# NTSB investigations: Champion 7EC: In flight collision with object

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 ANC91FA023](https://openairdocs.org/ntsb/ANC91FA023.md): Champion 7EC · Eagle River, AK · Accident · No injuries · Field investigation · Final report · Feb 2, 1991 · N8988R · Substantial damage
  > The pilot-in-command's failure to maintain clearance from the terrain.
- [NTSB ANC87FA033](https://openairdocs.org/ntsb/ANC87FA033.md): Champion 7EC · Kenai, AK · Accident · No injuries · Field investigation · Final report · Jan 31, 1987 · N7539B · Substantial damage
  > The pilot allowed the wing tip to descend into brush and willows while turning to avoid obscured sky conditions. The turn was downwind and the airplane stalled and struck the snow while skidding sideways.

## 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 ('21101NM')
    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" = 220))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=21101NM&occurrence=220

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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.