Hansa-Brandenburg CC

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The Hansa-Brandenburg CC was a single-seat German fighter flying boat from World War I. It was designed by Ernst Heinkel in 1916 for Austria-Hungary, and the name CC comes from Camillo Castiglioni, the financier. The first flight was in 1916.

The plane used a single engine mounted between the wings (a pusher design) and had a distinctive Star-Strutter wing-bracing system, a feature also seen on the Hansa-Brandenburg D.I and the KDW.

Production and service
- Total built: 73 (37 for Austria-Hungary, 36 for Germany).
- Austro-Hungary received their aircraft in spring 1917 to defend Adriatic ports and naval bases; the sole Austro-Hungarian example delivered that year was written off after a landing accident in autumn 1917.
- Germany received their aircraft from February 1917. They were briefly grounded in July 1917 due to vibration, then reinforced with extra interplane bracing.

Engines and armament
- Austro-Hungary: 119 kW (160 hp) Austro-Daimler or 130 kW (180 hp) Hiero engines; armed with one 8 mm Schwarzlose machine gun.
- Germany: 110 kW (150 hp) Benz Bz.III engine; armed with one or two 7.92 mm LMG 08/15 machine guns.

Variants and experiments
- One CC was converted into a triplane by adding a short third wing between the upper and lower wings where the star struts cross.
- Another was modified with sponsons instead of outrigger floats to support the Dornier Rs.IV development.

Summary
- The CC served with both the Austro-Hungarian Navy and the Imperial German Navy, valued for its flying-boat fighter capability and its unique star-strutter wing-bracing.