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The Piaggio P.3 was an Italian night
bomber A bomber is a military combat aircraft designed to attack ground and naval targets by dropping air-to-ground weaponry (such as bombs), launching aerial torpedo, torpedoes, or deploying air-launched cruise missiles. The first use of bombs dropped ...
prototype built by
Piaggio Piaggio & C. SpA (Piaggio ) is an Italian motor vehicle manufacturer, which produces a range of two-wheeled motor vehicles and compact commercial vehicles under seven brands: Piaggio, Vespa, Gilera, Aprilia, Moto Guzzi, Derbi, and Scarabeo. ...
in 1923.


Design and development

Designed by
Ing Ing, ING or ing may refer to: Art and media * '' ...ing'', a 2003 Korean film * i.n.g, a Taiwanese girl group * The Ing, a race of dark creatures in the 2004 video game '' Metroid Prime 2: Echoes'' * "Ing", the first song on The Roches' 199 ...
Giovanni Pegna Giovanni Pegna (4 January 1888 – 19 May 1961) was an important figure in the development of Italian aviation. He was the head of the construction department of Piaggio and later of the Officine Meccaniche Reggiane, a subdivision of Caproni. ...
, the P.3 was a four-engine, two-bay
biplane A biplane is a fixed-wing aircraft with two main wings stacked one above the other. The first powered, controlled aeroplane to fly, the Wright Flyer, used a biplane wing arrangement, as did many aircraft in the early years of aviation. While ...
with wings of unequal span, the lower wing being greater in span than the upper. Its four 149-
kilowatt The watt (symbol: W) is the unit of power or radiant flux in the International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3. It is used to quantify the rate of energy transfer. The watt is named after Jame ...
(200-
horsepower Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are th ...
) S.P.A. 6A engines were mounted in tandem pairs on the lower wing, with each engine driving one of four
propeller A propeller (colloquially often called a screw if on a ship or an airscrew if on an aircraft) is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon ...
s, two mounted in a
tractor A tractor is an engineering vehicle specifically designed to deliver a high tractive effort (or torque) at slow speeds, for the purposes of hauling a trailer or machinery such as that used in agriculture, mining or construction. Most commonly, ...
and two in a
pusher configuration In an aircraft with a pusher configuration (as opposed to a tractor configuration), the propeller(s) are mounted behind their respective engine(s). Since a pusher propeller is mounted behind the engine, the drive shaft is in compression in no ...
. The P.3s tail was of biplane configuration with three
rudder A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, aircraft, or other vehicle that moves through a fluid medium (generally air or water). On an aircraft the rudder is used primarily to counter adverse yaw a ...
s mounted between the two planes. The crew of four consisted of a pilot, co-pilot, nose gunner, and rear gunner; the pilot and co-pilot sat side by side in a cockpit just ahead of the wings, the nose gunner manned a
machine gun A machine gun is a fully automatic, rifled autoloading firearm designed for sustained direct fire with rifle cartridges. Other automatic firearms such as automatic shotguns and automatic rifles (including assault rifles and battle rifl ...
mounted in a cockpit in front of them, and the rear gunner manned two machine guns, one in an amidships cockpit behind the pilots and another mounted in a ventral tunnel for defense against attacks from below. The P.3 made its first flight in 1923, and Piaggio later installed two 306-kilowatt (410-horsepower)
Fiat Fiat Automobiles S.p.A. (, , ; originally FIAT, it, Fabbrica Italiana Automobili di Torino, lit=Italian Automobiles Factory of Turin) is an Italian automobile manufacturer, formerly part of Fiat Chrysler Automobiles, and since 2021 a subsidiary ...
A.20V engines on the aircraft. However, the ''
Regia Aeronautica The Italian Royal Air Force (''Regia Aeronautica Italiana'') was the name of the air force of the Kingdom of Italy. It was established as a service independent of the Regio Esercito, Royal Italian Army from 1923 until 1946. In 1946, the mon ...
'' (Italian Royal Air Force) did not place a production order for the P.3.


Operators

; *
Regia Aeronautica The Italian Royal Air Force (''Regia Aeronautica Italiana'') was the name of the air force of the Kingdom of Italy. It was established as a service independent of the Regio Esercito, Royal Italian Army from 1923 until 1946. In 1946, the mon ...


Specifications (S.P.A. 6A engines)

{{Piaggio aircraft 1920s Italian bomber aircraft P.003 Four-engined push-pull aircraft Aircraft first flown in 1923