# NTSB Accident CEN18CA294
> **Robinson R22** · 2018-06-17 · Sterling City, TX, USA · NONE
## Event
- **NTSB number:** CEN18CA294
- **Event ID:** 20180725X25209
- **Type:** Accident
- **Date:** 2018-06-17
- **Location:** Sterling City, TX, USA
- **Coordinates:** 31.833055, -100.980834
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Robinson
- **Model:** R22
- **Registration:** N410MM
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s improper decision to exit the helicopter without shutting down the engine, which allowed the collective/throttle to increase and resulted in a loss of control of the unattended helicopter.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN18CA294) · AI Analytics · CC0 1.0*