Viper is an all-metal microlight plane designed for sports, entertainment and recreational flying. With its equipment and excellent flying properties it is ideal for travel, training and glider towing. A roomy, modern-design cabin ensures high comfort and a fantastic outlook. The comfortable control of the aircraft is helped by the latest LCD flight, navigation and communication systems. Viper SD-4 was developed and is made by experienced aviation and mechanical engineering specialists at a company TOMARK s.r.o., based in PreÂšov, Slovakia. The most modern technologies and CAD systems are used in its manufacture. Individual parts are cut by laser or machined on CNC machines for maximum precision.