# NTSB Accident DEN07LA142
> **Bell 206-L4** · 2007-08-22 · Mullinville, KS, USA · SERS
## Event
- **NTSB number:** DEN07LA142
- **Event ID:** 20070824X01235
- **Type:** Accident
- **Date:** 2007-08-22
- **Location:** Mullinville, KS, USA
- **Coordinates:** 37.58889, -99.460556
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 2
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** Bell
- **Model:** 206-L4
- **Registration:** N1813
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain main rotor rpm resulting in an uncontrolled descent, collision with transmission wires, and a hard landing.  A contributing factor was the tranmission wires.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN07LA142) · AI Analytics · CC0 1.0*