# Fatal NTSB investigations: Robinson Helicopter R22 ALPHA

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 CHI04FA197](https://openairdocs.org/ntsb/CHI04FA197.md): Robinson R22 Alpha · Mount Clemens, MI · Accident · 1 fatal · Field investigation · Final report · Jul 28, 2004 · N103MH · Destroyed
  > A loss of control in flight for undetermined reasons.
- [NTSB LAX98FA098](https://openairdocs.org/ntsb/LAX98FA098.md): Robinson R22 · Littlerock, CA · Accident · 1 fatal · Field investigation · Final report · Feb 26, 1998 · N8457J · Destroyed
  > The pilot's improper use of the rotorcraft cyclic control in response to encountering terrain induced turbulence. A factor in the accident was the pilot's failure to obtain a preflight weather briefing which contained precautionary notices for turbulence.
- [NTSB NYC94FA078](https://openairdocs.org/ntsb/NYC94FA078.md): Robinson R22A · North Bergen, NJ · Accident · 2 fatal · Field investigation · Final report · May 5, 1994 · N503TH · Destroyed
  > The pilot's failure to maintain adequate visual lookout and adequate obstacle clearance, which resulted in an inflight collision with a static wire.
- [NTSB LAX89FA092](https://openairdocs.org/ntsb/LAX89FA092.md): Robinson R22A · Santa Barbara, CA · Accident · 2 fatal · Field investigation · Final report · Jan 22, 1989 · N8529C · Destroyed
  > Failure of the pilot to maintain adequate altitude, proper airspeed for the reduced visibility, and an adequate visual outlook to avoid a collision with power transmission cable. Contributing to the accident was reduced visibility due to fog.
- [NTSB LAX88FA032](https://openairdocs.org/ntsb/LAX88FA032.md): Robinson R22A · Moraga, CA · Accident · 2 fatal · Field investigation · Final report · Nov 3, 1987 · N8475A · Destroyed
  > A divergence of the main rotor from its normal plane of rotation for an undetermined reason, which resulted in rotor contact with the cockpit area.
- [NTSB LAX87FA147](https://openairdocs.org/ntsb/LAX87FA147.md): Robinson R-22-A · Scottsdale, AZ · Accident · 2 fatal · Field investigation · Final report · Mar 16, 1987 · N2256M · Destroyed
  > A loss of control in flight for undetermined reasons.
- [NTSB ATL85FA067](https://openairdocs.org/ntsb/ATL85FA067.md): Robinson R-22 Alpha · Huntsville, AL · Accident · 2 fatal · Field investigation · Final report · Dec 25, 1984 · N8475K · Destroyed
  > A popping sound then a loud noise and a puff of smoke preceded the helicopter's fall to the ground, stated a 12 year old boy who said he saw the accident. Examination of the helicopter failed to disclose any trace of fire. However one main rotor blade…
- [NTSB NYC85FA048](https://openairdocs.org/ntsb/NYC85FA048.md): Robinson R-22-A · Ellington, CT · Accident · 2 fatal · Field investigation · Final report · Dec 22, 1984 · N84958 · Destroyed
  > The non-inst rated plt continued flt into IMC conditions in a helicopter which was not equipped for flt on instruments. There is no record or witnesses of the plt having received a formal wx briefing but it is reported that the plt was informed of fog moving…

## 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."highestInjuryLevel" = 'Fatal'
  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?fatal=1&model=7640104

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.