Modified wing construction and an improved rotary engine made the Siemens-Schuckert D.IV a better aircraft than its predecessor the D.III. Considered superior to the Fokker D.VII, it entered service in small numbers, too late to have much of an impact on the outcome of the air war.

Country: Germany
Manufacturer: Siemens-Schuckert
Type: Fighter
Entered Service: 1918
Number Built: 123
Engine(s): Siemens-Halske Sh IIIa, rotary, 160 hp
Wing Span: [8.35 m]
Length: [5.70 m]
Height:
Empty Weight: [540 kg]
Gross Weight:
Max Speed: [184 km/h]
Ceiling: 26,000 ft in 20 mins
Endurance:
Crew: 1