Engineering Office Lippold supports Part-21 Design Organisations (e.g. Business Jet Completion and Modification Centres), airframer and aircraft parts manufacturer in terms of Business Jet Interior Configurations, furniture design and installation, weight saving studies and structural analysis and optimization. This is done by evaluating customized Cabin Configuration Guides, Floorplans, chosen standard parts, customized parts, materials, suppliers and corresponding design and mechanical drawings. Assessment is performed in accordance with the applicable Aviation Regulations (e.g. EASA CS-25) as well as aircraft manufacturer specifications and guidelines.