# NTSB investigations: Robinson Helicopter R22 MARINER, OR

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 WPR10CA478](https://openairdocs.org/ntsb/WPR10CA478.md): Robinson R22 · Portland, OR · Accident · No injuries · Data collection · Final report · Sep 30, 2010 · N856HA · Substantial damage
  > The student pilot's decision to hover-taxi behind a jet, resulting in the helicopter encountering jet wash and rolling over.
- [NTSB SEA04CA122](https://openairdocs.org/ntsb/SEA04CA122.md): Robinson R22 Mariner · Hillsboro, OR · Accident · Minor injuries · Data collection · Final report · Jul 5, 2004 · N856HA · Substantial damage
  > The pilot's failure to maintain aircraft control resulting in an uncontrolled descent and subsequent roll over. Low altitude flight and the pilot's encounter with settling with power were contributing factors.
- [NTSB SEA02FA085](https://openairdocs.org/ntsb/SEA02FA085.md): Robinson R-22 Mariner · Merlin, OR · Accident · 2 fatal · Field investigation · Final report · May 23, 2002 · N2322Y · Substantial damage
  > Clearance from a cable running perpendicular to a river was not maintained during low level cruise flight. A cable was a factor.
- [NTSB SEA99LA005](https://openairdocs.org/ntsb/SEA99LA005.md): Robinson R-22 · Scappoose, OR · Accident · No injuries · Limited investigation · Final report · Oct 22, 1998 · N474BC · Substantial damage
  > Aircraft control was not maintained. Inadequate remedial action is a factor.
- [NTSB SEA94LA171](https://openairdocs.org/ntsb/SEA94LA171.md): Robinson R-22M · Portland, OR · Accident · No injuries · Limited investigation · Final report · Jul 7, 1994 · N42WC · Substantial damage
  > Tail rotor gearbox failure due to inadequate assembly and inspection procedures by the manufacturer.

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

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

---
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.