# NTSB investigations: Champion 7EC, SD

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 CHI07CA155](https://openairdocs.org/ntsb/CHI07CA155.md): Champion 7EC · Sioux Falls, SD · Accident · No injuries · Data collection · Final report · May 25, 2007 · N9904Y · Substantial damage
  > The pilot's inadequate compensation for the wind conditions and the excessive pull-up during the initial takeoff climb which resulted in the stall. A factor associated with the accident was the crosswind condition.
- [NTSB DEN90LA070](https://openairdocs.org/ntsb/DEN90LA070.md): Champion 7EC · Pine Ridge, SD · Accident · 1 fatal · Limited investigation · Final report · Mar 4, 1990 · N4301C · Destroyed
  > The failure of the pilot to maintain an adequate airspeed, after diverting his attention, which resulted in an inadvertent stall.
- [NTSB DEN84LA099](https://openairdocs.org/ntsb/DEN84LA099.md): Champion 7EC · Wall, SD · Accident · No injuries · Limited investigation · Final report · Jan 27, 1984 · N7406B · Substantial damage
  > The acft crashed during a flight for the purpose of observing the plt's cattle. The plt stated he was 'making a steep left turn at about 75 feet and the bottom (left) wing flew into a wind shear on the downward side of a hill. The airplane slid to the left…
- [NTSB MKC70D0172](https://openairdocs.org/ntsb/MKC70D0172.md): Champion 7EC · Pierre, SD · Accident · No injuries · Closed · Aug 29, 1969 · N8973R · 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" = 'SD' 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 ('21101NM'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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