Seaward 39 Motor Cruiser

Seaward 39 Motor Cruiser

The Seaward 39 is a new design based on the well-proven underwater form of the Seaward Nelson 42 pilot boat hull. Seaward commissioned the Nelson designer TT Boat Designs to create a new superstructure layout that would enable the interior of the hull to be utilised for the needs of the cruising yachtsman. The end result is a vessel that not only provides sleeping accommodation for up to six, but is also amazingly easy to manoeuvre and moor up when there are only two people on board.

The seakindliness and handling of this hull design is second to none, hence her popularity with professional operators.

This specification describes the standard layout and equipment for this model. As with all Seaward boats they are also available semi-custom built, with other layout possibilities and different equipment fitted according to the owner’s wishes.


Length Overall Mtrs. 12.78 inc platform
Beam Mtrs. 3.96
Draft Mtrs. 1.1
Air Draft Mtrs. (excl. Mast) 2.9
Approx Displacement 12.5
Cruising Speed (largest engines) 22
Top Speed (largest engines) 25
Fuel tanks (litres) 1800
Water Tanks
Range (Normal cruising speed)
Design Category A


Round bilge semi-displacement type with flared bow. Varnished teak (or rubber) spray rails and all around 4″ rubber D fendering compliment the purposeful looks of the craft and provide extra protection when going alongside. Standard colour is Blue.

Deck / Superstructure

This is a G.R.P. moulding with substantial gunwales and wide non-slip decks incorporating a bevelled toe rail.  The superstructure has a large vertical flange that overlaps with a similar flange on the hull before being through bolted and laminated to the hull. Standard colour is White.


The Seaward 39 is available with a choice of twin-screw diesel engine options from the Yanmar 8LV, 370 hp to other models from Yanmar and Cummins.
Each engine is independently installed with its own separate fuel tank and start battery. There are emergency back up connections built in – these are described elsewhere.
Everything about the engine installation is designed with safety and security in mind. The large size seacocks are fitted with external gratings to prevent things like plastic bags blocking the water flow. The seacocks are connected to the engines via large filter pots with see through lids. Smaller items of debris and weed that pass through the gratings can be spotted and removed from the pots before they are able to build up and cause a blockage.
The engine cooling water is discharged through the exhaust systems. The exhausts comprise of 5″ flexible hoses connected to Vetus silencers and then up under the side decks before going down to the exhaust outlet pipes. The exhaust outlet pipes exit in the waterline area on the hull side near the transom. The design of the exhaust layout ensures that the transom and boarding platform areas are kept free of exhaust residue and the exhaust gases are not drawn back into the cockpit area when the craft is under way.

Engine controls
Electronic single-lever engine controls are standard.

Electrical System

Two independent banks of twin deep cycle 12-volt batteries are installed. One battery bank is reserved for the port engine starting and some electrical items that are only used when under way, whilst the other battery bank is reserved for the starboard engine and also provides power for all the lighting and domestic equipment that will be used when the craft is in port. This arrangement makes best use of the power available from the engine alternators for recharging. In the event one battery bank is flat when you come to start the engines, the whole system can be instantly put in parallel by a push button switch at the helm console. Immediately both engines are running the push button is released and the battery banks are returned to being independent.

A Victron 2000watt/70amp inverter/charger is available as an option. The system will provide 240 volts from the ships batteries for microwave and ring main when shore power is not available and will act a powerful charger when plugged into shore power.

Electrical equipment includes: –
•    Horn
•    Navigation lights
•    Anchor light
•    Cockpit floodlight
•    20 LED overhead interior lights
•    4 reading/bulkhead lights
•    2 Red lights for night vision
•    Chart light
•    12 volt power socket
•    Fresh water pressure pump
•    Shower discharge pump
•    6 Automatic bilge pumps
•    Bilge water alarm lights
•    Twin pantograph wipers
•    Screen washers
•    Electric windlass
•    Two hull anodes
•    Shore power ring main
•    Microwave cooker
•    Shore power lead 15 metres long


The standard interior layouts are shown on the enclosed drawings (these show some items that are on the optional extras list) and includes the following: –

Chain locker
A watertight bulkhead in the forward section of the craft forms the chain locker. Access is through a Bomar watertight deck hatch in the bulkhead. A light is fitted inside the locker to enable viewing inside without the need to open the hatch. The switch for the chain locker light is located in the forward cabin.

