The Friendship 3 is a French ultralight aircraft with tandem seats, engineered in France and Switzerland, and assembled in Czech Republic by Ivanov Aircraft for the manufacturer, R,S & Associes SAS Erik Sanstroem of Versailles, Yvelines. Inspired by 1950s and 1960s light aircraft and motorgliders, the Friendship 3 is a two-place tandem-seat ultralight aircraft with dual controls, so that the rear seated passenger can also fly. The company seems to have been founded 2012 and gone out of business in 2014.