# NTSB investigations: Gulfstream American AA-5B, 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 DEN91LA021](https://openairdocs.org/ntsb/DEN91LA021.md): Gulfstream AA-5B · Erie, CO · Accident · No injuries · Limited investigation · Final report · Nov 25, 1990 · N4557E · Substantial damage
  > Improper flare by the pilot, which resulted in a hard landing. A realted factor was: low light condition at dusk.
- [NTSB LAX90LA140](https://openairdocs.org/ntsb/LAX90LA140.md): Gulfstream American AA-5B · Auburn, CA · Accident · No injuries · Limited investigation · Final report · Apr 10, 1990 · N28277 · Substantial damage
  > Pilot failed to attain the proper touch down point and the remedial action was improper. Contributing to this accident was that the pilot allowed the aircraft to porpoise during the landing rollout.

## 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 ('3970106'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3970106&year=1990

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