NTech Limited was founded in December 1992 and is an Auckland based aviation service company operating in New Zealand and the Asia-Pacific region providing professional design and certification services to the aeronautical industry. NTech Limited operates under Design Organisation Certificate Number DO 39160 issued under the authority of the Director of Civil Aviation and in compliance with the requirements of the Civil Aviation Authority of New Zealand Rule Part 146.NTech Limited has a broad knowledge of certification requirements. Our Class A design delegate and senior engineers have extensive experience in aircraft modifications, repairs and STC certification. With our productive relationship with the CAA we can advise customers on the best way forward through all stages of the design, installation and certification of their projects.Our engineers have extensive experience in project management, aircraft type design certification, airframe repairs, airframe fatigue and damage tolerance analysis, cabin interiors, composite structures, aircraft and rotorcraft performance, computational fluid dynamics, 2D and 3D modelling, avionics and electrical installations and major modification approvals.