IP-1 / DG-52, D.P.Grigorovich
Low-wing monoplane fighter. The IP-1 prototype carried two 76mm (?)recoilless guns, with five rounds each; two 7.62mm guns were fitted to assist in aiming. But production aircraft carried a more conventional armament of two 20mm cannon and six 7.62mm. guns.
machine guns: 6x7.62mm