Maurice BELLONTE (1896-1984) aviator, he succeeded with Dieudonné Costes the first Paris-New York crossing without stopover. 2 autograph manuscripts, [early 1930s]; 12 pages in-4 with erasures and corrections. Two lectures on aerial navigation: Différents procédés de navigation (4 p.) and La navigation des grands raids (8 p., with graphics). Attached is a set of 10 autograph notes by Bellonte, some of which concern his various encounters with Costes. Plus a file of typescripts (some corrected) of lectures given by Bellonte in Belgium.