# NTSB Accident WPR11CA146
> **HILLER UH-12E** · 2011-02-26 · Colusa, CA, USA · NONE
## Event
- **NTSB number:** WPR11CA146
- **Event ID:** 20110226X82559
- **Type:** Accident
- **Date:** 2011-02-26
- **Location:** Colusa, CA, USA
- **Coordinates:** 39.269443, -122.068885
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** HILLER
- **Model:** UH-12E
- **Registration:** N236HA
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain an adequate airspeed and an inadvertent encounter with settling with power while flying downwind.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR11CA146) · AI Analytics · CC0 1.0*