# NTSB Accident ERA11CA180
> **ROBINSON HELICOPTER COMPANY R44 II** · 2011-03-05 · Weston, FL, USA · SERS
## Event
- **NTSB number:** ERA11CA180
- **Event ID:** 20110306X81934
- **Type:** Accident
- **Date:** 2011-03-05
- **Location:** Weston, FL, USA
- **Coordinates:** 26.262222, -80.547225
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** ROBINSON HELICOPTER COMPANY
- **Model:** R44 II
- **Registration:** N4168W
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAWN
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain adequate altitude and physical alertness which resulted in an in-flight collision with the water. Contributing to the accident was the pilot's fatigue.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA11CA180) · AI Analytics · CC0 1.0*