# NTSB investigations: Robinson Helicopter R22 ALPHA, 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 SEA87LA175](https://openairdocs.org/ntsb/SEA87LA175.md): Robinson R-22 · Tukwila, WA · Accident · No injuries · Limited investigation · Final report · Aug 23, 1987 · N8379Z · Substantial damage
  > While attempting to land in a field and at about 3 feet AGL, the pilot attempted to secure the right cabin door. Due to the distraction the pilot allowed the rear skids to contact the ground and a hard landing resulted.
- [NTSB SEA85LA129](https://openairdocs.org/ntsb/SEA85LA129.md): Robinson R22 · Port Orchard, WA · Accident · No injuries · Limited investigation · Final report · Jun 9, 1985 · N8490D · Substantial damage
  > The instructor plt (CFI) with only 358 hrs total flt time was demonstrating an autorotation with a power recovery. During the recovery, the CFI failed to fully regain RPM & the helicopter settled to the surface. With a low rotor RPM, there was a loss of tail…

## 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 ('7640104'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7640104&state=WA

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