# NTSB Accident WPR24LA299
> **WILLIAMS HELICOPTER CORP UH-1H** · 2024-08-30 · Colusa, CA, USA · SERS
## Event
- **NTSB number:** WPR24LA299
- **Event ID:** 20240909195085
- **Type:** Accident
- **Date:** 2024-08-30
- **Location:** Colusa, CA, USA
- **Coordinates:** 39.247946, -121.99082
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** WILLIAMS HELICOPTER CORP
- **Model:** UH-1H
- **Registration:** N710WD
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s failure to set collective friction which resulted in collective bounce and subsequent loss of control.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR24LA299) · AI Analytics · CC0 1.0*