# NTSB investigations: Robinson Helicopter R44 II: Airframe/component/system failure/malfunction

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 DEN07FA079](https://openairdocs.org/ntsb/DEN07FA079.md): Robinson R44 II · Ponte Vedra Bch, FL · Accident · 2 fatal · Field investigation · Final report · Mar 27, 2007 · N744SH · Destroyed
  > the mechanic's improper installation of the attachment hardware for the servo to swashplate push-pull tube joint which resulted in a disconnection, subsequent loss of control, and impact with terrain. Contributing factors were the company management's…
- [NTSB ATL06CA073](https://openairdocs.org/ntsb/ATL06CA073.md): Robinson R44 Raven II · Rocky Point, NC · Accident · No injuries · Data collection · Final report · May 3, 2006 · N288RH · Substantial damage
  > The pilot's inadequate visual lookout during a precautionary landing which resulted in an in-flight collision with a transmission wire.
- [NTSB LAX03LA123](https://openairdocs.org/ntsb/LAX03LA123.md): Robinson R-44 II · Willcox, AZ · Accident · No injuries · Limited investigation · Final report · Apr 2, 2003 · N233TR · Substantial damage
  > The failure of the alternator belt which resulted in the failure of the main drive belt.

## 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 ('7640122', '7640123')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7640122&occurrence=130

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