# NTSB investigations: Engineering & Research ERCOUPE 415-C: Collision during takeoff/land

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 WPR24LA158](https://openairdocs.org/ntsb/WPR24LA158.md): Engineering & Research Ercoupe 415-C · Ontario, OR · Accident · Serious injuries · Class 3 · Limited · Final report · May 21, 2024 · N99577 · Substantial damage
  > The non-certificated pilot’s unstable approach to landing, which resulted in a collision with approach lighting, hard landing, and postimpact fire.
- [NTSB CEN23FA059](https://openairdocs.org/ntsb/CEN23FA059.md): Engineering & Research Ercoupe 415-C · Corning, IA · Accident · 1 fatal · Class 3 · Field · Final report · Dec 5, 2022 · N99345 · Destroyed
  > The pilot’s failure to maintain clearance from obstructions during a go-around, which resulted in impact with powerlines, a tree, and the ground.
- [NTSB GAA16CA105](https://openairdocs.org/ntsb/GAA16CA105.md): Engineering & Research Ercoupe 415 · Chappell, NE · Accident · No injuries · Data collection · Final report · Jan 13, 2016 · N87405 · Substantial damage
  > The pilot's inability to correct for a crosswind during the takeoff roll due to the interlinked flight control design, which resulted in a runway excursion, and a collision with terrain.
- [NTSB WPR10LA411](https://openairdocs.org/ntsb/WPR10LA411.md): Ercoupe 415 · Leavenworth, WA · Accident · Serious injuries · Limited investigation · Final report · Aug 18, 2010 · N2368H · Substantial damage
  > The pilot's failure to adequately evaluate the airport and its environment in relation to the aircraft’s performance, which resulted in the airplane's failure to attain sufficient altitude to clear trees during the initial climb.

## 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 ('0420312')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '490' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/490/sequence?model=0420312

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