The Ovni 40, designed by the prolific Philippe Briand and built by the Alubat shipyard in Les Sables d’Olonne, represents the quintessential "go-anywhere" blue-water cruiser. Launched as an evolution of the popular Ovni 385, the 40-foot model refined the concept of the dériveur intégral—a fully lifting keel design that allows the boat to retract its board entirely into the hull. Constructed from 5083 H111 aluminum, the Ovni 40 is characterized by its rugged hard-chine hull, a signature of the Alubat brand that provides both structural rigidity and significant initial stability. This model was a cornerstone of the shipyard's production during the early 2000s, bridging the gap between the earlier 1990s designs and the more contemporary Marc Lombard-designed models like the Ovni 400.
Ovni 40 Information, Review, Specs
- Make
- Ovni
- Model
- 40
- Builder
- Chantiers Alubat
- Designer
- Philippe Briand
- Number Built
- Production Year(s)
- 1984 - 1987
Sailing Performance & Handling
The sailing characteristics of the Ovni 40 are defined by its versatility rather than raw speed. With its keel fully extended, the boat draws nearly 8 feet, providing a respectable grip on the water for upwind work. However, as an integral centerboarder, it lacks the deep, concentrated ballast of a fin-keel yacht; instead, the ballast is distributed internally along the bottom of the hull. This results in a softer motion in a seaway but also means the boat is more sensitive to sail trim to manage heel angles. According to editorial testing by Yachting Monthly, which reviewed the closely related 395 sibling, these hulls are surprisingly nimble in a breeze but require the engine or significant sail area in light airs due to their high wetted surface area when the board is down.
Handling the Ovni 40 is a unique experience, particularly in shallow water or downwind. With the board raised, the draft is reduced to a mere 0.70 meters (approximately 2 feet 4 inches), allowing the vessel to enter estuaries and lagoons inaccessible to almost any other 40-foot monohull. Downwind, the ability to partially raise the board reduces drag and minimizes the risk of "tripping" over the keel in heavy following seas, a trait highly praised by long-distance voyagers. The twin rudders, while providing excellent control when heeled, also allow the boat to sit level on its own hull when the tide retreats, provided the ground is reasonably firm.
Interior Comfort & Variations
The interior of the Ovni 40 is typically finished in light oak or cherry, creating a bright, airy atmosphere that contrasts with the industrial aesthetic of the aluminum exterior. Alubat offered the model in several configurations, most notably a two-cabin version with a massive "technical room" and storage locker aft, or a three-cabin version suitable for families or charter. The saloon is slightly offset to port to accommodate the centerboard trunk, which is cleverly integrated into the interior joinery so as not to impede movement.
A hallmark of the Briand design is the forward-facing navigation station, which serves as a true command center for offshore passage making. The galley is generally U-shaped, providing security for the cook while underway. Variations of this hull include the Ovni 385, which shared much of the same DNA but featured a different transom and cockpit arrangement, and the later Ovni 395, which introduced more volume in the ends and a modernized coachroof. Because Alubat is a semi-custom builder, it is common to find Ovni 40s with bespoke modifications, such as additional insulation for high-latitude cruising or custom tankage for transoceanic range.
Popular Mentions & Media
The Ovni 40 and its siblings have gained a cult following primarily through the advocacy of world-renowned sailor Jimmy Cornell, the founder of the World Cruising Club and the ARC. While Cornell famously sailed an Ovni 43 (Aventura II) and later an Ovni 435, his public endorsement of the Alubat lifting-keel concept solidified the Ovni 40's status as a premier choice for circumnavigators. The model is frequently featured in blue-water cruising literature and "vlog" style documentation by sailors navigating the Northwest Passage or the remote archipelagos of French Polynesia, where the shallow draft is a strategic advantage.
Known Issues & Buyer’s Checklist
Prospective buyers of an Ovni 40 must prioritize the technical health of the aluminum hull over cosmetic concerns. High-signal areas for inspection include:
- Electrolysis and Galvanic Corrosion: The most critical check is the integrity of the hull and the condition of the sacrificial anodes. It is essential to verify that previous owners have not installed "dissimilar metals" (like brass or bronze fittings) directly into the aluminum without proper isolation.
- Centerboard Mechanism: The manual winch and cable system that operates the lifting keel should be inspected for wear. The nylon or Teflon bushings that guide the board can wear over time, leading to a "clunking" sound while at anchor or underway.
- Insulation and Interior Moisture: While Alubat uses closed-cell foam insulation, buyers should check for "cold bridges" where the aluminum ribs meet the lining, as these areas are prone to condensation in cold climates, which can lead to hidden corrosion or mold.
- Teak Deck Condition: Many Ovni 40s were delivered with "Tek-Dek" or real teak overlay. If a real teak deck was screwed into the aluminum (rather than glued), it creates hundreds of potential leak points and sites for crevice corrosion.
Community & Resources
The Ovni 40 benefits from one of the most dedicated owner communities in the sailing world. The Ovni Owners Association serves as a vital technical repository, offering detailed guides on everything from sandblasting the hull to replacing the centerboard pivot pin. In France, the "Ovni Club" remains the primary hub for shipyard-direct information and organized rallies, reflecting the boat's heritage as a staple of French maritime exploration.
The Verdict
The Ovni 40 is not a yacht for the casual weekend sailor who prioritizes marina aesthetics or light-wind racing. It is a purpose-built tool for the serious explorer who views a yacht as a rugged vehicle for discovery.
Pros:
- Unrivaled Versatility: The integral lifting keel allows for beaching and entering shallow anchorages.
- Redundant Strength: The aluminum hull offers superior impact resistance compared to fiberglass.
- Safety: Excellent stability and the ability to "slide" down large waves with the board up.
- Resale Value: Due to their niche market and durability, Ovnis tend to hold their value remarkably well.
Cons:
- Maintenance Intensity: Requires vigilant monitoring of the electrical system to prevent hull corrosion.
- Light Air Performance: The heavy displacement and high wetted surface make for sluggish performance in winds under 10 knots.
- Aesthetic: The "unpainted" aluminum look is functional but may not appeal to all sailors.
Measurements
Construction & Hull
- Construction Material
- Aluminum
- Hull Type
- Monohull Sailboat
- Keel Type
- Lifting
- Rudder
- 1x —
- Ballast
- 7937 lbs (Lead)
- Displacement
- 18739 lbs
- Water Capacity
- 132 gal
- Fuel Capacity
- 53 gal
Dimensions
- Length Overall (LOA)
- 41.34 ft
- Waterline Length (LWL)
- 33.79 ft
- Beam
- 14.11 ft
- Draft
- 7.55 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Cutter
- P (Main Luff)
- -
- E (Main Foot)
- -
- I (Foretriangle Height)
- -
- J (Foretriangle Base)
- -
- Forestay Length (est)
- -
- Sail Area
- 1107.39 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 25.11
- Ballast / Displacement Ratio
- 42.36
- Displacement / Length Ratio (D/L) Ratio
- 216.84
- Comfort Ratio
- 23.66
- Capsize Screening Formula
- 2.13
- Hull Speed
- 7.79 kn