# NTSB investigations: Robinson Helicopter R22 BETA, MN

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 CEN13LA115](https://openairdocs.org/ntsb/CEN13LA115.md): Robinson Helicopter R22 Beta · Corcoran, MN · Accident · Minor injuries · Limited investigation · Final report · Dec 23, 2012 · N27AT · Substantial damage
  > The pilot’s improper decision to land the helicopter in a position that placed the tail rotor near tarps, which resulted in the tarps being lifted into the tail rotor, subsequent tail rotor damage, a loss of tail rotor authority, and an uncommanded tail rotor…
- [NTSB CEN12CA009](https://openairdocs.org/ntsb/CEN12CA009.md): Robinson Helicopter R22 Beta · Hibbing, MN · Accident · No injuries · Data collection · Final report · Oct 4, 2011 · N4170M · Substantial damage
  > The private pilot's failure to maintain control of the helicopter during the landing flare.
- [NTSB CEN11CA167](https://openairdocs.org/ntsb/CEN11CA167.md): Robinson Helicopter R22 Beta · Anoka, MN · Accident · Serious injuries · Data collection · Final report · Jan 29, 2011 · N7195B · Substantial damage
  > The student pilot's control inputs that resulted in an inadvertent dynamic rollover and the CFI's inadequate supervision of the flight.
- [NTSB CHI04FA177](https://openairdocs.org/ntsb/CHI04FA177.md): Robinson R-22 Beta · Rochester, MN · Accident · 1 fatal · Field investigation · Final report · Jul 8, 2004 · N8118L · Destroyed
  > The loss of control due to the student pilot's failure to maintain rotor RPM and the flight instructor's inadequate supervision.
- [NTSB CHI04LA119](https://openairdocs.org/ntsb/CHI04LA119.md): Robinson R22 Beta · Winsted, MN · Accident · Minor injuries · Limited investigation · Final report · May 12, 2004 · N2301F · Substantial damage
  > The failure of the main rotor drive belts for an undetermined reason, and the pilot's misjudged flare during the autorotation.
- [NTSB CHI04CA111](https://openairdocs.org/ntsb/CHI04CA111.md): Robinson R22 Beta · Rochester, MN · Accident · No injuries · Data collection · Final report · Apr 27, 2004 · N40725 · Substantial damage
  > The pilot's failure to maintain control of the helicopter during landing. Contributing factors were the aircraft's low altitude and the pilot's limited flight experience.
- [NTSB CHI04CA110](https://openairdocs.org/ntsb/CHI04CA110.md): Robinson R22 Beta · Shakopee, MN · Accident · Minor injuries · Data collection · Final report · Apr 24, 2004 · N819TT · Substantial damage
  > The dual student's failure to maintain control of the helicopter during hovering flight and the flight instructor's delayed remedial action in order to prevent a loss of control. Contributing factors were the flight instructor's lack of dual instruction…
- [NTSB CHI00LA134](https://openairdocs.org/ntsb/CHI00LA134.md): Robinson R22 Beta · Ham Lake, MN · Accident · No injuries · Limited investigation · Final report · May 11, 2000 · N8321K · Destroyed
  > carburetor ice. Factors relating to this accident were the icing conditions, the pilot's attempted emergency landing and the low altitude.
- [NTSB CHI92LA081](https://openairdocs.org/ntsb/CHI92LA081.md): Robinson R-22B · Minneapolis, MN · Accident · No injuries · Limited investigation · Final report · Jan 25, 1992 · N4046H · Substantial damage
  > A misjudged autorotation.
- [NTSB CHI91LA199](https://openairdocs.org/ntsb/CHI91LA199.md): Robinson R-22 · Faribault, MN · Accident · No injuries · Limited investigation · Final report · Jun 21, 1991 · N8024W · Substantial damage
  > Compensation for wind conditions was not attained by the pilot resulting in loss of directional control. A factor related to the accident was a gusty crosswind landing environment.

## 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" = 'MN' 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=MN

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