Fore cabin
The forward cabin (or owner’s cabin) is designed with a pair of V berths fitted with a pair of fully sprung mattresses. The layout includes a hanging locker to starboard, two tilt type stowage lockers on the inboard side of the berths, a built in stowage locker at the head of the port berth and lockers to port and starboard outboard above the berths. Ventilation is by way of a pair of opening port lights and a hatch on the coach roof. The cabin sole is in teak and holly ply deck. Three overhead lights and two bulkhead reading lights are provided.

Shower / washroom / toilet
The standard arrangement provides a dedicated shower/wash room / toilet to starboard. The fittings include an electric fresh-water flush toilet, an Avonite basin top and wash basin with single lever mixer tap. The space above the basin top outboard is used to form a locker. A hinge up oak slatted shower seat is fitted on the forward bulkhead. A separate shower compartment features a high-quality shower with single lever mixer tap. The shower tray drains into a sump box fitted with an automatic pump with overboard discharge. Ventilation is by way of an opening port light and a large extractor fan with a timer control. An alternative two heads compartment layout is also available.

The no gas galley is in the mid section of the craft. Fittings for the galley include a ceramic diesel fired hob, microwave cooker, double sink/drainer with single lever mixer tap and a built in 47 litre refrigerator. There is also a cutlery drawer and generous stowage for plates and cups outboard. All remaining space in the galley area is utilised for cupboard space.
Other galley arrangements and options are available.
Ventilation is by four opening port lights and a Bomar hatch in the deckhead.
The sole area in this section is in traditional teak and holly that is both attractive and practical.

Guest Cabin

The guest cabin has twin berths, a hanging locker and storage cupboards. An opening portlight is fitted.

Engine room

The Seaward 39 has a proper engine room that is self-contained below the wheelhouse and cockpit sole. Easy access for routine checks and service is through a hinged hatch in the cockpit sole. The whole of the compartment is well insulated including under the engines. This compartment also contains the vessel’s batteries and seawater filters. Ventilation for the engines is by a series of large GRP vents fitted to the sides of the structure. Four engine room lights are provided; these are switched on/off from the helm switch panel.

Wheelhouse / Cockpit

Access to the wheelhouse is from aft through a single hinged door on the port side of the wheelhouse. The wheelhouse has good all round vision and is arranged with the helm console to port and the navigator’s position to starboard. The helm console is custom designed to suit the engine instruments and navigation equipment. The owner is invited to the factory whilst the craft is being built for a fitting to ensure all the controls, switches, seats and footrests are fitted in their optimum positions. The console area in front of the navigator is flat and will accommodate a folded chart for navigation under way. A navigator’s locker is built into the console shelf for navigation instruments etc. A chart light is provided.Two fully adjustable Cleeman ( or similar ) pilot armchair seats are fitted as standard. The seats are mounted on oak lockers with stowage within, possibly for a drinks fridge in one.
The latest design layout includes an L shaped lounge area with a coffee and dining table aft of the navigator’s seat. The area beneath the settee is available for general stowage and is probably the most convenient place to keep your safety equipment. An oak cabinet sideboard is fitted to port, with a built-in bar and bottle stowage. It is also an ideal location for the optional LCD flat screen colour television or other customer supplied items.
Overhead lights and a central red light for use on night passages provide lighting. Ventilation is by two slide opening front side windows, two half-drop rear bulkhead windows and two overhead vents.
The sole area in the wheelhouse is covered in carpet.

The cockpit is fully self-draining and includes a GRP moulded shaped seating area with soft cushions. The GRP seat bases have hinged lids for access to the stowage areas beneath. A socket is provided to enable the coffee/dining table to be moved to the cockpit area. Entrance from the cockpit to the wheelhouse is by way of a heavy duty hinged door finished in white powder coating.
A full canopy/sun awning arrangement is available on the options list. This comes with side and rear windows and zip up doors for access each side and over the stern. In hot weather the rear can be rolled up and the sides removed to convert the canopy to a sun awning

Exterior and Deck Fittings

The exterior of the vessel is in traditional Seaward/Nelson style with a 4″ size rubber ‘D’ fender fitted all round with teak spray rails – teak badges are optional. The standard deck layout includes a heavy duty pulpit that extends to almost the aft end of the wheelhouse. The pulpit has a thick tubular top rail and a thinner tube at the mid height down each side. An inboard pilot rail system is available according to the customer’s preference at no extra cost.

A good size uncluttered foredeck and wide low profile side decks makes mooring up a safe and pleasurable experience on the Seaward 39 – an important consideration for husband and wife cruising. In fact it would be difficult to make stepping on and off easier.

