First flight: 27 July 1937 (Sept 1939 as Military variant)
Type: Six seat maritime reconnaissance bomber (Seven crew in C-3/U4)
Powerplant: Four 1,200 hp BMW-Bramo Fafnir 323R-2 9-cylinder single-row radials
Dimensions Length: 76 ft 11.5 in (23.46 m) Height: 20 ft 8 in (6.3 m) Wingspan :107 ft 9.5 in (30.855 m)
Weights Empty: 28,550 lb (12,951 kg) Operational: 50,045 lb (22,700 kg)
Performance Speed: 224 mph (360 km/h) Service ceiling: 19,030 ft (5,800 m) Range: 2206 miles (3,550 km)
Armament:
One 7.92 mm MG15 (or 15 mm MG151 (C-3/U1), or 13 mm MG131 (C-3/U3)) in power operated forward dorsal turret
One 20 mm forward firing flexible MGFF cannon in front ventral gondola (C-1) 20 m MG151/20 (C3/U1) or 13 mm MG131 (C-3/U2)
One 7.92 mm MG15 flexible gun in rear ventral gondola
Two 7.92 mm or 13 mm MG131 guns in beam positions (C-3/U4 variant)
One 7.92 mm MG15 in rear dorsal position (or 13 mm MG131 flexible gun (C-3/U3)) Maximum bombload: 4,626 lb (2,100 kg)