LONG DISTANCE SEARCH-AND-RESCUE FLOAT AMPHIBIAN SEA-PLANE OF TRIMARAN DESIGN "FREGAT" Russian patent published in 2008 - IPC B64C35/00 

FIELD: engines and pumps.

SUBSTANCE: sea plane consists of fuselage (21), mechanized wing, mid flight propeller ventilator engines (15), wheeled undercarriage, and twin-fin tail with a forward sweep. The wing is made delta swept with a positive angle of a transversal V. A stabilizer (16) is installed between fins (17), and two mid flight propeller ventilator engines are assembled on the fins. Three hulls (20, 23) of a fin shape are installed according to a trimaran design, at that they will not project beyond the front edge of the wing; the hulls are equipped with damping sliding hydro skies (18, 24). The fuselage is made as an integrally proof half cylinder unit, having a cone front portion, where a radar station (29), a service compartment (27) with two blow engines and a crew compartment (26) are located. The wheel carriage has six poles and its carriages are assembled in recesses on each side of the hulls.

EFFECT: invention increases stability, controllability and durability of a plane.

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