# NTSB investigations: Champion 7AC, MN

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 CEN22LA114](https://openairdocs.org/ntsb/CEN22LA114.md): Aeronca 7AC · Cook, MN · Accident · No injuries · Class 4 · Limited · Final report · Jan 29, 2022 · N2923E · Substantial damage
  > The pilot’s failure to ensure the snow-covered takeoff area was safe, which resulted in a collision with ice and subsequent landing gear damage.
- [NTSB MKC80DER08](https://openairdocs.org/ntsb/MKC80DER08.md): Aeronca 7AC · Alexandria, MN · Accident · Minor injuries · Closed · Oct 28, 1979 · N85121 · Substantial damage
- [NTSB MKC71FDM44](https://openairdocs.org/ntsb/MKC71FDM44.md): Champion 7AC · Pillager, MN · Accident · Minor injuries · Closed · Jan 23, 1971 · N3569E · Substantial damage
- [NTSB MKC68D0336](https://openairdocs.org/ntsb/MKC68D0336.md): Aeronca 7AC · Buffalo, MN · Accident · No injuries · Closed · Oct 23, 1967 · N82455 · Substantial damage
- [NTSB UNK64X0996](https://openairdocs.org/ntsb/UNK64X0996.md): Aeronca 7BCM · Angle Lake, MN · Accident · No injuries · Closed · Mar 20, 1964 · N2663E · 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" = 'MN' 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 ('21101MA'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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