# NTSB investigations: Robinson Helicopter R22 ALPHA, TX

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 FTW02LA080](https://openairdocs.org/ntsb/FTW02LA080.md): Robinson R-22A · Encino, TX · Accident · No injuries · Limited investigation · Final report · Feb 11, 2002 · N8557Z · Substantial damage
  > The pilot's failure to maintain aircraft control during lift off from a transport trailer resulting in dynamic rollover of the helicopter.
- [NTSB FTW84LA308](https://openairdocs.org/ntsb/FTW84LA308.md): Robinson R-22A · Henderson, TX · Accident · No injuries · Limited investigation · Final report · Jul 11, 1984 · N8518W · Substantial damage
  > The instructor plt stated that the student plt landed the helicopter. As the helicopter touched down and was still light on its skids the student applied left cyclic control and the helicopter started to roll towards the left. The student plt froze on the…

## 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" = 'TX' 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 ('7640104'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7640104&state=TX

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