Detailed sailboat specifications and datasheets since 2015
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Catalina 400 MkII Wing keel

Sailboat specifications

The Catalina 400 MkII is a 40’6” (12.34m) cruising sailboat designed by Gerry Douglas (United States). She was built since 2000 (and now discontinued) by Catalina Yachts (United States). The Wing keel version is offered with a short keel fitted with large winglets. This configuration provides an interesting draft / low center of gravity / upwind performance trade-off.

The Catalina 400 MkII is as well listed, on, in Fin keel version (see all the versions compared).

Catalina 400 MkII's main features

Catalina 400 MkII
Wing keel
Hull type
Offshore cruising sailboat
Sailboat builder
Sailboat designer
United States
Hull and deck: GRP (glass reinforced polyester)
First built hull
Last built hull
Keel : wing keel
Twin helm wheels
Single spade rudder
EC design category
 iThe CE design category indicates the ability to cope with certain weather conditions (the sailboat is designed for these conditions)

A: Wind < force 9, Waves < 10m
B: Wind < force 8, Waves < 8m
C: Wind < force 6, Waves < 4m
D: Wind < force 4, Waves < 0,5m
Standard public price ex. VAT (indicative only)

Catalina 400 MkII's main dimensions

Overall length
41’ 6”12.65 m
Hull length
40’ 6”12.34 m
Waterline length
36’ 6”11.11 m
Beam (width)
13’ 6”4.11 m
5’1.52 m
Mast height from DWL
58’17.68 m
Light displacement (MLC)
20501 lb9299 kg
Ballast weight
8001 lb3629 kg

Catalina 400 MkII's rig and sails

Upwind sail area
808 ft²75.06 m²
Mainsail area
400 ft²37.16 m²
Genoa area
408 ft²37.9 m²
 iFore triangle height (from mast foot to fore stay top attachment)
52’ 8”16.05 m
 iFore triangle base (from mast foot to bottom of forestay)
15’ 6”4.72 m
 iMainsail hoist measurement (from tack to head)
47’14.33 m
 iMainsail foot measurement (from tack to clew)
17’5.18 m
Rigging type
Sloop Marconi masthead
Mast configuration
Deck stepped mast
Rotating spars
Number of levels of spreaders
Spreaders angle
0 °
Spars construction
Aluminum spars
Standing rigging
1x19 strand wire

Catalina 400 MkII's performances

Upwind sail area to displacement
 iThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds.

The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size.

Upwind: under 18 the ratio indicates a cruise oriented sailboat with limited performances especially in light wind, while over 25 it indicates a fast sailboat.
183 ft²/T16.97 m²/T
Displacement-length ratio (DLR)
 iThe Displacement Length Ratio (DLR) is a figure that points out the boat's weight compared to its waterline length. The DLR is obtained by dividing the boat's displacement in tons by the cube of one one-hundredth of the waterline length (in feet).
The DLR can be used to compare the relative mass of different sailboats no matter what their length:

a DLR less than 180 is indicative of a really light sailboat (race boat made for planning), while a DLR greater than 300 is indicative of a heavy cruising sailboat.
Ballast ratio
 iThe Ballast ratio is an indicator of stability; it is obtained by dividing the boat's displacement by the mass of the ballast. Since the stability depends also of the hull shapes and the position of the center of gravity, only the boats with similar ballast arrangements and hull shapes should be compared.

The higher the ballast ratio is, the greater is the stability.
39 %
Critical hull speed
 iAs a ship moves in the water, it creates standing waves that oppose its movement. This effect increases dramatically the resistance when the boat reaches a speed-length ratio (speed-length ratio is the ratio between the speed in knots and the square root of the waterline length in feet) of about 1.2 (corresponding to a Froude Number of 0.35) . This very sharp rise in resistance, between speed-length ratio of 1.2 to 1.5, is insurmountable for heavy sailboats and so becomes an apparent barrier. This leads to the concept of "hull speed".
The hull speed is obtained by multiplying the square root of the waterline length (in feet) by 1.34.
8.09 knots

Catalina 400 MkII's auxiliary engine

1 inboard engine
Engine(s) power
56 HP
Fuel type
Fuel tank capacity
44.1 gal167 liters

Catalina 400 MkII's accommodations and layout

Closing aft cockpit with opening system
Cabin(s) (min./max.)
2 / 3
Berth(s) (min./max.)
4 / 8
Freshwater tank capacity
86.9 gal329 liters
Holding tank capacity
38.8 gal147 liters
Fridge/ice-box capacity
39.6 gal150 liters
Boiler capacity
19.8 gal75 liters
Head headroom
6’ 11”2.11 m
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