# NTSB investigations: Robinson Helicopter R22 BETA, WY

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 WPR13CA067](https://openairdocs.org/ntsb/WPR13CA067.md): Robinson Helicopter R22 Beta · Rawlins, WY · Accident · Minor injuries · Data collection · Final report · Dec 11, 2012 · N4073Q · Substantial damage
  > The pilot's failure to maintain main rotor rpm during takeoff, which resulted in a hard landing and subsequent rollover.
- [NTSB WPR11CA467](https://openairdocs.org/ntsb/WPR11CA467.md): Robinson R22 Beta · Douglas, WY · Accident · No injuries · Data collection · Final report · Sep 24, 2011 · N3070S · Substantial damage
  > The pilot's failure to maintain yaw control of the helicopter while hover taxiing in gusty wind conditions.
- [NTSB DEN01LA067](https://openairdocs.org/ntsb/DEN01LA067.md): Robinson R22 Beta · Buffalo, WY · Accident · No injuries · Limited investigation · Final report · Mar 11, 2001 · N144MB · Substantial damage
  > failure of the rotor drive system clutch assembly which rendered the aircraft uncontrollable.
- [NTSB SEA93LA107](https://openairdocs.org/ntsb/SEA93LA107.md): Robinson R-22B · Cody, WY · Accident · No injuries · Limited investigation · Final report · May 13, 1993 · N14NH · Substantial damage
  > The failure of the pilot to maintain directional control while hovering. Factors relating to the accident were the improper decision by the pilot, improper touchdown point selection, high density altitude, and wind gusts.

## 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" = 'WY' 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 ('7640110', '7640103'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7640110&state=WY

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