CANT Z.506

CANT Z.506 Airone
Role	Patrol aircraft
Manufacturer	CANT
Designer	Filippo Zappata
First flight	August 19,1935
Introduction	1936
Retired	1959
Primary user	Regia Aeronautica
Number built	Z.506B 314 + 2 prototypes Z.506C 40
Developed into	CANT Z.509

The CANT Z.506 Airone (Italian: Heron) was a triple-engine floatplane produced by CANT from 1935. It served as a transport and postal aircraft with the Italian airline "Ala Littoria". It established 10 world records in 1936 and another 10 in 1937. During World War II it was used as a reconnaissance aircraft, bomber and air-sea rescue plane, by the Italian Regia Aeronautica and Regia Marina, Aeronautica Cobelligerante del Sud, Aeronautica Nazionale Repubblicana and the Luftwaffe. The military version revealed itself to be one of the best floatplanes ever built. Despite its wooden structure it was able to operate in very rough seas. A number of Z.506S air-sea rescue aircraft remained in service until 1959.

The CANT Z.506 was designed as a 12 to 14-seat transport twin-float seaplane, powered by three 455 kW (610 hp) Piaggio Stella IX radial engines. It was derived from the larger and heavier Z.505 seaplane. The Z.506 entered production in 1936 as the Z.506A, powered by more powerful 560 kW (750 hp) Alfa Romeo 126 RC.34 nine cylinder radial engines, giving a maximum output of 780 CV on take off and 750 CV at 3,400 meters. The fuselage had a wooden structure covered in tulipier wooden lamellas. The wings were built with a structure of three box-type spars linked by wooden wing-ribs covered by plywood. The floats were made of duraluminium, covered in chitonal and were 12.50 meters long. The armament consisted of a 12.7 (0.5 inch) Breda-SAFAT machine guns in the dorsal position and three 7.7 mm (0.303 inch) machine guns, one in the ventral position and two on the sides of the fuselage. The CANT Z.506 had a crew of five.

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