Standard colour for the hull is Oxford blue with a white bootop and a white superstructure. The underside of the hull is coated with a solvent free epoxy system before the application of red antifouling. The side decks are coated with Hempel grey non-slip deck paint and the cockpit and stern platform are in Flexiteek, carefully integrated to the hatch openings.

Deck equipment includes: –
•    4 – stainless steel bollards.
•    6 – fairleads
•    2 – midship bollards
•    Electric windlass
•    Self launch/stow stem head fitting
•    Detachable mast in white powder coat finish
•    Cyclops II radar reflector
•    Ample grab rails

Price List

Prices are afloat and in commission at Cowes including VAT @ 20%

 Options PricesValid from August 2016SEAWARD 39Inc Vat
1Engine option 1Twin 8LV V drivePOA
2MachineryRope CuttersStripper Rope Cutters£1,565
Bow ThrusterBow Truster£5,450
Stern ThrusterStern Truster£5,640
Exhaust alarmsExhaust alarms with test facility£577
3SystemsTrim TabsTrim Tabs£2,350
Cockpit showerDeck shower with hot & cold water£350
Toilet optionsElectric Fresh Water Toilets£686
Holding tankHolding tank system with electric pump out to sea and fresh water flush. Includes change over valve to enable toilet to be pumped to sea or to holding tank. c/w contents level gauge£2,950
HeatingEberspacher 'Hydronic 5' hot water and central heating system with 3 x fan matrix heaters - each with own thermostat control includes twin coil calorifier£4,650
Galvanic Isolator£178
4ElectricalCharger/InverterVictron 2000W/80-30 Multi-plus inverter/charger. Provides mains voltage on board when shore power is not available. Acts as a battery charger when plugged into shore power. Automatic operation installed with remote control panel£2,556
Independent charger and inverterVictron Phoenix inverter C12 2000, 2000 watt inverter with inverter control panel and twin output separate Phoenix charger 12/50 .£2,898
12v general purpose socket£90
BreakersSpare circuit breakers fitted and wired in each£70
Base Pack:1 x Radio/CD/MP3/Aux Socket.
1 x Pair Pioneer 17cm Speakers£416
Mid Pack:1 x Radio CD/Radio/USB/Aux
2 x Pair Pioneer 17cm Speakers £715
High Pack:1 x Radio/CD/USB/Bluetooth/Bluetooth Streaming
2 x Pair Pioneer Speakers
1 x Powered Subwoofer
1 x 4 Channel Amplifier£1,322
5Navigation and Communication equipment packs.Local PackPackage includes Raymarine 12 inch Es128 HybridTouch display this technology offers a choice of intuitive touch screen interaction with pinch-to-zoom or full keypad control with GPS, depth, speed & log i50 display & Ray50 VHF £5,970
Coastal PackPackage includes Raymarine 12 inch Es128 HybridTouch display this technology offers a choice of intuitive touch screen interaction with pinch-to-zoom or full keypad control with GPS, 18 inch HD Color Radar, depth, speed & log via i70 colour display & Ray70 VHF £8,901
Offshore PackPackage includes Raymarine 12 inch Es128 HybridTouch display this technology offers a choice of intuitive touch screen interaction with pinch-to-zoom or full keypad control with GPS, Evolution autopilot system, 18 inch HD Color Radar, 2x depth, speed, log & wind via i70 colour displays, AIS Class B Transceiver & Ray60 VHF £15,398
Offshore systems comprehensive Monitoring System£11,580
6InteriorLeather seatsPair of K.A.B. suspension seats trimmed in leather£2,781
AlcantaraAlcantara instead of vinyl for interior linings£3,050
Seat locker55 Litre Freezer£1,627
Fridge65 Litre Fridge£1,184
FootrestSlide adjustable footrest with lock control£425
Gas Galley£1,158
7ExteriorWindows/hatchesExtra skylight hatches 60 above helm & crew seats. (each)£999
SearchlightElectric focus searchlight£772
WipersHeavyduty Wipers£659
Keel shoeGRP keel shoe (necessary for craft that dry out on rough ground)£1,120
Cyclops Radar Reflector£456
Davits"Weaver" snap davits fitted to boarding platform for dinghy£1,050
Fender basketsFender Baskets£462
BadgesBow Protector Plate£390
Rubber spray rails instead of teakNEC
Rail optionsPilot type inboard handrails instead of extended pulpitNo extra cost
Treadmaster to Decks£2,184
CanopyCockpit Cover£1,350
8Paint and finishesFlexiteek packFlexiteek to Cockpit & Stern Platform£4,002
9Loose items4 Man Life Raft£1,788