The Albatros W.4 was developed In response to a German Admiralty request for a high performance seaplane to protect its bases along the Flanders Coast. The first W.4 was ordered in June 1916 and delivered in September. It resembled the D.I landplane, then in production at Johannistahl, but had larger wings with Increased gap. Fin and rudder area was also Increased, and the fuselage underfin eliminated.
Only the prototype W.4 was built by the Albatros company. The rest were constructed by the seaplane works at Friedrichshagen, a suburb of Berlin. Later W.4s featured floats of better aerodynamic shape, shorter float struts, a wing-mounted radiator and ailerons on both wings. […]