# NTSB Accident DEN99LA002
> **Bell 206B** · 1998-10-03 · VERNAL, UT, USA · NONE
## Event
- **NTSB number:** DEN99LA002
- **Event ID:** 20001211X11236
- **Type:** Accident
- **Date:** 1998-10-03
- **Location:** VERNAL, UT, USA
- **Coordinates:** 40.550643, -109.569869
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Bell
- **Model:** 206B
- **Registration:** N992SM
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Loss of tail rotor effectiveness.  A factor was the quartering tailwind.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN99LA002) · AI Analytics · CC0 1.0*