Albatros L 77v
 The Albatros L 77v was a German tandem two-seat reconnaissance fighter biplane four examples of which were built under license for Albatros Flugzeugwerke by Ernst Heinkel Flugzeugwerke in 1928. Based upon the L 76 Aeolus reconnaissance trainer the aircraft was powered by a 450 kW (600 hp) BMW VI 5.5 water-cooled V12 engine.Like the L 76 the L 77v had a fabric-covered welded-steel fuselage and wooden dual-spar wings with plywood skins supported by N-type struts.