[1] It was a conventional two-bay biplane with staggered wings of unequal span and a fuselage of particularly sleek design.

[2] The pilot and observer sat in open cockpits in tandem, and the undercarriage consisted of twin pontoons braced to the underside of the fuselage and to wings.

[2] Sablatnig delivered the SF-1 prototype to the SVK (Seeflugzeug Versuchs Kommando – "Seaplane Testing Command") in October 1915 under the naval serial number 490.

[2] It was finally accepted into active naval service a full two years later, in October 1917.

[3] Although accepted for service with the Imperial German Navy, only the prototype was built, and no production order was forthcoming.