# NTSB Accident GAA17CA509
> **ROBINSON HELICOPTER R22** · 2017-08-24 · Bremerton, WA, USA · NONE
## Event
- **NTSB number:** GAA17CA509
- **Event ID:** 20170824X80906
- **Type:** Accident
- **Date:** 2017-08-24
- **Location:** Bremerton, WA, USA
- **Coordinates:** 47.490833, -122.764167
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** ROBINSON HELICOPTER
- **Model:** R22
- **Registration:** N7198J
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The student pilot’s improper bank control during takeoff, which resulted in a dynamic rollover.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=GAA17CA509) · AI Analytics · CC0 1.0*