CRDA Cant Z.501 Gabbiano
1934
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CRDA Cant Z.501 Gabbiano

The Cant Z.501 Gabbiano (gull) light reconnaissance flying-boat was serving in fairly large numbers with the Regia Aeronautica when Italy entered World War II in June 1940. Designed by Filippo Zappata in the early 1930s, the prototype was first flown in 1934 at Monfalcone, Trieste, and later in that year established a new world seaplane distance record of 4120km with a nonstop flight from Monfalcone to Massawa in Eritrea. In July the following year the Gabbiano raised the record to 4957km by flying from Monfalcone to Berbera in Somaliland.

The Z.501 entered production in 1935 and the first deliveries were made to the maritime reconnaissance squadrons (squadriglie da ricognizione marittima) of the Regia Aeronautica the following year. Of all-wood construction with fabric-covered control surfaces, the Z.501 was a parasol monoplane with its single Isotta Fraschini 12-cylinder liquid-cooled mime engine with semi-annular cowling in a long nacelle on the wing above the fuselage. A curious feature was the location of an enclosed gun position with single 7.7mm Breda- SAFAT machine-gun in this nacelle; early production aircraft were also armed with single machine-guns in part-enclosed bow and midships positions; later aircraft had the bow gun removed and the observer's cockpit in the bows fully enclosed. Bomb shackles were fitted at the intersection of the wing and float struts and these were capable of carrying up to four 160kg or two 250kg bombs. The planing bottom of the hull was also of unusual design being of concave section.

In June 1940 202 Cant Z.501s were in service with the Regia Aeronautica, flying patrols along the Adriatic coasts as well as in the central Mediterranean, where they performed air-sea rescue and other short-range maritime duties. More than 40 known instances are on record of encounters with Allied aircraft and many were shot down, although they were also involved in the rescue of several ditched RAF aircrews. After the armistice with Italy in September 1943 19 Cant Z.501s continued to serve in the Italian Co- Belligerent Air Force, while others went on flying with the Aviazione della RSI.

CRDA Cant Z.501 Gabbiano


Specification 
 CREW4-5
 ENGINE1 x Isotta-Fraschini "Asso XI R2 C15", 660kW
 WEIGHTS
    Take-off weight5965 kg13151 lb
    Empty weight3860 kg8510 lb
 DIMENSIONS
    Wingspan22.5 m74 ft 10 in
    Length14.3 m47 ft 11 in
    Height4.4 m14 ft 5 in
    Wing area62.0 m2667.36 sq ft
 PERFORMANCE
    Max. speed280 km/h174 mph
    Cruise speed240 km/h149 mph
    Ceiling6500 m21350 ft
    Range w/max.fuel1700 km1056 miles
 ARMAMENT3-6 7.7mm machine-guns, 640kg of bombs

3-View 
CRDA Cant Z.501 GabbianoA three-view drawing (728 x 864)

Comments
Barry, 14.02.2013

Some 454 were delivered when production ended in 1943. As well as being flown by the Regia Aeronautica, the Aeronautica Cobeligerante del Sud and the Aeronautica Nazionale Republicana there were a few flown by Spain and also used on coastal patrols by Rumania. Other sources state the Take off weight as a maximum of 15,510lb (7,035kg)and an empty weight of 8,466lb (7.035kg).

peter nur asan, 16.11.2010

I like to know the detail or walkaround of this unique aircraft, if anybody can help me...

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