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Aerowave · Sovereign Series

Aerowave Viper 400 Sovereign

Name: Aerowave Viper 400 Sovereign
Brand: Aerowave
SKU: VIPER-400-SOV
Price: 5796 AUD
Availability: InStock
Rating: 5.0 (3 reviews)

Australia's flagship inflatable catamaran. Built to handle the abuse that ends weekends for owners of thinner hulls.

US$4,158 USD(Full Package)+ A$600 fully landed to your door · 7–14 days

+61 2 4335 1603

Shown in USD. Billed in AUD ($6,300) at your card's live rate. Freight & duty added at checkout.

4.00 m

Length

6 people

Capacity

40 hp

Max HP

1.2 mm VALMEX

Hull fabric

5–7 years

Warranty

Trusted site · international

Key features

Aerowave Viper 400 Sovereign package.

1.2 mm VALMEX hullOptional Orca Hypalon upgrade (+ A$1,900)Twin-hull cat stabilityHigh-pressure air deckUpgrade to aluminium floorboards (+A$500)4 mm aluminium transom5 air chambersOver-pressurisation valves fitted as standard5–7 years hull warranty

About this boat

The story behind the build

Aerowave Viper 400 Sovereign — 4.0m Enclosed-Bow Flagship

The most premium boat we build. 4.0m of enclosed-bow catamaran with the driest, most confident ride in the Aerowave range — the boat we take out first when the weather turns.

Built on 1.2mm German VALMEX® 7321 Heavy Plus commercial-grade PVC — the same industrial fabric spec'd on rescue and workboats.

Built for

Owners who want the best boat in the range, full stop
Serious offshore-lite fishing, crabbing and coastal weekending
Yacht owners who want the driest, most stable tender we make
Buyers who value real long-term durability over big-brand marketing

Why this boat

1.2mm German VALMEX® 7321 Heavy Plus PVC
Enclosed bow — dramatically drier ride into head-sea and chop vs open-bow catamarans
Thermo-welded seams, not glued
8–10 PSI high-pressure air deck with optional aluminium floor upgrade (+A$500)
Over-pressure safety valves on every chamber
CE certified to ISO 6185-3 and EU Directive 2013/53/EU
Full Bimini sun top included

Backed by a 5–7 Year Limited Hull Warranty

Comprehensive cover on hull fabric, welded seams, valves, air deck and fittings.

AeroWave Rewards + AeroWallet

Buy this boat, get looked after for life — and start saving for the next one

Every owner joins AeroWave Rewards — earn points on this order and every upgrade after — and can open an AeroWallet to put money aside for their next boat, with a 5% top-up bonus from us when they buy.

▸ 10% off every accessory — capped at A$50 saving per order
▸ Up to A$650 off your next boat with points
▸ AeroWallet: save toward your next boat, +5% top-up when you buy
▸ 3,000 pts + A$200 boat credit for every mate you refer

Join AeroWave Rewards — free Open an AeroWallet

See Rewards terms and AeroWallet terms & conditions.

Scan at checkout

Rewards · Captain

4021 0000 0000 0091

Member

JOHN SMITH

Since

JUL 2026

Expires

JUL 2028

Specifications

The full numbers

Length: 4.0m / 13'1"
Beam: 1.80m / 71"
Tube Diameter: 51cm
Bare Boat Weight (without Bimini & wheel kit): 66kg / 145lbs
Capacity: 6 Adults / 750kg
Max Horsepower: 40HP 4-Stroke Short Shaft
Recommended Horsepower: 20/30 four-stroke
Floor — Standard: 8-10 PSI maximum High-Pressure Air Deck
Floor — Optional (+$500): Marine-grade aluminium floorboards + inflatable keel
Commercial Construction: German VALMEX® 7321 Heavy Plus 1.2mm commercial-grade fabric
Packed Size: ~135cm x 75cm x 45cm (2 bags — hull + floor/accessories)
Transom Height: 380mm (as of 1 July 2026 — previously 405mm) — lower transom drops the prop deeper for more bite and eliminates ventilation & aeration at speed

