Alpa 38 Information, Review, Specs

Alpa 38 Drawing
Make
Alpa
Model
38
Builder
Alpa
Designer
Sparkman & Stephens
Number Built
Production Year(s)
1976 - ??

The Alpa 38, frequently referred to in Mediterranean circles by its metric designation as the Alpa 11.50, represents the pinnacle of the collaboration between the Italian shipyard Alpa and the legendary American design firm Sparkman & Stephens. Launched in the early 1970s, the Alpa 38 was born during the transformative era of the International Offshore Rule (IOR), which heavily influenced hull shapes and sail plans of the period. While many builders were experimenting with lighter, more ephemeral constructions, Alpa maintained a reputation for "over-built" fiberglass layups, positioning the 38 as a premium offshore cruiser-racer. This model followed the success of the smaller Alpa 9.50 and helped solidify the brand's identity as the "Italian Nautor’s Swan," offering a similar blend of Sparkman & Stephens performance and high-end interior joinery. The vessel’s lineage is officially documented as Sparkman & Stephens Design No. 2221, a heritage that remains a primary selling point for the model on the secondary market today.

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Sailing Performance & Handling

Under sail, the Alpa 38 exhibits the classic characteristics of a Sparkman & Stephens IOR design: a pronounced tumblehome, a narrow waterline beam that flares toward the deck, and a high-aspect masthead rig. This hull geometry, while designed to take advantage of racing handicap rules of the 1970s, translates into a boat that is remarkably stiff and seaworthy in heavy weather. With a substantial displacement-to-length ratio, the Alpa 38 does not "jump" onto a plane like modern light-displacement cruisers; instead, it powers through chop with a momentum-driven cadence that minimizes pitching.

Handling is defined by the boat's deep fin keel and skeg-hung rudder, a configuration that provides excellent directional stability. In editorial assessments from the period, such as those archived by Nautica, the vessel is noted for its ability to track reliably even when pressed in a blow. However, like many IOR-influenced designs with pinched sterns, the Alpa 38 can become "fidgety" on a deep run in heavy following seas, requiring an attentive hand on the helm to prevent rhythmic rolling. Upwind, the boat excels, pointing high and maintaining a comfortable heel angle that makes long offshore beats less fatiguing for the crew.

Interior Comfort & Variations

The interior of the Alpa 38 is a masterclass in 1970s Italian nautical styling, characterized by extensive use of high-quality mahogany and teak. The layout typically features a traditional V-berth forward, followed by a full-width head and hanging lockers. The main salon is dominated by a central drop-leaf table flanked by settees that serve as excellent sea berths. One notable variation found in the Alpa 38 is the configuration of the navigation station and galley; most hulls utilize a large, forward-facing chart table—a nod to the boat's offshore racing pedigree—and a compact, secure U-shaped galley designed for use while underway.

The "11.50" moniker was often used for the European market to highlight its metric length, but the hull and interior footprint remained consistent across the production run. Sibling models include the larger Alpa 12.70 (S&S Design No. 2337), which offered an aft-cabin layout that the 38 lacks. The Alpa 38 instead utilizes deep quarter berths tucked under the cockpit sides, providing sleeping capacity for up to seven people, though it is most comfortably campaigned by a crew of four. Headroom is generous throughout the main cabin, often exceeding 6'2", which was quite progressive for a vessel of this vintage.

Known Issues & Buyer’s Checklist

Prospective buyers of an Alpa 38 should approach the vessel with an understanding of its age and the construction techniques of the 1970s. While the hulls are generally considered "bulletproof" in terms of structural fiberglass, several specific areas require scrutiny:

  • Osmotic Blistering: Early Alpa hulls were built before the widespread use of vinylester resins. While the layups are thick, "Alpa pox" (osmosis) is a known occurrence. A moisture meter survey of the hull below the waterline is essential.
  • Deck Core Integrity: The decks are typically balsa-cored. Decades of hardware installations can lead to water ingress around stanchion bases and the mast step, potentially rotting the core and leading to "soft spots."
  • Chainplate Anchors: On the Alpa 38, the chainplates are robust but should be inspected for crevice corrosion where they pass through the deck, as well as for any signs of movement in the structural knees to which they are bolted.
  • Rigging and Spars: Many 38s still carry their original Proctor masts. While these were high-quality spars, the standing rigging and internal wiring often require total replacement to meet modern insurance standards.
  • Engine Accessibility: Many hulls were originally fitted with Farymann or Perkins engines. Because the engine is tucked beneath the companionway and cockpit sole, access for major repairs can be cramped, often requiring the removal of the companionway stairs for routine maintenance.

Community & Resources

The Alpa 38 enjoys a dedicated following, particularly in Italy and France. The primary hub for technical knowledge and historical documentation is the Alpa Historical Club, which maintains archives of original brochures and design specifications. Additionally, the Sparkman & Stephens Association provides a global platform for owners of S&S-designed hulls, offering a wealth of information on rig tuning and performance optimization for Design No. 2221.

The Verdict

The Alpa 38 is a "sailor’s sailboat," offering a level of aesthetic grace and offshore capability that modern production boats often struggle to replicate. It is a vessel for those who value the pedigree of Sparkman & Stephens and the robust, if heavy, construction of the Italian golden age of yachting.

Pros:

  • Exceptional Seaworthiness: A heavy-displacement hull that handles offshore conditions with poise.
  • Timeless Aesthetics: The classic S&S lines and high-quality Italian woodwork remain visually stunning.
  • Strong Value Retention: As a recognized "modern classic," well-maintained examples hold their value better than generic cruisers of the same era.

Cons:

  • IOR Quirks: Can be challenging to handle downwind in heavy seas due to the narrow stern.
  • Maintenance Intensive: Aging systems and potential core issues require a proactive (and often expensive) maintenance schedule.
  • Limited Aft Privacy: The lack of a dedicated aft cabin may deter families used to modern layouts.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x Skeg-Hung
Ballast
7620 lbs (Lead)
Displacement
18000 lbs
Water Capacity
100 gal
Fuel Capacity
50 gal

Dimensions

Length Overall (LOA)
37.28 ft
Waterline Length (LWL)
27.25 ft
Beam
11.2 ft
Draft
5 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Masthead Sloop
P (Main Luff)
38.8 ft
E (Main Foot)
14.57 ft
I (Foretriangle Height)
44.95 ft
J (Foretriangle Base)
14.24 ft
Forestay Length (est)
47.15 ft
Sail Area
602 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
14.02
Ballast / Displacement Ratio
42.33
Displacement / Length Ratio (D/L) Ratio
397.12
Comfort Ratio
36.82
Capsize Screening Formula
1.71
Hull Speed
7 kn