KNSI Aviation Engineering, with our Part 21.J approval from both EASA and UK CAA, is fully equipped to support customer modification and repair requirements. With a young, energetic team of design engineers ready to evaluate and offer the best possible design solutions, customers are assured of quality, safety, and clarity in our work.

Be it a simple equipment installation, an avionics installation, an EEL change, a livery modification, or a complete cabin reconfiguration, our technical sales, structures, and avionics teams will work together to support customers with Part 21.j modification approvals, from initial evaluation to project delivery.

For general repairs and AOG repair requirements, our technical sales and dedicated structural repair team will be available to the customers 24/7 to evaluate the damages and offer practical repair solutions.

With clear instructions for accomplishments, required manual supplement development, and detailed and clear drawing preparation, KNSI provides EASA or UK CAA Part 21.J approvals with high quality and to standard.