# NTSB investigations: Champion 7ECA, 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 BFO88FA011](https://openairdocs.org/ntsb/BFO88FA011.md): Champion 7ECA · Keymar, MD · Accident · 1 fatal · Field investigation · Final report · Dec 25, 1987 · N11089 · Destroyed
  > Witnesses heard and observed the aircraft takeoff, bank to the left, and nose down into the adjoining dirt field with no change in engine sound. Exam of the wreckage revealed that an elevator cable had separated at a point where grounding strap was found to…
- [NTSB IAD77FIG15](https://openairdocs.org/ntsb/IAD77FIG15.md): Champion 7ECA · Churchville, MD · Accident · Minor injuries · Closed · Mar 27, 1977 · N11030 · Substantial damage
- [NTSB IAD75FIG21](https://openairdocs.org/ntsb/IAD75FIG21.md): Champion 7ECA · Lantz, MD · Accident · Minor injuries · Closed · Jun 7, 1975 · N11049 · Destroyed
- [NTSB NYC66D0337](https://openairdocs.org/ntsb/NYC66D0337.md): Champion 7ECA · Clinton, MD · Accident · No injuries · Closed · Oct 31, 1965 · N9539S · 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 ('21101NN'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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