# NTSB Accident CEN20LA273
> **Aerospatiale AS355** · 2020-07-11 · Rifle, CO, USA · SERS
## Event
- **NTSB number:** CEN20LA273
- **Event ID:** 20200711X95026
- **Type:** Accident
- **Date:** 2020-07-11
- **Location:** Rifle, CO, USA
- **Coordinates:** 39.524166, -107.72721
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 2
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Aerospatiale
- **Model:** AS355
- **Registration:** N708AC
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A loss of tail rotor effectiveness, the pilot’s subsequent loss of helicopter control, and collision with terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN20LA273) · AI Analytics · CC0 1.0*