Dassault Cergy Facility Boosts French Aerospace

Dassault Aviation has started production at its new Cergy facility, modernizing its French manufacturing footprint.

Dassault’s new Cergy facility replaces an older site and is designed to improve production efficiency for the company’s business jets and military aircraft. The move underlines Dassault Aviation’s strategy to modernize assembly lines and secure France’s role in aerospace manufacturing.

Located in Cergy, just northwest of Paris, the plant will support final assembly and systems integration for advanced business jets and selected military programmes. While Dassault hasn’t released full production numbers, the company says the facility will streamline workflows and reduce lead times compared with the previous site.

Why the Dassault Cergy facility matters

For industry watchers, the Dassault Cergy facility signals a continued investment in sovereign aerospace capability. Centralizing production into a modern plant helps Dassault maintain quality control, adopt digital tooling and prepare for next-generation aircraft programmes. It also supports local supply chains and jobs in the Île-de-France region.

The Dassault Cergy facility aims to boost efficiency, support business-jet assembly and strengthen France’s aerospace base.

Operational updates suggest the plant will host teams focused on composite assembly, avionics integration and final checks before aircraft delivery. The reconfigured production footprint is expected to make it easier to introduce production-rate changes and incorporate manufacturing innovations such as digital twins and lean assembly techniques.

Beyond factory floors, the Cergy site forms part of a broader industrial strategy: keeping high-value design and assembly work in France while aligning capacity with future market demand for business aviation and defence programmes. For customers and suppliers, a modern facility can mean faster delivery times and improved post-build support.