A versatile and easy-to-use aviation flight computer. * May be used for FAA and Canadian Exams * The CX-2 is a powerful, useful, and versatile aviation device for fast, accurate flight planning and calculations. Calculate true airspeed, ground speed, Mach number, altitudes, fuel, headings and courses, time/speed/distance, winds, weight and balance, and much more. Hardly used. Has original box and manual. Books include Transport Canada Flight Training Manual (4th Edition) and From the Ground Up (29th Edition)