First 31.7

Elected in 1999 as the Boat of the year, First 31.7 successfully replaces First 300 Spirit. She also uses the Figaro hull but adopts new appendages, including a keel with bulb even deeper than his glorious ancestor.

First 31.7 has a clear objective to be a sporty boat: appendages from racing boat, mast keel stepped... folding propeller and tuff-luff as option. But First 31.7 is also a sound cruising boat with a high coachroof, allowing it a nice inner volume. It is equipped with pressurized water, and even hot water in standard.

Thanks to this versatility the First 31.7 had a significant output: nearly 1,500 units were built. There is also a class association, which makes it possible to race using iso-rating and even as one-design.

See the First 31.7's specifications on

Main Features

ModelFirst 31.7
Sailboat typeCruising-racing monohull
DesignerJean Marie Finot
Pascal Conq
Building years (first/last)1997 / 2010
Number built1500
PredecessorBénéteau First 300 Spirit
SuccessorFirst 30 jk
CE regulationA-6 / B-6 / C-8
ConstructionFiberglass/polyester, monolithic hull, balsa sandwich deck
Appendage typeFin with bulb
Ballast typeCast iron
Rudder bladeSingle under hull rudder
RudderSingle tiller
Main dimensions
Length over all31.5 ft
Hull length31.2 ft
Waterline length28.9 ft
Beam over all10.6 ft
Draft6.2 ft
Mast height45.6 ft
Light displacement8267 lbs
Ballast2260 lbs
French customs tonnage9.36 Tx

Rig and sails

Rig typeFractional Sloop (9/10)
MastKeel stepped mast
Rig materialMast and boom in Aluminum
Standing rigging material1x19 strand wire
Number of rows of spreader2
Spreader anglePushing
Spinnaker typeSymmetrical spinnaker
Upwind sailarea565 ft²
Downwind sailarea1011 ft²
Mainsail area254 ft²
Genoa area311 ft²
Working jib area226 ft²
Jib area205 ft²
Spinnaker area757 ft²

PMainsail hoist measurement (from tack to head)

35.4 ft

EMainsail foot measurement (from tack to clew)

12.8 ft

IFore triangle height (from mast foot to fore stay attachement)

38.9 ft

JFore triangle base (from mast foot to bottom of forestay)

11.3 ft

SPLSpinnaker pole lenght

11.5 ft


Ballast ratio27.3 %
Upwind sailarea / displacement150.7 ft²/Ton
Downwind sailarea / displacement269.7 ft²/Ton
HN (French rating)21.0

Auxiliary engine

Type1 x 3YM20
Engine power1 x 21 hp
Fuel capacity7.9 gal
Fuel typeDiesel
Transmission typeSaildrive
Propeller typeTwo-blade folding propeller


Number of cabin2
Number of berth6
Number of shower room1
Fresh water capacity42.3 gal
Black water capacity13.2 gal
Fridge/cooler capacity18.5 gal
Headroom shower room5.9 ft
Headroom6.0 ft
Fore cabin
Headroom5.7 ft
Length of berth6.6 ft
Width of berth*4.6 ft
Aft cabin
Headroom5.9 ft
Length of berth6.6 ft
Width of berth*4.9 ft
*Maximal width : at head

Based on specification2009

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