Detailed sailboat specifications and datasheets since 2015
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Océanis 390 Wing keel

Sailboat specifications

The Océanis 390 is a 37’2” (11.34m) cruising sailboat designed by Philippe Briand (France). She was built between 1987 and 1993 by Bénéteau (France) with 552 hulls completed. 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 Océanis 390 is as well listed, on, in Fin keel version (see all the versions compared).

Océanis 390's main features

Océanis 390
Wing keel
Hull type
Offshore cruising sailboat
Sailboat builder
Sailboat designer
Sailboat range
GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Sandwich balsa fiberglass polyester
Number of hulls built
First built hull
Last built hull
Keel : wing keel
Single helm wheel
Single spade rudder
Former French navigation category
Standard public price ex. VAT (indicative only)

Océanis 390's main dimensions

Overall length
38’ 2”11.65 m
Hull length
37’ 2”11.34 m
Waterline length
33’ 4”10.15 m
Beam (width)
12’ 10”3.9 m
4’ 8”1.42 m
Mast height from DWL
72’ 2”22 m
Light displacement (MLC)
14330 lb6500 kg
Ballast weight
5181 lb2350 kg
French customs tonnage
14.75 Tx

Océanis 390's rig and sails

Upwind sail area
802 ft²74.5 m²
Mainsail area
291 ft²27 m²
Genoa area
511 ft²47.5 m²
Rigging type
Sloop Marconi masthead
Mast configuration
Deck stepped mast
Rotating spars
Number of levels of spreaders
Spreaders angle
Spars construction
Aluminum spars
Standing rigging
1x19 strand wire

Océanis 390'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.
230 ft²/T21.39 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.
36 %
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.
7.73 knots

Océanis 390's auxiliary engine

1 inboard engine
Engine(s) power (min./max.)
28 HP / 50 HP
Fuel type
Fuel tank capacity
46.2 gal175 liters

Océanis 390's accommodations and layout

Closed aft cockpit
Cabin(s) (min./max.)
2 / 3
Berth(s) (min./max.)
4 / 8
Freshwater tank capacity
169.1 gal640 liters
Fridge/ice-box capacity
31.7 gal120 liters
Boiler capacity
11.1 gal42 liters
Maximum headroom
6’ 8”2.05 m
Galley headroom
6’ 1”1.86 m
Head headroom
6’ 1”1.87 m

Océanis 390's saloon

Maximum headroom
6’ 5”1.95 m

Océanis 390's fore cabin

Maximum headroom
6’ 1”1.85 m
Berth length
7’ 6”2.3 m
Berth width
5’ 11”1.8 m

Océanis 390's aft cabin

Maximum headroom
6’ 2”1.88 m
Berth length
6’ 5”1.95 m
Berth width
5’ 8”1.75 m
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