Published in accordance with the program of the course "Machine Details" . The questions of kinematic and force calculation ; are considered. calculation of gear, including the choice of material of gears, determination of permissible voltages ; design calculation, geometric calculation and necessary verification calculations, as well as the issue of sketch design, rough calculation of shafts, design of body elements, selection of bearings, pins . Intended for full-time and part-time students studying in specialty 25. 05. 05 "Operation of aircraft and organization of air traffic", specialization "Organization of maintenance and repair of aircraft"