# NTSB investigations: American AA-1A, 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 CEN22LA241](https://openairdocs.org/ntsb/CEN22LA241.md): American AA-1A · Granite Falls, MN · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 10, 2022 · N9207L · Substantial damage
  > The pilot’s failure to maintain airplane control while in the airport traffic pattern that resulted in an uncontrolled descent and impact with terrain.
- [NTSB CHI84LA089](https://openairdocs.org/ntsb/CHI84LA089.md): Grumman AA-1A · Hawley, MN · Accident · No injuries · Limited investigation · Final report · Jan 18, 1984 · N9248L · Substantial damage
  > The acft ran into a snowbank during the landing roll and flipped over. The plt stated that the right brake pedal cylinder froze but this could not be confirmed during the investigation.
- [NTSB MKC76FER89](https://openairdocs.org/ntsb/MKC76FER89.md): American AA1-A · Pine City, MN · Accident · No injuries · Closed · Aug 14, 1976 · N9368L · Substantial damage
- [NTSB MKC73FER24](https://openairdocs.org/ntsb/MKC73FER24.md): Amer Avco AA1A · Eden Prairie, MN · Accident · No injuries · Closed · Oct 11, 1972 · N9217L · Substantial damage
- [NTSB MKC72DER65](https://openairdocs.org/ntsb/MKC72DER65.md): Amer Avco AA1A · Barnsville, MN · Accident · No injuries · Closed · Jun 10, 1972 · N9250L · 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 ('0630710'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0630710&state=MN

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