The Achilles 9 Metre represents a significant evolution in the lineage of Butler Mouldings Ltd., marking the transition from the slender, racing-oriented lines of the Oliver Lee-designed Achilles 24 to a more robust, voluminous offshore cruiser. Launched in the late 1970s, the Achilles 9 was Chris Butler’s "clean sheet" design, intended to provide a legitimate blue-water platform that could handle the rigors of short-handed, long-distance passage-making while maintaining the brand's reputation for agility. Unlike its smaller predecessors, which often prioritized speed over volume, the Achilles 9 was engineered with a generous 10-foot 4-inch (3.15m) beam, a feature that fundamentally changed the vessel's stability profile and internal capacity. As noted by the Achilles Yacht Owners Association, the model was specifically conceived to offer more substantial accommodation than the Achilles 24 or 840, catering to the growing market of sailors looking for a capable coastal and cross-channel cruiser.
Achilles 9 Information, Review, Specs

- Make
- Achilles
- Model
- 9
- Builder
- Butler Mouldings Ltd.
- Designer
- Chris Butler
- Number Built
- 100
- Production Year(s)
- 1975 - 1984
Sailing Performance & Handling
On the water, the Achilles 9 Metre is characterized by its stiffness and predictable tracking, a direct result of its moderate displacement and well-profiled fin keel. Carrying a masthead sloop rig, the boat is designed to be powered up in light airs but truly finds its stride when the wind increases, showing a high resistance to heeling. The hull’s design incorporates a relatively deep forefoot, which helps mitigate slamming in a head sea—a common complaint in flatter-bottomed performance yachts of the same era.
While it lacks the "dinghy-like" responsiveness of the Achilles 24, the 9 Metre offers a much more secure motion in offshore conditions. Owners often report that the boat feels "bigger" than its 30-foot length, particularly when reaching. Its performance in short-handed configurations is bolstered by a cockpit layout that brings primary controls within easy reach of the helm. The boat’s tracking is aided by a balanced spade rudder, though some later variants or modifications might feature a skeg-mounted arrangement for added protection during long voyages.
Interior Comfort & Variations
The move to a 9-meter hull allowed Butler Mouldings to create an interior that felt truly cavernous compared to the earlier "sit-in" cabins of the 24-foot range. The Achilles 9 typically offers a traditional five-berth layout, featuring a forward V-berth, a convertible settee in the saloon, and a generous quarter berth to starboard. With approximately six feet of standing headroom throughout the main saloon, the vessel caters well to the taller sailor, a demographic often sidelined by the era’s sleeker cruiser-racers.
Woodwork is typically teak or mahogany veneer, reflecting the sturdy, no-nonsense British craftsmanship of the late 70s. The galley is generally positioned to port and is surprisingly functional for a boat of this size, often featuring a two-burner stove and a deep sink. Storage is a high priority in this model; deep lockers behind the settee backs and under the berths are designed for extended provisioning. While the Achilles 840 served as the "middle child" of the range with a more compact interior, the 9 Metre remains the preferred choice for those intending to live aboard for weeks at a time.
Known Issues & Buyer’s Checklist
Prospective buyers should approach the Achilles 9 with an eye for the typical aging signs of British GRP yachts from the late 1970s and 80s.
- Deck Core Integrity: Like many boats of this era, the Achilles 9 uses a balsa or foam sandwich construction for the decks. Check for "springy" areas around stanchion bases and the mast step, which may indicate water ingress and core delamination.
- Keel Bolt Inspection: The fin keel is a substantial casting; while the original construction was robust, the age of these vessels necessitates a close inspection of the keel-to-hull joint and the internal backing plates for signs of weeping or rust.
- Rigging and Chainplates: Given the boat's design for offshore use, the chainplates are under significant load. Check for stress cracks in the gelcoat around the shroud attachment points.
- Engine Service History: Many Achilles 9s were originally fitted with Yanmar or Bukh diesel engines. While these are durable units, parts for older models are becoming more difficult to source, and a poorly maintained engine can be a significant "gotcha" in the purchase price.
Community & Resources
The primary hub for technical data and owner support is the Achilles Yacht Owners Association. This group maintains a repository of original brochures, rigging diagrams, and a collective knowledge base that is invaluable for those undertaking restorations. The community is particularly active in the UK and Northern Europe, where the majority of the hulls were sold.
The Verdict
The Achilles 9 Metre is a quintessential British cruiser that prizes seaworthiness and interior volume over cutting-edge racing speed. It remains a top-tier choice for the budget-conscious sailor who demands a boat capable of crossing the North Sea or the Bay of Biscay in relative comfort.
Pros:
- Exceptional stability and heavy-weather performance.
- Spacious interior with genuine standing headroom and 5+ berths.
- Robust build quality from a respected British yard.
- Strong owner association support.
Cons:
- Heavier handling compared to more modern, light-displacement 30-footers.
- Aged interior woodwork may require significant cosmetic updating.
- Standard GRP maintenance issues (osmosis risks and deck core) are common in older hulls.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Fin
- Rudder
- 1x Skeg-Hung
- Ballast
- 2998 lbs (Iron)
- Displacement
- 7000 lbs
- Water Capacity
- 30 gal
- Fuel Capacity
- 15 gal
Dimensions
- Length Overall (LOA)
- 29.83 ft
- Waterline Length (LWL)
- 25.42 ft
- Beam
- 9 ft
- Draft
- 5.5 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Masthead Sloop
- P (Main Luff)
- 31 ft
- E (Main Foot)
- 9.75 ft
- I (Foretriangle Height)
- 35.33 ft
- J (Foretriangle Base)
- 11.46 ft
- Forestay Length (est)
- 37.14 ft
- Sail Area
- 354 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 15.48
- Ballast / Displacement Ratio
- 42.83
- Displacement / Length Ratio (D/L) Ratio
- 190.25
- Comfort Ratio
- 21.67
- Capsize Screening Formula
- 1.88
- Hull Speed
- 6.76 kn