The UFO 34 stands as one of the most respected examples of the IOR (International Offshore Rule) era, blending a pedigree of competitive racing with the robust construction standards of Landamores Yacht Builders. Designed by the renowned naval architecture firm Holman & Pye in the early 1970s, the UFO 34 was conceived as a 3/4-tonner that could excel in offshore racing while remaining manageable for a spirited cruising family. While Landamores was the primary builder, known for their meticulous attention to detail and high-spec finishes as noted in their official heritage records, the hull was also made available to other yards and home builders through Colvic Craft, leading to a variety of interior finishes found on the secondary market today. The model followed the success of the smaller UFO 31 and eventually paved the way for larger iterations like the UFO 43, cementing the UFO series as a staple of British yachting history.
UFO 34 Information, Review, Specs

- Make
- UFO
- Model
- 34
- Builder
- Colvic Craft
- Designer
- Holman & Pye
- Number Built
- 150
- Production Year(s)
- 1973 - ??
Sailing Performance & Handling
The UFO 34 is characterized by the classic IOR "tumblehome" hull shape, which provides significant initial stability and a powerful feel when reaching or beating into a breeze. With a displacement-to-length ratio that leans toward the heavier side of the cruiser-racer spectrum, the boat is celebrated for its sea-kindliness and ability to maintain momentum in a chop. Owners often describe the handling as "stiff," a result of its high ballast ratio—typically around 40%—which allows the vessel to carry a full press of sail longer than many modern, lighter-displacement equivalents.
On the helm, the UFO 34 is responsive but demands attention due to its skeg-hung rudder and deep fin keel. According to technical assessments found in Yachting Monthly, the boat excels upwind, tacking through tight angles and maintaining a steady groove. Downwind, like many yachts of its generation with pinched sterns, it can become lively in a following sea, requiring an active hand on the tiller or wheel to prevent rhythmic rolling. However, its reputation for safety is peerless; the UFO 34 became a legend after the 1979 Fastnet Race, where the UFO 34 UFO IV won its class and several other sister ships successfully weathered the extreme conditions that claimed many other vessels.
Interior Comfort & Variations
The interior of the UFO 34 reflects the transition from Spartan racing machines to comfortable offshore cruisers. Because Landamores provided high-end bespoke joinery, yachts fully fitted by their yard often feature rich teak or mahogany finishes that have aged exceptionally well. The standard layout typically accommodates six to seven berths: a double V-berth in the forward cabin, a convertible dinette in the saloon, and two significant pilot berths or quarter berths aft, which were a hallmark of IOR designs to keep the crew's weight concentrated near the center of the boat during races.
Headroom is generous for a boat of this vintage, usually exceeding six feet in the main saloon. The galley is generally located to starboard, featuring a deep sink and often a gimballed stove, designed for use while underway. Variations are common, particularly in the "Mark II" versions or those finished by Colvic; some owners opted for a more open-plan saloon, while others prioritized a larger navigation station to accommodate the bulky electronic suites of the 1980s. The cabin's ventilation and light are typically provided by traditional deck hatches and fixed portlights, which contribute to a cozy, secure "ship-like" atmosphere below deck.
Popular Mentions & Media
The UFO 34’s cultural footprint is inextricably linked to the 1979 Fastnet Race. The performance of the class during that tragic event is frequently cited in maritime literature as a benchmark for small-yacht seaworthiness. The vessel has been the subject of numerous retrospective reviews in British sailing media, often featured as a "classic choice" for sailors looking to cross oceans on a modest budget. Its design lineage from Holman & Pye also earns it a place in the discussion of the most influential British yacht designs of the 20th century.
Known Issues & Buyer’s Checklist
Prospective buyers should approach the UFO 34 with a technical eye toward its age and construction methods:
- Osmosis: As with many GRP hulls from the 1970s and 80s, osmotic blistering is a known factor. While rarely structural, it often requires a professional peel and epoxy treatment if not previously addressed.
- Deck Core Sogginess: The decks are often balsa-cored. Over decades, hardware seals (cleats, stanchions) can fail, allowing water to ingress and rot the core. Soft spots around the mast step or side decks are critical inspection points.
- Chainplates and Rigging: The UFO 34 carries a high-aspect masthead rig that puts significant tension on the chainplates. These should be inspected for "crevice corrosion" where they pass through the deck.
- Engine Service Life: Many original units were fitted with Bukh or Volvo Penta diesels. While reliable, these may be reaching the end of their service life, and buyers should check for exhaust smoke, ease of cold starting, and saildrive seal integrity (if applicable, though most are shaft drive).
- Rudder Bushings: The skeg-hung rudder is robust, but the bushings can wear, leading to "play" in the helm that can be felt as a vibration or knocking when sailing.
Community & Resources
Owners and enthusiasts are supported by the Holman & Pye Association, which maintains technical records and historical data for the various models designed by the firm. While there is no longer a single dedicated manufacturer website for the UFO series, the community is active within general classic yacht forums where technical drawings and refit advice are frequently shared among members.
The Verdict
The UFO 34 remains a premier choice for the sailor who values substance and history over modern "condo-maran" volume. It is a true sailor's boat—rewarding to tune, safe in a gale, and built with a level of craftsmanship rarely seen in contemporary production builds.
Pros:
- Exceptional seaworthiness with a proven track record in extreme conditions.
- Strong upwind performance and high stability.
- High-quality interior joinery (especially Landamores-built examples).
- Affordable entry point into serious offshore cruising.
Cons:
- Aged GRP requires diligent surveying for osmosis and core issues.
- The narrow stern limits cockpit space and aft cabin volume compared to modern designs.
- Large overlapping genoas can be physically demanding for a small crew.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Fin
- Rudder
- 1x Spade
- Ballast
- 5510 lbs
- Displacement
- 10214 lbs
- Water Capacity
- -
- Fuel Capacity
- -
Dimensions
- Length Overall (LOA)
- 33.33 ft
- Waterline Length (LWL)
- 28.08 ft
- Beam
- 11 ft
- Draft
- 5.5 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Masthead Sloop
- P (Main Luff)
- 38.29 ft
- E (Main Foot)
- 10.6 ft
- I (Foretriangle Height)
- 43.6 ft
- J (Foretriangle Base)
- 14.14 ft
- Forestay Length (est)
- 45.84 ft
- Sail Area
- 511 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 17.36
- Ballast / Displacement Ratio
- 53.95
- Displacement / Length Ratio (D/L) Ratio
- 205.95
- Comfort Ratio
- 21.83
- Capsize Screening Formula
- 2.03
- Hull Speed
- 7.1 kn