# NTSB investigations: American AA-1, 1990

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 ATL90LA165](https://openairdocs.org/ntsb/ATL90LA165.md): Grumman AA1 · Gainesville, GA · Accident · No injuries · Limited investigation · Final report · Aug 27, 1990 · N6169L · Substantial damage
  > The student pilot's failure to properly flare.
- [NTSB LAX90FA111](https://openairdocs.org/ntsb/LAX90FA111.md): American AA-1 · Borego Springs, CA · Accident · Serious injuries · Field investigation · Final report · Mar 10, 1990 · N5655L · Destroyed
  > Improper in-flight planning/decision by the pilot, and his failure to maintain sufficient airspeed and altitude, which resulted in a stall/mush into rising mountainous terrain. Factors related to the accident were: the terrain and weather conditions, and…
- [NTSB ATL90FA055](https://openairdocs.org/ntsb/ATL90FA055.md): American AA-1 · Cherokee, AL · Accident · 1 fatal · Field investigation · Final report · Feb 2, 1990 · N5755L · Destroyed
  > Carburetor ice due to the pilot's improper use of carburetor heat, and failure of the pilot to maintain control of the airplane after the engine lost power. The weather (carburetor icing) condition was a related factor.

## 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 year(c."eventDate") = 1990
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0630610'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0630610&year=1990

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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.