ETAP 48 DS — Information, Review, Specs

von Ahlen Yacht Design/Stile Bertone·2009·Etap Yachting
ETAP 48 DS drawingBuilder drawing
Hull type
Monohull · wing
Rig
Fractional Sloop
LOA
47.44' · 14.46 m
Displ.
29,101 lbs · 13,200 kg
First year
2009

The ETAP 48 DS represents the pinnacle of the Belgian shipyard’s engineering, serving as the flagship of their "unsinkable" fleet upon its debut in the mid2000s. Designed by Von Ahlen Yacht Design, this deck saloon cruiser was a significant departure from the smaller, more utilitarian models that built the brand's reputation in the 1970s and 80s. It was conceived as a bluewater passage maker capable of providing luxury and safety in equal measure, utilizing Etap’s signature doublehull construction filled with closedcell polyurethane foam. This method not only provides enough buoyancy to keep the vessel afloat even when completely swamped but also offers exceptional thermal and acoustic insulation, a feature rarely found in massproduced fiberglass yachts.

Measurements

Dimensions 01

LOA
47.44 ft
LWL
41.01 ft
Beam
14.76 ft
Draft
6.73 ft
Max headroom
-
Air draft
65.12 ft

Construction & hull 02

Construction
Fiberglass
Hull type
Monohull
Keel type
Wing
Rudder
1× —
Ballast
9259 lbs (Lead)
Displacement
29101 lbs
Water
111 gal
Fuel
74 gal

Rig & sails 03

Rig type
Fractional Sloop
P · main luff
51.25 ft
E · main foot
19.68 ft
I · fore ht.
52.72 ft
J · fore base
14.93 ft
Forestay (est)
54.79 ft
Sail area
839 sqft

Calculations 04

SA/D ratio
14.19
Ballast/Disp.
31.82
D/L ratio
188.36
Comfort ratio
29.06
Capsize screening
1.92
Hull speed
8.58 kn

Sailing Performance & Handling

The sailing characteristics of the ETAP 48 DS are defined by its relatively high displacement and a hull form optimized for stability rather than outright racing speed. With a displacement-to-length ratio that leans toward the "heavy cruiser" category, the boat exhibits a motion at sea that is predictable and kindly, reducing fatigue on long offshore passages. One of the most distinctive features of this model is the Etap Vertical Steering (EVS) system. Unlike a traditional wheel, the EVS utilizes a vertical "joystick" or tiller-style arrangement that allows the helmsman to sit comfortably on either side of the cockpit with unobstructed views forward.

According to technical analysis by Von Ahlen Yacht Design, the hull was designed to provide high initial stability, which is further enhanced by a lead keel. While the sheer volume of the boat and the windage of the deck saloon cabin top can affect upwind performance in light airs, the 48 DS excels in a breeze. The fractional rig is typically handled via in-mast furling and an electric winch package, making it a viable option for short-handed couples. Anecdotal reports from owners suggest that the boat tracks exceptionally well, thanks to a deep spade rudder that maintains grip even when pressed in a gust.

Interior Comfort & Variations

The "DS" designation signifies the Deck Saloon configuration, which is the defining characteristic of the 48’s interior. The raised saloon floor and expansive panoramic windows provide a 360-degree view from the seating area, a luxury that significantly improves the quality of life during long periods at anchor or in inclement weather. The interior woodwork is typically finished in light oak or cherry, which, combined with the natural light, prevents the "cave-like" feel common in traditional monohulls.

The layout was primarily offered in a three-cabin configuration. The master suite is located forward, featuring a large island berth and a private en-suite head with a separate shower stall. Two guest cabins are situated aft, though some variations allowed for one of these to be converted into a technical room or storage locker for long-distance cruising. The galley is "longitudinal," running along the port side, providing ample counter space and secure bracing for the cook while underway. Because of the double-hull construction, the interior lacks the condensation issues found in single-skin boats, meaning lockers and linens stay notably drier in humid climates.

Known Issues & Buyer’s Checklist

While the ETAP 48 DS is a robustly built vessel, the very features that make it unique require specific attention during a pre-purchase survey:

  • Foam Core Integrity: While the closed-cell foam is intended to be water-resistant, any deep hull penetrations or historical damage that allowed water into the cavity between the two hulls must be scrutinized. A moisture meter can sometimes produce "false positives" on Etaps due to the density of the foam, so a surveyor experienced with sandwich construction is essential.
  • EVS Steering Linkages: The unique vertical steering system uses a series of linkages and bearings that differ from standard cable or hydraulic pedestals. Buyers should check for any "play" or slack in the steering response, which may indicate worn bushings in the EVS mechanism.
  • Deck Saloon Window Seals: The large acrylic or glass panels of the deck saloon are subject to significant UV exposure and thermal expansion. Check for signs of crazing or previous leaks around the sealant beads, as re-bedding these large panels can be a complex and expensive undertaking.
  • Sail Handling Systems: Given the boat's size and displacement, the 48 DS relies heavily on powered systems (electric winches and furling). The electrical load is high, and the condition of the house battery bank and the heavy-gauge wiring to the primary winches should be verified to ensure they can handle the torque required for the large sail plan.

Community & Resources

Owners of the 48 DS benefit from a highly organized international community. The Etap Owners Association serves as a primary repository for technical manuals, wiring diagrams, and specific maintenance advice for the EVS steering system and the double-hull construction. Because the builder is no longer in active production, these owner-led technical wikis are the most reliable source for sourcing replacement parts or specialized hardware unique to the Etap brand.

The Verdict

The ETAP 48 DS remains one of the few true "unsinkable" blue-water cruisers ever produced in this size range. It is an ideal vessel for the safety-conscious sailor who prioritizes comfort and insulation over regatta-winning speeds.

Pros:

  • Safety: The unsinkable double-hull construction provides unparalleled peace of mind for offshore work.
  • Climate Control: Superior insulation from the foam core makes it exceptionally warm in winter and cool in summer.
  • Visibility: The deck saloon offers one of the best "views with a room" in the 50-foot cruising category.

Cons:

  • Complex Steering: The EVS system, while ergonomic, has a learning curve and requires specific maintenance.
  • Windage: The high profile of the deck saloon can make close-quarters maneuvering in high winds challenging.
  • Support: With the original shipyard defunct, owners must rely on third-party vendors and owner associations for specialized parts.

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