# NTSB investigations: Robinson Helicopter R22 MARINER, 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 CEN09LA201](https://openairdocs.org/ntsb/CEN09LA201.md): Robinson R22 · Midland, TX · Accident · No injuries · Limited investigation · Final report · Mar 10, 2009 · N456PH · Destroyed
  > The pilot's failure to maintain adequate clearance from a pole.
- [NTSB DFW08LA140](https://openairdocs.org/ntsb/DFW08LA140.md): Robinson Helicopter R22 Marine · Austin, TX · Accident · No injuries · Limited investigation · Final report · May 10, 2008 · N8316D · Substantial damage
  > The pilot's failure to maintain rotor RPM while maneuvering at a low altitude, which resulted in a loss of control.
- [NTSB FTW01LA039](https://openairdocs.org/ntsb/FTW01LA039.md): Robinson R22 · Sunnyvale, TX · Accident · No injuries · Limited investigation · Final report · Dec 17, 2000 · N7187W · Substantial damage
  > The flight instructor's inadequate supervision of his student and his failure to maintain control of the helicopter. Factors were the student pilot allowing the airspeed and main rotor RPM to get too low during the simulated emergency.
- [NTSB FTW91LA162](https://openairdocs.org/ntsb/FTW91LA162.md): Robinson R22 · Lewisville, TX · Accident · Minor injuries · Limited investigation · Final report · Sep 17, 1991 · N2306C · Destroyed
  > Loss of control due to foreign object damage induced binding flight controls. A factor was improper maintenance.

## 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 ('7640115'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7640115&state=TX

---
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.