# NTSB Incident CEN10IA372
> **EUROCOPTER AS365N3** · 2010-07-04 · Dayton, OH, USA · NONE
## Event
- **NTSB number:** CEN10IA372
- **Event ID:** 20100707X43521
- **Type:** Incident
- **Date:** 2010-07-04
- **Location:** Dayton, OH, USA
- **Coordinates:** 39.682498, -84.242774
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** EUROCOPTER
- **Model:** AS365N3
- **Registration:** N520CF
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** MINR
## Conditions
- **Light:** NITE
- **Weather:** VMC
## Probable cause

The unintentional movement of the jettison handle in-flight due to the pilot’s dropping of a manual that impacted the handle and released the door window, which then impacted the horizontal stabilizer. Contributing to the accident was the jettison handle guard not being installed by maintenance personnel.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN10IA372) · AI Analytics · CC0 1.0*