Ovni 495 Information, Review, Specs

Sailing Performance & Handling

Under sail, the Ovni 495 is a stable, high-inertia cruiser that prioritizes sea-kindliness over light-wind agility. According to editorial testing by Yachting Monthly, the vessel exhibits a surprisingly stiff nature despite the lack of a traditional fixed bulb, thanks to its wide beam and the significant weight of the internal ballast located in the hull's belly. The yacht’s hull form features a pronounced hard chine, which provides a secondary point of stability when heeled, helping the boat "lock in" during heavy-weather beats.

The 495’s handling is characterized by its powerful cutter rig, which allows for versatile sail plans in varying wind strengths. The ability to lift the centerboard while sailing downwind is a major performance advantage, significantly reducing drag and preventing the "tripping" sensation often felt in deep-keeled boats in following seas. However, as noted in several technical assessments, the single lifting rudder requires a proactive hand at the helm; because the rudder must also lift for shallow water, it is not as deep as a fixed spade rudder, meaning the boat can lose grip if over-canvassed in a gust. Sailors moving from performance cruisers will find the 495 feels "planted" and heavy, requiring a decent breeze (12+ knots) to truly find its stride.

Interior Comfort & Variations

The interior of the Ovni 495 reflects a shift toward higher-end finishes compared to the more utilitarian Alubat models of the 1980s. The standard layout typically features a voluminous raised saloon that takes advantage of the boat’s beam, providing excellent peripheral visibility through the wrap-around deckhouse windows. Because Alubat is a semi-custom builder, internal configurations vary widely. Most hulls were delivered in a three-cabin, two-head arrangement, with the owner’s suite located forward, though four-cabin versions were produced for larger families or charter operations.

Materials usually consist of light oak or cherry veneers, which help brighten the interior against the industrial strength of the aluminum hull. The galley is typically linear and located to port, designed for safety at sea with deep sinks and ample bracing points. A notable variation in the 495 series is the "deck saloon" feeling created by the hull’s depth; there is significant storage beneath the cabin sole, and the integration of the centerboard trunk is handled gracefully, often doubling as a support for the saloon table. Headroom is generous throughout, consistently exceeding 1.95 meters in the main living areas, making it a viable choice for taller sailors.

Known Issues & Buyer’s Checklist

Purchasing a used Ovni 495 requires a specialist surveyor familiar with aluminum construction, as the "gotchas" differ significantly from fiberglass yachts.

• Galvanic Corrosion & Electrolysis: This is the primary concern for any aluminum vessel. Buyers must inspect the hull for signs of pitting, particularly around the waterline and near dissimilar metals (such as stainless steel through-hulls or sail drives). Ensure a galvanic isolator is installed and functioning.
• Centerboard Mechanism: The hydraulic or manual winch system used to raise and lower the heavy centerboard is a high-load component. Inspect the pivot pin for wear and ensure the board does not "clunk" excessively within the trunk, which may indicate worn nylon spacers.
• Paint Adhesion: Alubat yachts are often left unpainted above the waterline for low maintenance, but if the yacht is painted, look for bubbling (osmosis-like blisters) which usually indicates "poultice corrosion" where moisture has trapped salt against the metal.
• Insulation Integrity: To prevent condensation, Alubat uses spray-foam or rockwool insulation. Buyers should check the "sweat zones" behind cabinetry in the bow and stern for any signs of standing water or mold, which can occur if the thermal barrier is breached.

Community & Resources

Owners of the 495 benefit from a robust global network of aluminum enthusiasts. The Ovni Owners Association is the primary hub for technical exchange, offering a deep archive of manuals and modifications specifically for the Briand-designed models. Additionally, the Alubat shipyard maintains a high level of support for older models, often able to provide original architectural plans and replacement components for the lifting keel systems directly from their facility in Les Sables d'Olonne.

The Verdict

The Ovni 495 is a purpose-built tool for the sailor whose horizons extend beyond the Mediterranean or the Caribbean. It is a vessel of compromise: you trade light-air speed and a low maintenance-free exterior for the ability to go anywhere and survive groundings that would terminalize a GRP hull.

Pros:

• Go-Anywhere Draft: The 0.95m minimum draft is unmatched for a 50-foot yacht.
• Structural Safety: The aluminum hull provides immense peace of mind in debris-strewn or poorly charted waters.
• Customization: High build quality with interiors that feel like a "home" rather than a plastic caravan.

Cons:

• Electrical Complexity: Requires constant vigilance regarding the 12V/24V systems to prevent hull corrosion.
• Heavier Handling: Not an ideal choice for those who enjoy light-wind "round the cans" racing.
• Aesthetic Maintenance: Aluminum requires specific knowledge to repair and paint compared to standard gelcoat.