Full Package contents

What's included in the Full Package

Premium Catamaran Hull Platform
Twin-hull stability for a more confidence-inspiring ride and reduced roll at rest.
German VALMEX® 7321 Heavy Plus 1.2mm fabric
Commercial-grade fabric built for abrasion, UV exposure and long-term ownership confidence.
10 PSI high-pressure air deck floor
Built with specialised drop-stitch technology and covered in VALMEX non-slip material. A firmer underfoot feel for standing, fishing and moving around with confidence.
4 × Over-Inflation Safety Valves (one per chamber)
Standard on every boat — premium pressure protection that helps protect the tubes when heat causes air pressure to rise. Most competitors don't include these.
Full Bimini Top Kit
Shade and comfort already sorted for longer days on the water — choose light grey or black at checkout.
Italian 316 Stainless LockPro Wheels
Heavy-duty launch wheels for easier beach or ramp handling. Red or grey available.
2 x Removable Aluminium Bench Seats
Flexible passenger and fishing layout options.
Premium Aluminium Transom
Stronger rear mounting platform for improved engine support and durability.
2 x Rod Holder Mounts + 2 x Rod Holders
Two rod holder base mounts are glued to the deck by our production team, and two clip-in rod holders are included — fishing-ready straight out of the bag.
Bow D-Rings
Fitted front D-rings for compatible tie-downs and future accessory mounting points.
Heavy-Duty Rope Holder
Fitted rope holder on the bow for mooring, towing and retrieval.
Carry Bag, Manual Foot Pump & Repair Kit
Core essentials included so you can get started properly.

Ready to launch

Build, price, checkout.

Package prices

Selected: Full Package

Secure checkout 5–7 years warranty Cards, wallets, WavePay

Build · Price · Checkout

Everything in your package — hull colour, wheels, Bimini, floor, fabric — locked in below. Pay the live price shown.

Please pick your hull colour

Arctic Grey / Black

Please pick your wheel colour

Please pick your Bimini colour

Please pick your floor colour

Valmex 1.0mm Non-Skid/Slip Flooring · both colours included

Please pick your upgrade

Everything in your package is shown here — pick your fabric and floor.

Payments we accept

Secure checkout · Stripe encrypted · WavePay 0% interest

77 year
warranty

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256-bit SSL Buyer protection 50% deposit option

Your build

Full Package (Bimini + wheel kit)
Hull: Arctic Grey / Black
Wheels: Storm Grey
Bimini: Light Grey
Floor: Black Valmex 1.0mm Non-Skid/Slip

Pay today

US$4,158 USD

Call +61 2 4335 1603 Email us

Prefer a written quote first? We'll email the full spec sheet, freight to your postcode and a personal quote — worldwide.

Get today's landed price

60-second reply · no obligation

See what the Aerowave Viper 400 Sovereign — Full Package (Bimini + wheel kit), Hull: Arctic Grey / Black, Wheels: Storm Grey, Bimini: Light Grey, Floor: Black Valmex 1.0mm Non-Skid/Slip lands at your door — today's price, today's freight.

We email the full PDF quote (spec, freight, finance, WavePay) to your inbox in under 60 seconds. No spam — one quote, one follow-up.

Shipping to United States · DDP · 7–14 days

Talk to Karen — she'll give you a fully-landed price in 60 seconds. Freight, duty, GST — all included, no surprises at the door.

Call Karen · +61 2 4335 1603 WhatsApp Get it in writing

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Email yourself a copy and we'll hold today's price for 7 days — no card, no obligation.

*AMMF indicative only, subject to approval.

Gallery

See it from every angle.

Click any photo to expand

Built for real-world abuse

Every detail, engineered to last

From the reinforced aluminium transom to the heat-welded seams and premium 1500 GSM / 1.2 mm VALMEX® tubes — this is what sets the Viper apart.

Annotated top-view diagram of the Aerowave Viper catamaran labelling reinforced aluminium transom, self-bailing drain, quick-release accessory mounts, paddle holders, aluminium bench seat strip, non-skid VALMEX floor, reinforced bow, grab rope, three heavy-duty welded handles, premium 1500 GSM / 1.2 mm VALMEX® tubes, integrated towing eye, high-flow valves and heat-welded seams.

