Southerly 420

Main

Appendages
Lifting keel : swing keel
Category
Offshore cruising sailboat
Construction
GRP (glass reinforced polyester): Single skin bottom, sandwich sides and deck: fiberglass vinylester vacuum bagged
Country
United Kingdom
EC design category
A
First built hull
2010
Helm
Single helm wheel
Hull type
Monohull
Last built hull
2017
Model
Southerly 420
Rudder
Twin spade rudders
Sailboat builder
Northshore
Sailboat designer
Humphreys Yacht Design
Sailboat range
Southerly
Standard public price ex. VAT (indicative only)
About 459 000 € (2017)
Trailerable
No
Unsinkable
No

Dimensions

Ballast weight
3530.0
Beam
4.03
Displacement
11800.0
Draft
2.72
Draft when appendages up
0.84
Hull length
12.86
Light displacement (MLC)
11800.0
Mast height from DWL
18.73
Max Draft
2.72
Min Draft
0.84
Overall length
12.86
Waterline length
11.11

Sails

Downwind sail area
112.0
Gennaker area
69.0
Jib area
30.0
Mainsail area
43.0
Mast configuration
Deck stepped mast
Number of levels of spreaders
2
Rigging type
Sloop Marconi 9/10
Rotating spars
No
Spars construction
Aluminum spars
Spreaders angle
Swept-back
Standing rigging
1x19 strand wire
Total area
72.93
Upwind sail area
73.0

Engine

Engine(s)
1 inboard engine
Engine(s) power
53.0
Engines amount
1
Fuel tank capacity
288.0
Fuel type
Diesel
Make
Yanmar

Performance

Ballast ratio
30.0
Capsize Screening Formula
1.79
Comfort Ratio
33.83
Critical hull speed
8.09
Displacement-length ratio (DLR)
244.0
Downwind sail area to displacement
21.61
Upwind sail area to displacement
14.08

Accomodation

Berth(s)
4
Berth(s) max
6
Cabin(s)
2
Cockpit
Center cockpit
Freshwater tank capacity
545
Head(s)
2

Saloon

Fore_cabin

Aft_cabin

The Southerly 420 is a sailing yacht produced by the British boatbuilder, Northshore Yachts. It is a luxurious and versatile cruising yacht designed for bluewater sailing and long-distance voyages. Here are some key features and characteristics of the Southerly 420:

1. Design: The Southerly 420 features a modern and sleek design, with a raised deck saloon providing panoramic views from the interior. It has a spacious cockpit and a wide transom for easy access to the water.

2. Variable Draft: One of the standout features of the Southerly 420 is its variable draft system. It is equipped with a swing keel that can be raised or lowered hydraulically, allowing the draft to be adjusted from 2'9" (0.84m) to 9'2" (2.79m). This feature enables the yacht to access shallow anchorages and navigate in areas with limited depth.

3. Performance: The yacht is designed for excellent performance both under sail and power. It has a powerful sail plan with a self-tacking jib and a large mainsail, providing good speed and maneuverability. The hull shape and keel design contribute to stability and a comfortable ride.

4. Interior: The Southerly 420 offers a spacious and well-appointed interior. The raised deck saloon provides ample natural light and panoramic views, creating a bright and airy living space. The layout typically includes a large saloon, a well-equipped galley, multiple cabins, and heads (bathrooms).

5. Accommodation: The yacht can accommodate up to six people in comfort. The master cabin is usually located forward and features a double berth, storage space, and an en-suite bathroom. There are additional cabins, often twin cabins, and a second bathroom located aft.

6. Construction: The Southerly 420 is built using modern construction techniques and high-quality materials. The hull is typically constructed from a composite of fiberglass and epoxy resin, providing strength and durability. The yacht is designed to be seaworthy and capable of handling various weather conditions.

7. Equipment and Systems: The yacht is equipped with a range of systems and equipment to ensure comfort and safety on board. This includes a comprehensive navigation system, a generator, heating and air conditioning, a watermaker, and various other amenities.

Overall, the Southerly 420 is a well-designed and versatile cruising yacht that offers a combination of performance, comfort, and flexibility. Its variable draft system makes it particularly suitable for exploring shallow waters and coastal cruising.

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