The Austral 20 stands as a foundational pillar of the Australian trailer sailer movement. Launched in 1976 by Adrian and Sue Keough of Austral Yachts, this 20-foot vessel was designed to bridge the gap between the portability of a dinghy and the blue-water aspirations of a fixed-keel yacht. Its impact on the regional marine industry was solidified in 1979 when it received the prestigious Australian Design Award, a testament to its innovative balance of safety, performance, and volume. Over a production run that saw more than 250 hulls launched, the Austral 20 became a ubiquitous sight in Australian waterways, from the gusty reaches of Port Phillip Bay to the sheltered inlets of the Whitsundays. While the builder eventually moved toward larger performance yachts like the Clubman 8 and the Farr 42, the Austral 20 remains the brand's most culturally significant contribution to grassroots sailing.
Austral 20 Information, Review, Specs
- Make
- Austral
- Model
- 20
- Builder
- Austral Yachts
- Designer
- —
- Number Built
- 240
- Production Year(s)
- 1973 - 1997
Sailing Performance & Handling
The Austral 20 is characterized by its forgiving nature and robust stability, largely due to its cast-iron swing keel. This ballasted foil allows the boat to maintain a stiff profile in a breeze, a trait often lacking in lighter, unballasted centerboarders of the same era. While it is not a "skiff-style" trailer sailer, it possesses a respectable turn of speed in light-to-moderate air, thanks to a generous masthead sloop rig.
The handling is noted for being predictable; the boat tracks well with a balanced helm, provided the sail plan is reefed appropriately as the wind rises above 15 knots. Because the keel retracts fully into the hull, the boat is exceptionally capable in shoal draft conditions, allowing owners to "nose up" to beaches—a defining characteristic of the Australian cruising lifestyle. However, sailors should note that like many swing-keel designs of the 1970s, there is a slight mechanical "clunk" inherent in the trunk if the pivot bolt is not shimmed correctly, though this does not typically impact the vessel's tracking or sea-kindliness.
Interior Comfort & Variations
For a 20-foot vessel, the Austral 20 offers an interior that feels surprisingly commodious, primarily due to the "pop-top" deck design. This feature allows the cabin roof to be raised while at anchor, providing essential standing headroom that transforms a cramped cabin into a functional living space. The standard layout includes a V-berth forward, which is best suited for two children or one adult, and two generous quarter berths that extend aft under the cockpit seats.
The central living area features a compact galley, usually equipped with a two-burner metho stove and a small sink. Storage is tucked beneath the bunks and in side pockets, optimized for weekend trips rather than extended voyaging. Throughout its production, the interior remained largely consistent, though later models saw improvements in the quality of the fiberglass moldings and the integration of the interior liner. While the Austral 20 does not have a "sibling" built on the exact same hull, it shares a design DNA with the larger Austral 24, which expanded on the same "pop-top" cruising philosophy.
Known Issues & Buyer’s Checklist
Prospective buyers should approach an Austral 20 with a focus on the mechanical integrity of its lifting components and the age of its fiberglass laminate.
- Swing Keel and Pivot Bolt: The cast-iron keel is prone to surface rust if the protective epoxy coating has failed. More critically, the pivot bolt and the lifting cable (and its winch) must be inspected for corrosion or "bird-caging." A failure here can result in the keel becoming jammed or, in extreme cases, damaging the trunk.
- Deck Core Integrity: Like many GRP boats of this vintage, the deck may utilize a balsa or plywood core. Use a plastic hammer to "tap-test" around the mast step and chainplates to check for the dull thud indicative of moisture ingress and core delamination.
- Pop-Top Seals: The gaskets and support struts for the pop-top roof are common wear items. Check for signs of water leakage around the seal, which can lead to mildew in the interior cushions.
- Transom Reinforcement: If the boat has been fitted with a heavy modern four-stroke outboard, inspect the transom for stress cracks. The original design was intended for lighter two-stroke engines.
Community & Resources
The primary hub for technical data and historical records is the Austral Association, which is integrated into the manufacturer's legacy web presence. This association serves as a repository for original brochures and provides a connection point for owners seeking advice on restorations and specific hardware replacements.
The Verdict
The Austral 20 remains one of the most practical entry points into the world of overnight sailing. Its combination of award-winning design and rugged construction makes it a reliable choice for families and solo sailors alike.
Pros
- Ease of Trailering: Fits comfortably on a single-axle trailer and can be towed by most mid-sized SUVs.
- Shallow Draft: The fully retracting keel allows for beaching and exploring thin water.
- Standing Headroom: The pop-top design provides comfort levels usually reserved for much larger yachts.
Cons
- Maintenance Intensive: The swing keel mechanism requires regular underwater inspection and servicing.
- Age: Most units now require updates to standing rigging and electrical systems to remain seaworthy.
- Weight: It is heavier than modern "sports" trailer sailers, making it slower to launch and retrieve single-handedly.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Wing
- Rudder
- 1x —
- Ballast
- 2094 lbs
- Displacement
- 3086 lbs
- Water Capacity
- -
- Fuel Capacity
- -
Dimensions
- Length Overall (LOA)
- 20.01 ft
- Waterline Length (LWL)
- -
- Beam
- 7.68 ft
- Draft
- 5.02 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Masthead Sloop
- P (Main Luff)
- -
- E (Main Foot)
- -
- I (Foretriangle Height)
- -
- J (Foretriangle Base)
- -
- Forestay Length (est)
- -
- Sail Area
- 182 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 13.74
- Ballast / Displacement Ratio
- 67.85
- Displacement / Length Ratio (D/L) Ratio
- —
- Comfort Ratio
- —
- Capsize Screening Formula
- 2.11
- Hull Speed
- — kn