# NTSB Accident CEN12LA650
> **HILLER UH-12B** · 2012-09-19 · Rio Vista, TX, USA · NONE
## Event
- **NTSB number:** CEN12LA650
- **Event ID:** 20120921X42527
- **Type:** Accident
- **Date:** 2012-09-19
- **Location:** Rio Vista, TX, USA
- **Coordinates:** 32.230785, -97.370635
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** HILLER
- **Model:** UH-12B
- **Registration:** N94735
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The catastrophic failure and disintegration of the No. 6 engine piston, which resulted in a total loss of engine power.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN12LA650) · AI Analytics · CC0 1.0*