# NTSB Accident WPR21FA300
> **ROBINSON HELICOPTER CO R66** · 2021-08-01 · Colusa, CA, USA · FATL
## Event
- **NTSB number:** WPR21FA300
- **Event ID:** 20210801103602
- **Type:** Accident
- **Date:** 2021-08-01
- **Location:** Colusa, CA, USA
- **Coordinates:** 39.296803, -122.03939
## Injuries
- **Highest injury:** FATL
- **Fatal:** 4
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 4
## Aircraft
- **Make:** ROBINSON HELICOPTER CO
- **Model:** R66
- **Registration:** N7000J
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s abrupt flight control input that led to mast bumping and a subsequent in-flight breakup.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR21FA300) · AI Analytics · CC0 1.0*