The Hinckley 48, a classic offshore cruising yacht designed by the legendary William H. Tripp Jr., represents a pivotal era in American yacht building where traditional aesthetic values met the emerging capabilities of fiberglass construction. Produced between 1965 and 1975 by Hinckley Yachts, the model was conceived as a larger, more powerful successor to the iconic Bermuda 40. With its long overhangs, graceful sheer line, and a low-profile cabin trunk, the 48 is widely regarded as one of Tripp’s most balanced designs. While many Hinckley models were built in significant numbers, the 48 remains a rare find; records from The Hinckley Club and historical archives suggest that only 8 to 12 of these hulls were completed, making them a "trophy" vessel for collectors of classic plastic.
Hinckley 48 Information, Review, Specs

- Make
- Hinckley
- Model
- 48
- Builder
- Hinckley Yachts
- Designer
- William H. Tripp
- Number Built
- 8
- Production Year(s)
- 1965 - 1975
Sailing Performance & Handling
The Hinckley 48 is a quintessential heavy-displacement cruiser, characterized by a Displacement/Length (D/L) ratio exceeding 400. This mass, combined with a traditional long keel and a bronze centerboard, provides an exceptionally stable and "kind" motion in a seaway, a trait often praised in technical reviews by Practical Sailor. With the centerboard up, the boat draws only 5' 2", allowing access to shallow Bahamian anchorages; with the board fully extended to 11' 9", its upwind tracking and stability are significantly enhanced for offshore passages.
The standard rig was a masthead yawl, a configuration Tripp favored for its ability to balance the helm in varying wind conditions. Under sail, the 48 is not a light-air flyer—its Sail Area to Displacement (SA/D) ratio of roughly 15.0 suggests it is "under-canvased" by modern standards. Performance data indicates that the hull typically requires at least 12–15 knots of breeze to truly come alive. However, once established in a steady blow, the boat’s momentum and heavy-weather tracking are superb. Handling is manageable for a couple, particularly on hulls retrofitted with electric winches, though the long mizzen boom on yawl-rigged versions can make furling the aftersail a stretch for shorter crews.
Interior Comfort & Variations
Consistent with the builder’s reputation for "Maine-built" excellence, the interior of the Hinckley 48 is a masterclass in traditional joinery. The standard layout features a two-stateroom, two-head configuration that was remarkably spacious for its era. High-authority sources like Maine Maritime Academy, which has documented specific hulls like Whisper, describe interiors finished in gloss-varnished birch, mahogany, or teak, with hand-rubbed oil-finished cabin soles.
The forward cabin typically offers a V-berth with a private head, while the main salon includes a U-shaped dinette to port and a pilot berth to starboard. A key variation in the 48 series is the engine placement; unlike many modern yachts where the engine sits under the companionway, the 48 often features a bilge-mounted engine. While this keeps the weight low and central, it complicates routine maintenance. Most hulls were built as yawls to appeal to the offshore racing and cruising tastes of the 1960s, but at least two examples were completed as sloops, offering a simpler rig for coastal sailors.
Popular Mentions & Media
While the 48 did not reach the same level of ubiquity as the Bermuda 40, specific hulls have gained notoriety in the racing circuit. The yacht Whisper is well-known in the New England sailing community for its successful campaigns in the Doublehanded Division of the Newport Bermuda Race and the Marblehead to Halifax Ocean Race. These performances underscored the design’s ability to remain competitive in "corrected time" offshore events decades after its initial launch.
Known Issues & Buyer’s Checklist
Prospective buyers should approach a Hinckley 48 with a focus on structural longevity and system age. High-signal technical areas for inspection include:
- Teak Decks: Many 48s were built with teak-over-fiberglass decks. After 50+ years, these are often at the end of their lifespan. Replacement is a significant capital expense, often exceeding the boat's market value in labor alone.
- Centerboard Mechanism: The bronze centerboard is operated by a worm gear and stainless steel cable. Owners frequently report that the trunk can accumulate marine growth or that the cable requires replacement to prevent the board from jamming.
- Engine Access: Because the engine is buried in the bilge, checking fluids or changing belts requires physical agility. Buyers should inspect the bilge area for signs of oil or coolant leaks that may have gone unnoticed due to poor visibility.
- Deck Core: While Hinckley used robust laminates, the balsa-cored decks of this era are prone to moisture intrusion around stanchion bases and chainplates if not re-bedded regularly.
Community & Resources
The primary hub for owners is The Hinckley Club, an independent organization that serves as the official alumni association for the builder's family and enthusiasts. The club provides a technical forum where owners share specific restoration advice on Tripp-era designs. Additionally, the Hinckley Yachts service yards in Maine and Florida remain a vital resource for original blueprints and specialized refit work.
The Verdict
The Hinckley 48 is a "sailor’s sailboat," built for those who value heritage, heavy-weather security, and the unmatched aesthetics of a classic Bill Tripp design. It is a vessel of uncompromising quality that requires a dedicated owner willing to maintain its extensive brightwork and aging systems.
Pros:
- Exquisite Maine craftsmanship and high resale value.
- Shallow draft versatility via the keel-centerboard design.
- Exceptional heavy-weather motion and offshore stability.
Cons:
- Sluggish performance in light air (under 12 knots).
- Difficult engine access for DIY maintenance.
- High maintenance costs associated with teak decks and varnish.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Centerboard
- Rudder
- 1x —
- Ballast
- 10600 lbs (Lead)
- Displacement
- 36000 lbs
- Water Capacity
- 250 gal
- Fuel Capacity
- 100 gal
Dimensions
- Length Overall (LOA)
- 48.25 ft
- Waterline Length (LWL)
- 34.17 ft
- Beam
- 13 ft
- Draft
- 11.75 ft
- Max Headroom
- 6.75 ft
- Air Draft
- -
Rig & Sails
- Rig Type
- Masthead Sloop
- P (Main Luff)
- 50.1 ft
- E (Main Foot)
- 20.1 ft
- I (Foretriangle Height)
- 56.4 ft
- J (Foretriangle Base)
- 18.2 ft
- Forestay Length (est)
- 59.26 ft
- Sail Area
- 1017 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 14.92
- Ballast / Displacement Ratio
- 29.44
- Displacement / Length Ratio (D/L) Ratio
- 402.83
- Comfort Ratio
- 47.6
- Capsize Screening Formula
- 1.58
- Hull Speed
- 7.83 kn