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Savoia Marchetti SM.79 Sparviero

The Savoia-Marchetti SM.79 Sparviero (“Sparrowhawk”) was a tough tri-motor aircraft that was flown with courage and skill and was a mainstay of the Regia Aeronautica during WWII.

Savoia Marchetti SM.79 Sparviero

Savoia Marchetti SM.79 Sparviero

The prototype flew on 9/2/35 powered by 3 750 hp Alpha Romeo 125 RC.34 engines. It was developed from a civil airliner and had the distinctive hump on the upper forward fuselage that housed the forward and dorsal gunner’s position, earning it the nickname of “Gobbo Maledetto” (Damned Hunchback).

The plane was a mix of steel tubes, light alloy wood and fabric with a high wing load that demanded long airstrips.

Maximum speed was 270 mph with a range of 1,243 miles and a service ceiling of 23,000 ft. The SM.79 was armed with a 12.7mm machine gun firing ahead through the roof of the humpback, a 12.7mm machine gun firing from the dorsal (rear) part of the hump, a 12.7 mm machine gun firing through the ventral position of the gondola and 2 7.7 mm machine guns firing from the side windows. Up to 2,750 lbs of bombs or a 17.7 in torpedo could be carried.

The first SM.79s entered service in late 1936, just in time to fly in the Spanish civil war with the Italian contingent. The SM.79I established an excellent reputation in combat during this time. In October 1939, the Regia Aeronautica began receiving the SM.79II with 1,000 hp Piaggio engines, which was the main version built. The SM.79III, of which a handful were built, had a 20mm cannon in place of the forward firing 12.7mm machine gun and did away with the ventral gondola.

In 1940, well over 1/2 of Italy’s 1,000 bombers were SM.79s, which also turned out to be one of the best land based torpedo bombers of the war. The SM.79 was used to bomb Malta and, in the summer of 1942, had one its best successes against Operation Pedestal, the Royal Navy effort to relieve Malta. The SM.79II also saw extensive service in North Africa, the Balkans and the Mediterranean. After the armistice, the series III was built for use by the pro-axis Italian Air Force.

The SM.79 was so popular, that Spain, Brazil, Iraq and Yugoslavia used them in their air forces. Romania also received the SM.79 and also license built the Series II using the Junkers Jumo 211 D 1,220 hp engines and used them on the Russian front through 1944, first as bombers and then as utility transports. The SM.79s that survived the war were used until the 1950’s as utility transports for their air forces.

A total of approximately 1,200 were built.

Specifications
Type 5-Seat Torpedo Bomber
Powerplant (3) 1,000 hp engines
Performance 435 Km/h
Range 2,000 Km
Ceiling 7,000 meters
Armament 4 machine guns/2 Torpedos or 2,755 lbs of bombs

Article by JDG

Sources:
Complete Book of World War II Combat Aircraft (Documents of History)
In the Skies of Europe: Air Forces Allied to the Luftwaffe 1939-1945
Jane’s Fighting Aircraft of World War II
The Encyclopedia of Weapons: From World War II to the Present Day
Illustrated Directory of Fighting Aircraft of World War II
Enemy Aircraft (German and Italian) of World War Two (II) Including Some Aircraft of F.A.A.
Jonathon Thompson, Italian Civil and Military Aircraft 1930-45, Aero, 1960.
William Green, Warplanes of the Second World War (10 vol.), Doubleday, 1960-68