# NTSB Accident GAA17CA151
> **ROBINSON HELICOPTER R44** · 2017-02-14 · Holtville, CA, USA · NONE
## Event
- **NTSB number:** GAA17CA151
- **Event ID:** 20170222X62849
- **Type:** Accident
- **Date:** 2017-02-14
- **Location:** Holtville, CA, USA
- **Coordinates:** 32.811111, -115.380279
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** ROBINSON HELICOPTER
- **Model:** R44
- **Registration:** N4534G
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

The pilot’s initiation of a left turn at a low altitude with low airspeed and a tailwind while operating near maximum gross weight, which resulted in the helicopter losing altitude, touching down on a dirt surface, and a subsequent dynamic rollover.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=GAA17CA151) · AI Analytics · CC0 1.0*