# NTSB Accident DEN03LA041
> **Aerospatiale AS-350BII** · 2003-02-07 · Vernal, UT, USA · SERS
## Event
- **NTSB number:** DEN03LA041
- **Event ID:** 20030214X00222
- **Type:** Accident
- **Date:** 2003-02-07
- **Location:** Vernal, UT, USA
- **Coordinates:** 39.767776, -109.558891
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 2
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Aerospatiale
- **Model:** AS-350BII
- **Registration:** CFLHA
- **FAR Part:** 133
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's inadequate planning resulting in his inattentiveness of the attached longline.  Contributing factors were the entanglement of the longline in the tail rotor, failure of the tail rotor drive shaft, and subsequent inability of the pilot to control the aircraft.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN03LA041) · AI Analytics · CC0 1.0*