NAJAD 400/405

Beta Marine

Sailboat Specifications

Hull Type: Fin w/rudder on partial skeg
Rigging Type: Fractional Sloop
LOA: 12.20 m
LWL: 10.44 m
S.A. (reported): 79.00 m²
Beam: 3.85 m
Displacement: 12,200 kg
Ballast: 4,000 kg
Max Draft: 2.00 m
Construction: FG with ISO polyester
Ballast Type: Lead
First Built: 2003
Last Built: 2009
Builder: Najad Yachts (SWE)
Designer: judel/vrolijk

Auxiliary Power/Tanks (orig. equip.)

Make: Yanmar
Model: 4JH4-E
Type: Diesel
HP: 54
Fuel: 230 L


Water: 550 L
Headroom: 1.97 m

Sailboat Calculations

S.A. / Displ.: 15.22
Bal. / Displ.: 32.79
Disp: / Len: 298.85
Comfort Ratio: 39.43
Capsize Screening Formula: 1.69
Hull Speed: 7.84 kn
Pounds/Inch Immersion: 1,545.65 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

Mast Height from DWL: 17.25 m

Sailboat Links

Designers: Judel/Vrolijk & Co.
Builders: Najad Yachts (SWE)
Associations: Najad Owners Association
Download Boat Record:


Optional shallow draft: 1.8m / 5.9 ft17.25

The N400 was updated and became the N405 between 2006 - 2009. Same hull. Update includes:
A taller rig. Mast above DWL: 18.5 m / 60.7 ft
Deeper draft: 2.1m / 6.89 ft
Shallow draft option: 1.9m / 6.23 ft