# NTSB Accident WPR09CA377
> **ROBINSON HELICOPTER R22 BETA** · 2009-07-27 · Troutdale, OR, USA · NONE
## Event
- **NTSB number:** WPR09CA377
- **Event ID:** 20090730X72428
- **Type:** Accident
- **Date:** 2009-07-27
- **Location:** Troutdale, OR, USA
- **Coordinates:** 45.549167, -122.401107
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** ROBINSON HELICOPTER
- **Model:** R22 BETA
- **Registration:** N8340S
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The student pilot's improper use of the collective control and the flight instructor’s delayed reaction to the student pilot’s incorrect control inputs.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR09CA377) · AI Analytics · CC0 1.0*