# NTSB Accident MIA07LA131
> **MBB BK-117 A-4** · 2007-08-09 · Ridgeville, SC, USA · NONE
## Event
- **NTSB number:** MIA07LA131
- **Event ID:** 20070827X01242
- **Type:** Accident
- **Date:** 2007-08-09
- **Location:** Ridgeville, SC, USA
- **Coordinates:** 33.166667, -80.349998
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 5
- **Total aboard:** 5
## Aircraft
- **Make:** MBB
- **Model:** BK-117 A-4
- **Registration:** N171MU
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The EMS helicopter pilot's failure to ensure adequate obstacle clearance which resulted in the tail rotor impacting a tree during the takeoff.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA07LA131) · AI Analytics · CC0 1.0*