# NTSB investigations: Robinson Helicopter R22: Simulated/training event

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 WPR23LA043](https://openairdocs.org/ntsb/WPR23LA043.md): Robinson Helicopter R22 · Kapolei, HI · Accident · No injuries · Class 4 · Limited · Final report · Nov 11, 2022 · N948WB · Substantial damage
  > The pilot receiving instruction’s rapid reduction in throttle during hover autorotation training which resulted in a loss of control and collision with the ground.
- [NTSB GAA20CA060](https://openairdocs.org/ntsb/GAA20CA060.md): Robinson R22 · Smoketown, PA · Accident · No injuries · Data collection · Final report · Nov 4, 2019 · N8560A · Substantial damage
  > The student pilot's improper cyclic input while hovering and the flight instructor's delayed remedial action, which resulted in a dynamic rollover.
- [NTSB WPR09CA448](https://openairdocs.org/ntsb/WPR09CA448.md): Robinson Helicopter R22 · Irvine, CA · Accident · No injuries · Data collection · Final report · Sep 15, 2009 · N796SH · Substantial damage
  > The flight instructor's failure to maintain an adequate airspeed and his delayed recovery action during the practice autorotation, which resulted in a hard landing.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640102')
    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" = '600' 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/600/sequence?model=7640102

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