The Knoller C.I was a reconnaissance aircraft built in Austria-Hungary during World War I for use by the Austro-Hungarian army. It was a conventional biplane design with staggered wings, and seated the pilot and observer in tandem in an open cockpit. The upper wing was swept back.
- Crew: Two, pilot and observer
- Length: 8.5 m (27 ft 11 in)
- Wingspan: 12.70 m (41 ft 8 in)
- Height: 3.30 m (10 ft 10 in)
- Wing area: 36 m2 (387 ft2)
- Empty weight: 780 kg (1,720 lb)
- Powerplant: 1 × Austro-Daimler 120hp 6-cyl, 120 kW (160 hp)
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 561.
- Grosz, Peter (2002). Austro-Hungarian Army Aircraft of World War One. Flying Machine Press.