# NTSB Accident CEN09CA470
> **RAYTHEON AIRCRAFT COMPANY C90A** · 2009-07-23 · Bismarck, ND, USA · NONE
## Event
- **NTSB number:** CEN09CA470
- **Event ID:** 20090728X63439
- **Type:** Accident
- **Date:** 2009-07-23
- **Location:** Bismarck, ND, USA
- **Coordinates:** 46.772777, -100.745834
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** RAYTHEON AIRCRAFT COMPANY
- **Model:** C90A
- **Registration:** N405DD
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The cabin entry door inadvertently opening during initial climb.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN09CA470) · MORVS · CC0 1.0*