# NTSB investigations: Champion 7AC, OR

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 SEA91FA156](https://openairdocs.org/ntsb/SEA91FA156.md): Champion 7AC · Burns, OR · Accident · 2 fatal · Field investigation · Final report · Jul 6, 1991 · N3006E · Substantial damage
  > Improper inflight planning/decision by the student pilot (pilot-in-command), and his failure to maintain adequate airspeed, which resulted in a stall. Factors related to the accident were: physical impairment of the student pilot/owner/operator from carbon…
- [NTSB SEA84LA197](https://openairdocs.org/ntsb/SEA84LA197.md): Aeronca 7AC · Prineville, OR · Accident · No injuries · Limited investigation · Final report · Aug 9, 1984 · N83233 · Substantial damage
  > While maneuvering plt heard a loud chatter coming from the engine accompanied by a loss of power. Plt reduced remaining power and initiated a forced landing in a rough barley field. Post accident investigation revealed the crankshaft broke near the number two…
- [NTSB SEA82DYM02](https://openairdocs.org/ntsb/SEA82DYM02.md): Aeronca 7AC · Corvallis, OR · Accident · No injuries · Closed · Oct 11, 1981 · N82043 · 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" = 'OR' 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=OR

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