# NTSB Accident CHI00FA006
> **Dassault DA-900B** · 1999-10-09 · HOLLAND, MI, USA · SERS
## Event
- **NTSB number:** CHI00FA006
- **Event ID:** 20001212X19912
- **Type:** Accident
- **Date:** 1999-10-09
- **Location:** HOLLAND, MI, USA
- **Coordinates:** 42.770278, -86.100151
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 4
- **Total aboard:** 5
## Aircraft
- **Make:** Dassault
- **Model:** DA-900B
- **Registration:** N523AC
- **FAR Part:** 091
- **Engines:** 3
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The copilot's improper use of the autopilot system while leveling the flight from descent, resulting in an inadvertent pilot-induced pitch oscillation of the airplane. A factor was the flight attendant not wearing a seat belt at the time of the occurrence.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI00FA006) · AI Analytics · CC0 1.0*