FAQ

Frequently asked questions

What makes the Sovereign different from a standard inflatable boat?

Its twin-hull catamaran design focuses on stability at rest, while the 8-10 PSI maximum high-pressure floor gives a firmer, more rigid feel underfoot. It is also supplied as a complete flagship package.

Why is the Sovereign still positioned as the flagship Viper 400?

The Sovereign is the flagship enclosed-bow model. The new show-special price gives buyers a stronger value entry point while still delivering the more refined layout, premium feel and top Viper ownership package.

What motor suits the Viper 400 Sovereign?

The Sovereign is rated up to 40HP 4-stroke short shaft, with 30HP 4-stroke short shaft recommended for many buyers depending on load and use.

Why does the 8-10 PSI maximum air deck matter?

A higher-pressure air deck gives a firmer, more confidence-inspiring underfoot feel when standing, fishing, loading gear or moving around on board.

Is delivery included?

Yes — every boat includes Express Delivery Credit included — Australia-wide, approximately 30 days door-to-door. Our new direct Hong Kong → Sydney sea service runs about 14 days, then Australian customs and biosecurity clearance, then courier delivery to your door. Your price includes GST, import duties and standard delivery — no surprise charges on arrival. Optional DHL Express air-freight upgrade is available for faster delivery, and remote-area addresses may incur a checkout-calculated surcharge.

What makes it better for Australian conditions?

Premium German VALMEX® 7321 Heavy Plus 1.2mm commercial-grade fabric, thermo-welded seams, over-inflation safety valves, strong support and a practical package spec all help suit real Australian use.

Can I get the Sovereign with aluminium floorboards instead of the air deck?

Yes — from 15 June 2026 the Sovereign 400 is available with marine-grade aluminium floorboards and an inflatable keel as a +$500 upgrade. The standard build still ships with the 8-10 PSI maximum high-pressure air deck (77kg). The aluminium floorboard + keel option adds rigidity for serious fishing, standing casting and heavier loads, and brings the all-up boat weight to roughly 92kg. Choose your preferred floor on the product page before adding to cart — if no option is selected, the standard air deck is supplied.

Not sure yet?

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Fabric is the whole story

The market ships 0.9 mm.
We ship 1.2 mm.

Nearly every comparable catamaran in this class rolls off the line on an 1100 GSM / 0.9 mm VALMEX® PVC hull — or 0.9 mm Chinese PVC. Ours ships standard on 1500 GSM / 1.2 mm VALMEX® Heavy Plus — German-woven, the same fabric family used on RFDs, workboat tenders and CE-rated commercial ribs. We're one of very few builders in the world putting this fabric on a recreational catamaran at this price.

4.0 m Sovereign-class catamaran · like-for-like landed AU

The market

A$6,790

1100 GSM / 0.9 mm VALMEX® PVC hull, delivered

Ours — landed

A$6,900

1500 GSM / 1.2 mm VALMEX® Heavy Plus hull, delivered

33% more fabric than the market standard — at landed price parity.

The market

1100 GSM / 0.9 mm VALMEX® PVC

1100 GSM / 0.9 mm VALMEX® PVC
3–7 year typical service life on the coast
Thinner than 1.2 mm Heavy Plus under abrasion and hard use
Category-average landed price A$6,790

Aerowave Viper 400 Sovereign — Full Package (Bimini + wheel kit), Hull: Arctic Grey / Black, Wheels: Storm Grey, Bimini: Light Grey, Floor: Black Valmex 1.0mm Non-Skid/Slip

1500 GSM / 1.2 mm VALMEX® Heavy Plus

1500 GSM / 1.2 mm VALMEX® Heavy Plus — 33% more fabric than the market
10–12 year service life on the Australian coast
Same fabric family used on RFDs, commercial tenders, CE-rated ribs
One of very few builders in the world offering this at this price

Landed AU prices are indicative benchmarks for typical comparable packages delivered to a metro AU address. Check specific packages for exact inclusions. We never name competitors — the numbers speak for themselves.