# NTSB Accident SEA04CA122
> **Robinson R22 Mariner** · 2004-07-05 · Hillsboro, OR, USA · MINR
## Event
- **NTSB number:** SEA04CA122
- **Event ID:** 20040803X01137
- **Type:** Accident
- **Date:** 2004-07-05
- **Location:** Hillsboro, OR, USA
- **Coordinates:** 45.595001, -122.933334
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 1
- **Total aboard:** 2
## Aircraft
- **Make:** Robinson
- **Model:** R22 Mariner
- **Registration:** N856HA
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

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.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA04CA122) · AI Analytics · CC0 1.0*