# NTSB investigations: Robinson Helicopter R22 BETA, OK

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 CEN19LA106](https://openairdocs.org/ntsb/CEN19LA106.md): Robinson R22 · Madill, OK · Accident · No injuries · Class 3 · Limited · Final report · Mar 20, 2019 · N7782H · Substantial damage
  > The failure of the V-belts due to improper maintenance, which resulted in the loss of power to the helicopter's rotor system and subsequent forced landing on rough terrain.
- [NTSB CEN10FA019](https://openairdocs.org/ntsb/CEN10FA019.md): Robinson Helicopter R22 Beta · Tahlequah, OK · Accident · 2 fatal · Field investigation · Final report · Oct 14, 2009 · N3234G · Destroyed
  > The pilot's impairment due to recent heavy use of methamphetamine, recent use of a narcotic pain reliever, and fatigue. Contributing to the accident was the pilot's lack of instrument experience and training.
- [NTSB DFW05CA070](https://openairdocs.org/ntsb/DFW05CA070.md): Robinson R22 · Owasso, OK · Accident · Minor injuries · Data collection · Final report · Feb 16, 2005 · N322DA · Substantial damage
  > The flight instructor's failure to verify that the student had the flight controls and his delayed remedial action.
- [NTSB FTW03LA140](https://openairdocs.org/ntsb/FTW03LA140.md): Robinson R-22 Beta · Ardmore, OK · Accident · No injuries · Limited investigation · Final report · Apr 20, 2003 · N2341Z · Substantial damage
  > The pilot's failure to maintain directional control during liftoff. A contributing factor was the inadvertent encounter of propeller blast from the other airplane starting at the time of takeoff.
- [NTSB FTW90GA146](https://openairdocs.org/ntsb/FTW90GA146.md): Robinson R22B · Tahlequah, OK · Accident · 1 fatal · Final report · Jul 26, 1990 · N20K · Destroyed
  > The pilot's failure to maintain adequate altitude.

## 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" = 'OK' 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=OK

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