# NTSB investigations: Robinson Helicopter R22 BETA, OR: Hard landing

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 GAA18CA508](https://openairdocs.org/ntsb/GAA18CA508.md): Robinson R22 · Corvallis, OR · Accident · Minor injuries · Data collection · Final report · Aug 24, 2018 · N4085T · Substantial damage
  > The student helicopter pilot’s inadequate torque pedal application during practice approaches with a tailwind, which resulted in a loss of yaw control and a subsequent hard landing.
- [NTSB WPR11LA003](https://openairdocs.org/ntsb/WPR11LA003.md): Robinson R22 · Scappoose, OR · Accident · No injuries · Limited investigation · Final report · Oct 8, 2010 · N2356T · Substantial damage
  > The student pilot’s failure to maintain helicopter control during the landing flare and his subsequent interference with the flight instructor's control inputs. Contributing to the accident was the flight instructor’s inadequate supervision.
- [NTSB WPR09CA375](https://openairdocs.org/ntsb/WPR09CA375.md): Robinson Helicopter R22 Beta · Troutdale, OR · Accident · Minor injuries · Data collection · Final report · Jul 29, 2009 · N7176W · Substantial damage
  > The flight instructor's failure to maintain adequate main rotor RPM.
- [NTSB WPR09CA377](https://openairdocs.org/ntsb/WPR09CA377.md): Robinson Helicopter R22 Beta · Troutdale, OR · Accident · No injuries · Data collection · Final report · Jul 27, 2009 · N8340S · Substantial damage
  > The student pilot's improper use of the collective control and the flight instructor’s delayed reaction to the student pilot’s incorrect control inputs.

## 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" = 'OR' 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')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '092' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/092/sequence?model=7640110&state=OR

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