# NTSB Accident CEN09LA388
> **Beech B100** · 2009-06-15 · Rapid City, SD, USA · SERS
## Event
- **NTSB number:** CEN09LA388
- **Event ID:** 20090625X71751
- **Type:** Accident
- **Date:** 2009-06-15
- **Location:** Rapid City, SD, USA
- **Coordinates:** 44.045276, -103.057502
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 4
- **Uninjured:** 0
- **Total aboard:** 5
## Aircraft
- **Make:** Beech
- **Model:** B100
- **Registration:** N4490M
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The flight crewmembers’ failure to secure the patient using the available over-the-shoulder restraints and the encounter with clear-air turbulence during cruise descent.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN09LA388) · AI Analytics · CC0 1.0*