The exterior and interior of an Embraer Praetor 600.Pete Syme/Business InsiderThe Embraer Praetor 600 is a $21 million super-midsize business jet.Embraer calls it the most technogically advanced jet in its class.See inside the $21 million aircraft that's fully fly-by-wire and has touchscreen cabin controls.Brazilian firm Embraer is the third-biggest manufacturer of civil aircraft behind Airbus and Boeing.It found its start focusing on military aircraft, before expanding into regional airliners and business jets.This array of divisions and their history paved the way for technological developments which have made its business jets some of the most popular.In May, Business Insider toured an Embraer Praetor 600 at an aviation conference in Switzerland.