# NTSB investigations: Grumman G-21A, WA

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 SEA94LA192](https://openairdocs.org/ntsb/SEA94LA192.md): Grumman G-21A · Bremerton, WA · Accident · No injuries · Limited investigation · Final report · Jul 22, 1994 · N327 · Substantial damage
  > The pilot-in-command's failure to maintain directional control during landing.
- [NTSB SEA91LA086](https://openairdocs.org/ntsb/SEA91LA086.md): Grumman G-21A · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Apr 17, 1991 · N9750Z · Substantial damage
  > The pilot-in-command did not maintain directional control of the airplane. Factors were: the pic's inadequate compensate for the wind, his limited flight expereince in this type of airplane, and the check airman's poor supervision.

## 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" = 'WA' 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 ('3951204'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3951204&state=WA

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