019.md): Erco 415-C · Mitchellville, MD · Accident · No injuries · Closed · Jun 13, 1967 · N94394 · Substantial damage

## 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" = 'MD' 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 ('0420322'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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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.
