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Aura 51
Designer: Berret Racoupeau Yacht Design  ·  Builder: Fountaine Pajot  ·  First built: 2021
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About the Aura 51

Fountaine Pajot's Aura 51 represents a sophisticated evolution in modern cruising catamaran design, launched in 2021 from the renowned French shipyard's collaboration with Berret Racoupeau Yacht Design. This 51-foot catamaran showcases the latest thinking in bluewater cruising multihulls, combining impressive interior volume with capable offshore performance. Built with fiberglass construction and featuring a fractional sloop rig, the Aura 51 delivers a substantial 1,657 square feet of sail area powered by twin 60-horsepower engines. The design emphasizes both comfort and seaworthiness, with a moderate 4.27-foot draft that opens up shallow anchorages while maintaining directional stability through its twin keel configuration. At nearly 40,000 pounds displacement spread across a 26.51-foot beam, this catamaran offers the spacious living accommodations that make extended cruising genuinely comfortable for families or charter operations. The sail area to displacement ratio of 22.81 suggests respectable sailing performance in moderate conditions, though like most cruising cats, the emphasis leans toward comfort over racing speed. Ideal for coastal and offshore cruising, the Aura 51 targets sailors seeking a premium platform for extended voyaging with minimal compromise on interior space and amenities.

Core Dimensions
LOA (Length Overall) 50.98 ft / 15.54 m
Beam 26.51 ft / 8.08 m
Max Draft 4.27 ft / 1.30 m
Displacement 39,904.00 lb / 18,100 kg
Sail Area (Reported) 1,657.64 ft² / 154.00 m²
Design & Construction
Hull Type Catamaran Twin Keel
Rigging Type Fractional Sloop
Construction FG
Designer Berret Racoupeau Yacht Design
Builder Fountaine Pajot
First Built 2021
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Performance Ratios
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
218.93
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
17.04
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
3.11
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 8.82 kn
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 24.62 pounds/inch
Engine & Accommodations
Engine Type Diesel
Horsepower 2x 60
Fuel Capacity 238 gals / 900 L
Water Capacity 238 gals / 900 L
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