O.Thetford, P.Gray German Aircraft of the First World War (Putnam)

Albatros C XIII
  Built in 1917, the C XIII was an endeavour to develop quickly a CL aircraft from the D Va. Only one was built and, as may be seen, it was little more than an enlarged version of the D Va. Certainly it was an elegant two-seater. Engine, 160 h.p. Mercedes D III. Span, 100 m. (32 ft. 9 3/4 in.). Length, 7.8 m. (25 ft. 7 1/8 in.). Height, 2.71 m. (8 ft. 10 3/4 in.). Weights: Empty, 700 kg. (1,540 lb.). Loaded, 1,060 kg. (2,332 lb.). Speed, 165 km.hr. (103.12 m.p.h.). Climb, 1,000 m. (3,280 ft.) in 4 min., 5,000 m. (16,400 ft.) in 47 min. Duration, 2.5 hr. Armament, one Spandau and one Parabellum machine-gun.