# NTSB Accident CEN21LA021
> **Robinson Helicopter Company R44 II** · 2020-10-18 · Washington, WI, USA · NONE
## Event
- **NTSB number:** CEN21LA021
- **Event ID:** 20201019102165
- **Type:** Accident
- **Date:** 2020-10-18
- **Location:** Washington, WI, USA
- **Coordinates:** 45.389097, -86.924557
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Robinson Helicopter Company
- **Model:** R44 II
- **Registration:** N31136
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s failure to maintain lateral control during a hover and improper recovery action after the helicopter contacted the ground, which resulted in a dynamic rollover sequence and an impact with terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN21LA021) · AI Analytics · CC0 1.0*