The Breguet Aerhydroplane was a large experimental

flying boat A flying boat is a type of fixed-winged seaplane with a hull, allowing it to land on water. It differs from a floatplane in that a flying boat's fuselage is purpose-designed for floatation and contains a hull, while floatplanes rely on fusela ...

developed in France in 1912. It proved to be underpowered and never flew. Huge for its day, it was a

parasol-wing A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplane (aeronautics), multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowe ...

monoplane of

canard Canard is French for duck, a type of aquatic bird. Canard may also refer to: Aviation *Canard (aeronautics), a small wing in front of an aircraft's main wing * Aviafiber Canard 2FL, a single seat recreational aircraft of canard design * Blé ...

configuration (described in some sources as a tandem wing design on account of the wide span of the foreplane relative to the mainplane) with a single tractor

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 ...

turned by a chain drive from an engine located within the

hull Hull may refer to: Structures * Chassis, of an armored fighting vehicle * Fuselage, of an aircraft * Hull (botany), the outer covering of seeds * Hull (watercraft), the body or frame of a ship * Submarine hull Mathematics * Affine hull, in affi ...

. The hull was designed for Bréguet by Alphonse Tellier and featured wide sponsons. The empennage was the cruciform tail common to early Bréguet designs. Christened '' La Marseillaise'', it was displayed at the '' Salon de l'Aéronautique'' in 1912 and demonstrated at Monaco by Bréguet in 1913 along with his more conventional H-U2 and H-U3 seaplanes. Here, it proved itself capable of maneuvering on water, but not of actually taking off, its 97 kW (130 hp) engine being incapable of making its 2,000 kg (4,410 lb) weight airborne. All development was abandoned at this point.

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Description and sketch in ''Flight'' journal November 1912
{{Breguet aircraft 1910s French experimental aircraft Flying boats Aerhydroplane Single-engined tractor aircraft Canard aircraft Parasol-wing aircraft Unflown aircraft