# NTSB Accident WPR17LA167
> **ROBINSON HELICOPTER COMPANY R44 II** · 2017-07-27 · Santa Ana, CA, USA · NONE
## Event
- **NTSB number:** WPR17LA167
- **Event ID:** 20170726X33801
- **Type:** Accident
- **Date:** 2017-07-27
- **Location:** Santa Ana, CA, USA
- **Coordinates:** 33.675556, -117.868331
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** ROBINSON HELICOPTER COMPANY
- **Model:** R44 II
- **Registration:** N7535G
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DUSK
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain helicopter control while maneuvering during takeoff.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR17LA167) · AI Analytics · CC0 1.0*