Passport 51 Information, Review, Specs

Make
Passport
Model
51
Builder
Passport Yachts
Designer
Stan Huntingford
Number Built
Production Year(s)
1982 - ??

The Passport 51 represents a refined evolution of the Stan Huntingford-designed Passport 47, a vessel widely regarded as a benchmark for the "Taiwanese Queen" era of high-end semi-custom boatbuilding. Introduced to provide additional waterline and stowage for serious offshore passage-making, the 51 was primarily constructed at the King Dragon yard in Taiwan. This model belongs to a lineage of heavy-displacement cruisers that prioritize structural integrity and comfort in a seaway over light-air speed. As part of the transition from the earlier 47-foot hull, the 51 often features an extended transom, which provides a more functional boarding area and increased lazarette storage, addressing the needs of long-term cruisers who require both equipment capacity and easy water access.

InfoView listings

Sailing Performance & Handling

Under sail, the Passport 51 is a quintessential blue-water cruiser, characterized by its heavy displacement and a high comfort ratio. The hull features a modified fin keel with a skeg-hung rudder, a configuration that offers a balance between directional stability for long offshore legs and enough maneuverability for tight harbor handling. While the boat is not a light-wind performer, it excels when the breeze freshens. Owners frequently report that the vessel feels "planted" in 20-plus knots of wind, where its momentum and high ballast-to-displacement ratio allow it to punch through head seas without the pounding common in flatter-bottomed modern designs.

The rig is almost exclusively a cutter configuration, allowing for various sail combinations that make the boat easy to manage for short-handed couples. By shortening the headsail and relying on the staysail, the center of effort remains low and balanced, minimizing heel. While technical ratios like the Sail Area/Displacement (SA/D) lean toward the conservative side, this is an intentional design choice by Huntingford to ensure the boat remains manageable and safe in foul weather. The heavy displacement/length ratio (D/L) ensures a motion that is predictable and easy on the crew, a trait emphasized in editorial retrospectives by Cruising World when discussing the 47/51 series' ability to handle the rigors of the "coconut milk run" and beyond.

Interior Comfort & Variations

The interior of the Passport 51 is a showcase of the era's peak Taiwanese craftsmanship, dominated by hand-rubbed teak or cherry joinery. Because Passport Yachts operated as a semi-custom builder, few 51s are identical. Most layouts revolve around a three-cabin, two-head configuration, with a prominent master suite located aft in the center-cockpit versions. The aft cabin typically features a queen-sized island berth and extensive hanging lockers, providing a level of luxury rarely found in performance-oriented boats of the same length.

The galley is usually linear or U-shaped, located in the walkthrough to the aft cabin, providing excellent security for the cook while underway. Solid Corian or granite surfaces and deep stainless steel sinks are common upgrades found in this model. The 51’s extra length compared to its sibling, the Passport 47, is often felt most in the salon and the increased capacity of the tankage hidden beneath the floorboards. Headroom is generous throughout, often exceeding 6'4", catering to a global market of taller cruisers. The transition to the China-based Xiamen Hansheng yard for later Passport models eventually shifted the interior aesthetic, but the 51 remains a classic example of the warm, traditional woodwork that defined the brand’s early success.

Known Issues & Buyer’s Checklist

Prospective buyers of a Passport 51 should approach the survey with a focus on the common "legacy" issues associated with high-quality Taiwanese builds from the 1980s and 90s.

  • Chainplates: The stainless steel chainplates are often glassed into the hull or hidden behind cabinetry. Given the age of these vessels, crevice corrosion is a significant concern. Inspectors should look for signs of "bleeding" or weeping on the hull exterior near the chainplate exits.
  • Fuel and Water Tanks: Many Passport 51s were built with black iron fuel tanks and stainless steel water tanks. Over time, condensation can cause iron tanks to corrode from the top down. Replacement is a major undertaking that may involve cutting the cabin sole.
  • Teak Deck Longevity: If the vessel is equipped with the original screw-down teak decks, the primary concern is the thousands of penetrations into the sub-deck. Recaulking or full removal and glassing over is a common and expensive maintenance cycle for this model.
  • Porthole Seals: The bronze or stainless steel opening ports are robust but often require gasket replacement and re-bedding to prevent leaks that can damage the high-value interior woodwork.

Community & Resources

Owners of the Passport 51 are supported by a tight-knit community of offshore enthusiasts. The most prominent resource is the Passport Owners Association, a group that maintains a technical repository of manuals, wiring diagrams, and modification logs. While the builder now focuses on newer designs like the Vista series, the legacy support for the 40, 47, and 51 models remains strong due to the high percentage of these boats still actively cruising.

The Verdict

The Passport 51 is a superlative choice for the sailor who values safety, craftsmanship, and a comfortable motion over raw speed. It is a "destination boat"—designed to get its crew across oceans in a state of relative luxury and security.

Pros:

  • Exquisite interior joinery and semi-custom finish.
  • Exceptional heavy-weather tracking and sea-kindliness.
  • High tankage capacity and storage for long-range self-sufficiency.
  • Strong resale value due to the brand's premium reputation.

Cons:

  • Maintenance-intensive exterior teak (on many hulls).
  • Heavy displacement leads to sluggish performance in light air (under 8 knots).
  • Access to tanks and chainplates can be difficult due to robust interior construction.

Measurements

Construction & Hull

Hull Material
Fiberglass (PVC Foam Core)
Deck Material
Fiberglass (Balsa Core)
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x Skeg-Hung
Ballast
13000 lbs
Displacement
38000 lbs
Water Capacity
230 gal
Fuel Capacity
190 gal

Dimensions

Length Overall (LOA)
51 ft
Waterline Length (LWL)
43.25 ft
Beam
13.8 ft
Draft
7.17 ft
Max Headroom
-
Air Draft
66 ft
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Ketch
P (Main Luff)
54 ft
E (Main Foot)
18 ft
I (Foretriangle Height)
60 ft
J (Foretriangle Base)
21 ft
Forestay Length (est)
63.57 ft
Sail Area
1116 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
15.79
Ballast / Displacement Ratio
34.21
Displacement / Length Ratio (D/L) Ratio
209.69
Comfort Ratio
39.09
Capsize Screening Formula
1.64
Hull Speed
8.81 kn