# NTSB investigations: Champion 7AC: Abrupt maneuver

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 LAX87LA333](https://openairdocs.org/ntsb/LAX87LA333.md): Aeronca Champ 7AC · Victorville, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 11, 1987 · N85022 · Substantial damage
  > While climbing out over a ridge, the instructor, who was sitting in back, heard his student yell something. The instructor looked out the front windscreen just in time to see powerlines. Simultaneously, the student pushed the stick forward to go under the…
- [NTSB DEN87LA075](https://openairdocs.org/ntsb/DEN87LA075.md): Aeronca 7AC · Columbus, MT · Accident · No injuries · Limited investigation · Final report · Mar 28, 1987 · N6050V · Substantial damage
  > A pre-solo student and CFI were practicing landings. The CFI reduced pwr on climbout at 300 to 400 feet. During the discussion of what to do in case of lost pwr on takeoff, the student executed a steep, 180 degree turn, toward the arpt. The acft stalled, and…

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('21101MA')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 100))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=21101MA&occurrence=100

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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.