The Aviatik B II was twin-seater, biplane reconaissance aircraft. The observer sat in front of the pilot, and had a gun from 1915 onwards. The observer had to be careful not to hit anything vital on the aircraft while firing the gun, as he was surrounded by pilot, wings and the engine. The B II was smaller and had a better performance than the unarmed B I (shown above). They both flew in 1914.
The Aviatik C I of 1915 was a development of the B II. The observer was still seated in front of the pilot, a practice that was reversed in later versions. This was to provide covering fire to the rear of the aircraft, and still provided the observer with a good, if not even an improved, field of view. As the war progressed the observer became more of an observer/gunner, and in some aircraft he was devoted to being a gunner.
The Aviatik D series were designed as single engine fighters. The DIII (shown above) was of mixed construction, with a plywood-covered fuselage. A small series was built, and considered superior to the Albatros D V. It first flew in 1917.
The Type B II was a twin-seat reconaissance aircraft. It was powered by a 88kW Mercedes D II engine that provided a maximum speed of 100km/h. The ceiling was 6100m, with a good endurance of 3 hours. Armament was a single 7.7 mm machine gun.
The C I was also a twin-seater reconaissance aircraft. In the CII model the observer moved to behind the pilot. The engine was a 120kW Mercedes DIII. This provided a considerable increase in speed to 143km/h, but with a noticeably lower ceiling of only 4000m. It still had a good endurance of 3h 30m. Armament was a pair of 7.7 mm machine guns, one on the cowling for the pilot and one in the rear for the observer/gunner.
The DIII was a single seat fighting scout powered by a 195 hp Benz Bz IIIbo engine. It was equipped with the standard two forward firing Spandau 7.7 mm machine guns.
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BI. An online aircraft image archive.
DIII. C. Campbell. Aces and Aircraft of World War I.