Albatros D.IX was a German prototype single-seat fighter built in early 1918.

It differed from previous marks by using a simplified fuselage with a flat bottom and slab sides.

Power was provided by a 130 kW (170 hp) Mercedes D.IIIa engine.

The D.IX was armed with twin synchronised 7.92 mm (0.312 in) LMG 08/15 machine guns.

Data from The Complete Book of Fighters[1]General characteristics Performance Armament 2x 7.92 mm (0.312 in) LMG 08/15 machine guns synchronised to fire through the propeller