|Designer||Dr. Edmund Rumpler|
The Rumpler C.IV was a German single-engine, two-seat reconnaissance biplane. The C.IV was a development of C.III with different tail surfaces and using a Mercedes D.IVa engine in place of C.III's Benz Bz.IV. In addition to the parent company, the aircraft was also built by Pfalz Flugzeugwerke as the Pfalz C.I. Another variant of the basic design was the Rumpler 6B 2 single-seat floatplane fighter, with a 120 kW (160 hp) Mercedes D.III engine, built for the Kaiserliche Marine (Imperial Navy).
For a two-seater reconnaissance aircraft, Rumpler C.IV had an excellent performance, which enabled it to remain in front-line service until the end of World War I on the Western Front, as well as in Italy and Palestine. Its exceptional ceiling allowed pilots to undertake reconnaissance secure in the knowledge that few allied aircraft could reach it.
For use during filming, Slingsby Sailplanes built two Slingsby T.58 Rumpler C.IV replicas. While these were visually similar to the original aircraft, they were structurally completely different, having a steel-tube fuselage structure and wooden wings, and being powered by a de Havilland Gipsy Major engine.
- Rumpler C.IV
- Pfalz C.I
- Production by Pfalz, with ailerons on all four wings: 300 built.
- Rumpler C.IV (Pfal)
- The Pfalz C.I re-designated
- Slingsby T.58 Rumpler C.IV replica
- Slingsby Sailplanes built two Slingsby T.58 Rumpler C.IV replicas. While these were visually similar to the original aircraft, they were structurally completely different, having a steel-tube fuselage structure and wooden wings, and being powered by a de Havilland Gipsy Major engine
- Rumpler 6B 2
- floatplane fighter
- SNETA (post-war)
- Yugoslav Royal Air Force - Postwar.
Data from German Aircraft Of The First World War 
- Crew: 2 (pilot and observer)
- Length: 8.41 m (27 ft 7 in)
- Wingspan: 12.66 m (41 ft 6 in)
- Height: 3.25 m (10 ft 8 in)
- Wing area: 33.5 m2 (361 sq ft)
- Empty weight: 1,080 kg (2,381 lb)
- Gross weight: 1,530 kg (3,373 lb)
- Powerplant: 1 × Mercedes D.IVa 6-cylinder water-cooled in-line piston engine, 190 kW (260 hp)
- Propellers: 2-bladed fixed-pitch propeller
- Maximum speed: 171 km/h (106 mph, 92 kn) at 500 m (1,640 ft)
- Endurance: 3½-4 hr
- Service ceiling: 6,400 m (21,000 ft) 
- Guns: 1 × fixed, forward-firing 7.92 mm (.312 in) LMG 08/15 with an interruptor gear and 1 × 7.92 mm (.312 in) Parabellum MG14 machine gun on a ring mounting
- Bombs: 100 kg (220 lb) of bombs
Aircraft of comparable role, configuration and era
- Gray, Peter and Thetford, Owen. German Aircraft of the First World War. London, Putnam, 1962.
- Munson, Kenneth. Aircraft of World War I. London: Ian Allan, 1967. ISBN 0-7110-0356-4.
- Munson, Kenneth. Bombers, Patrol and Reconnaissance Aircraft 1914 - 1919. ISBN 0-7537-0918-X
- Munson, Kenneth. Fighters, Attack and Training Aircraft 1914 - 1919. ISBN 0-7537-0916-3.
- Taylor, John W. R. Jane's All The World's Aircraft 1969–70. London: Sampson Low, Marston & Company, 1969. ISBN 0-354-00051-9.
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