Detailed sailboat specifications and datasheets since 2015
MetricSI (m)
Imperial & Metricboth
ImperialIMP (ft)

First 435 (Deep draft) vs First 435 (Shoal draft) vs First 435 (Keel and centerboard)

Main featuresFirst 435 Deep draftFirst 435 Shoal draftFirst 435 Keel and centerboard
Model
First 435
First 435
First 435
Version
Deep draft
Shoal draft
Keel and centerboard
Hull type
Monohull
Monohull
Monohull
Category
Offshore cruiser-racer sailboat
Offshore cruiser-racer sailboat
Offshore cruiser-racer sailboat
Sailboat builder
Bénéteau
Bénéteau
Bénéteau
Sailboat designer
Sailboat range
Country
France
France
France
Construction
GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Sandwich balsa fiberglass polyester
GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Sandwich balsa fiberglass polyester
GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Sandwich balsa fiberglass polyester
First built hull
1984
1984
1984
Last built hull
Discontinued
Discontinued
Discontinued
Appendages
Keel : fin without bulb
Keel : fin without bulb
Centerboard : pivoting centerboard in the keel
Helm
Single helm wheel
Single helm wheel
Single helm wheel
Rudder
Single spade rudder
Single spade rudder
Single spade rudder
Unsinkable
No
No
No
Trailerable
No
No
No
Former French navigation category
1
1
1
 
Main dimensionsFirst 435 Deep draftFirst 435 Shoal draftFirst 435 Keel and centerboard
Overall length
44’ 7”13.6 m
44’ 7”13.6 m
44’ 7”13.6 m
Hull length
44’13.4 m
44’13.4 m
44’13.4 m
Waterline length
36’ 1”11 m
36’ 1”11 m
36’ 1”11 m
Beam (width)
13’ 4”4.05 m
13’ 4”4.05 m
13’ 4”4.05 m
Draft
7’ 6”2.3 m
6’ 2”1.9 m
10’ 6”3.2 m
Draft when appendages up
5’ 7”1.7 m
Light displacement (MLC)
23810 lb10800 kg
23810 lb10800 kg
23810 lb10800 kg
Ballast weight
9259 lb4200 kg
9259 lb4200 kg
9259 lb4200 kg
 
Rig and sailsFirst 435 Deep draftFirst 435 Shoal draftFirst 435 Keel and centerboard
Upwind sail area
1132 ft²105.2 m²
1132 ft²105.2 m²
1132 ft²105.2 m²
Downwind sail area
1993 ft²185.2 m²
1993 ft²185.2 m²
1993 ft²185.2 m²
Mainsail area
422 ft²39.2 m²
422 ft²39.2 m²
422 ft²39.2 m²
Genoa area
710 ft²66 m²
710 ft²66 m²
710 ft²66 m²
Solent area
481 ft²44.73 m²
481 ft²44.73 m²
481 ft²44.73 m²
Jib area
347 ft²32.2 m²
347 ft²32.2 m²
347 ft²32.2 m²
Stormjib area
154 ft²14.3 m²
154 ft²14.3 m²
154 ft²14.3 m²
Symmetric spinnaker area
1572 ft²146 m²
1572 ft²146 m²
1572 ft²146 m²
Rigging type
Sloop Marconi masthead
Sloop Marconi masthead
Sloop Marconi masthead
Mast configuration
Keel stepped mast
Keel stepped mast
Keel stepped mast
Rotating spars
No
No
No
Number of levels of spreaders
2
2
2
Spreaders angle
0 °
0 °
0 °
Spars construction
Aluminum spars
Aluminum spars
Aluminum spars
Standing rigging
1x19 strand wire
1x19 strand wire
1x19 strand wire
 
PerformancesFirst 435 Deep draftFirst 435 Shoal draftFirst 435 Keel and centerboard
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.
232 ft²/T21.53 m²/T
232 ft²/T21.53 m²/T
232 ft²/T21.53 m²/T
Downwind 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.
408 ft²/T37.9 m²/T
408 ft²/T37.9 m²/T
408 ft²/T37.9 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.
230
230
230
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 %
39 %
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.
8.05 knots
8.05 knots
8.05 knots
 
Auxiliary engineFirst 435 Deep draftFirst 435 Shoal draftFirst 435 Keel and centerboard
Engine(s)
1 inboard engine
1 inboard engine
1 inboard engine
Fuel type
Diesel
Diesel
Diesel
Fuel tank capacity
51.5 gal195 liters
51.5 gal195 liters
51.5 gal195 liters
 
Accommodations and layoutFirst 435 Deep draftFirst 435 Shoal draftFirst 435 Keel and centerboard
Cockpit
Closed aft cockpit
Closed aft cockpit
Closed aft cockpit
Cabin(s) (min./max.)
2 / 3
2 / 3
2 / 3
Berth(s) (min./max.)
4 / 9
4 / 9
4 / 9
Head(s) (min./max.)
2 / 3
2 / 3
2 / 3
Freshwater tank capacity
126.8 gal480 liters
126.8 gal480 liters
126.8 gal480 liters
Boiler capacity
11.1 gal42 liters
11.1 gal42 liters
11.1 gal42 liters
Maximum headroom
6’ 5”1.95 m
6’ 5”1.95 m
6’ 5”1.95 m
 
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