# NTSB investigations: Champion 7EC, WI

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 CEN23LA250](https://openairdocs.org/ntsb/CEN23LA250.md): Champion 7EC · Waunakee, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 21, 2023 · N80461 · Substantial damage
  > A total loss of engine power during the initial takeoff climb due to a worn manual fuel primer pump locking mechanism, which resulted in an unlocked primer and an overly rich fuel mixture.
- [NTSB CHI06CA056](https://openairdocs.org/ntsb/CHI06CA056.md): Champion 7EC · Platteville, WI · Accident · Minor injuries · Data collection · Final report · Dec 23, 2005 · N7592B · Substantial damage
  > The student pilot not maintaining directional control during the landing. A factor was the snow bank the pilot encountered.
- [NTSB CHI68A0011](https://openairdocs.org/ntsb/CHI68A0011.md): Champion 7EC · Pewaukee, WI · Accident · 2 fatal · Closed · Jul 19, 1967 · N8577E · Destroyed
- [NTSB UNK64X1742](https://openairdocs.org/ntsb/UNK64X1742.md): Champion 7EC · Stevens Point, WI · Accident · No injuries · Closed · May 12, 1964 · 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" = 'WI' 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=WI

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