Aviateur 5.7M Full Plans

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A real seaworthy little cruiser

For Study Plans, click HERE

She is the "big" brother of Souriceau.

The boat is designed to be built by home-builders, or by a professional yard. Aviateur 5,70m can be sailed with your family during coastal navigations.

She has been designed for high seas as well as Minis 6.50m, to be a very seaworthy little boat.


  • Building material: 9mm thick. marine plywood, glass fiber and epoxy resin.
  • Hull lenght: 5,70 m
    Lenght at DWL: 5,70 m
  • Lenght over all, LOA: 5,95 m
  • Beam max. : 2,50 m
  • Beam (max) at DWL : 1,9 m
  • Fwd freeboard: 0,95 m
  • Aft freeboard: 0,81 m
  • Draft min./max.0,66 m / 1,31 m
  • Retractable keel with tackle (easy and simple system)
  • Lenght from DWL to the head of the mast: 8,88 m
  • Engine: outboard from 2 HP to 6 HP
  • Mainsail Area: 14,4m2
  • Solent Area: 8,09m2
  • Total Area to windward: 22,5m2
  • Spinnaker Area (asymetrical): 27m2
  • Sliding integrated pool (through the watertight anchor locker)
  • Displacement: 625 kg
  • Déplacement (half loading) 837.5 kg
  • Déplacement (full loading) 1050 kg
  • Keel ballast: 230kg with 200kg of bulb
  • Unsinkable with flotation foam under berthes
  • Transportable
  • Beachable
  • European Conception Category: C3 D4

Aviateur 5,70m is a very stiff boat with a big interior volume.


-Galley with one stove
-High stability for the lenght.
-Forward anchor locker.
-Companionway, where you can handle all
-Forward double berth, very wide, with a big deck hatche just above.
-Keel sleeve stopped at the berth level.
-Big volume inside, with big space given by the "empty" bulkheads.
-Side berths 60cm by 2m of lenght.
-Big volume above berths
-2 couple tillers: 1 outside and one inside, to helm under the plexiglass bubbles.
-Chart table


Very simple developpable construction - Hull with only 4 chines, with a flat bottom hullshell. Deck with 2 chines, with flat panels. Construction: epoxy-marine plywood.

If you choose to built Aviateur 5.70m at home, the price of the materials (near european prices) is about 10100 € without sails. Mainsail+solent+spinnaker = 3470 € Time of construction: about 400-500 hours.


She is trailerable too. (boat,625kg + trailer,180kg = 805kg to be trailered). When the boat is driven in the water, the trailer is immersed (like the open boat of the same length): a rope is placed betwen the ball of the car and the trailer. in the diagram below, you can observe that the fixed rudder-skegs don't touch the bottom.


The boat can be rigged alone: a transverse axis enables the mast to rotate around with security. We place the shrouds on their chainplates, and rotate the mast forward with a halyard. Then, we just have to place the stay.

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