Aufwind Gmbh

Aviation engineering and consulting for seaplanes, sustainable propulsion, and regulatory compliance. AUFWIND provides independent engineering expertise at the intersection of aircraft design support, continuing airworthiness, and emerging aviation technologies. Based in Flensburg, Germany, we serve clients across Europe—from electric seaplane startups to established MROs and aircraft operators. CORE SERVICES → Seaplanes & Amphibious Aviation Hydrodynamic analysis using Wagner impact theory and NACA methods. Hull design review, stability assessment, water loads calculation. Flight test engineering and certification support for CS-23/CS-25 water operations. → Sustainable Aviation Aircraft integration engineering for hydrogen and electric propulsion systems. Certification pathway analysis, technical due diligence, and regulatory strategy. → Aviation Organisations Approval applications and compliance support for Part-145 AMO, Part-CAMO, Part-CAO, and training organisations. Exposition development, procedures documentation, and authority coordination. SELECTED PROJECTS - AdHyBau-2: Aircraft integration engineering for hydrogen-electric propulsion consortium (Siemens, MT Aerospace, Fraunhofer)- ESA AIR-SOS: Seaplane flight operations for Sentinel-2 satellite validation - Stemme S12: Propeller ground testing and certification support - Electric seaplane startups: Hull design review and certification strategy We operate a Lake LA-4-200 Buccaneer for seaplane research, demonstration, and flight test support. Newsletter "Engineering Airworthiness" on Substack. Aufwind sees itself as Partner of aircraft operators and will be able to help out with its experience in aircraft operations and owner-controlled maintenance. Aufwind operates and maintains aircraft for special missions and will partake in the development of further applications of general aviation for environmental protection.