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Foam-filled sponson and marine foam collar boat

Meet the perfect balance of compact agility and rugged capability—the 5.2-meter Foam Collar RIB. Built on a durable, lightweight aluminum hull, this boat is designed for those who value practicality, efficiency, and safety on the water.

Its key feature is the unsinkable foam collar, which provides exceptional stability and buoyancy without the maintenance of traditional inflatable tubes. Paired with the corrosion-resistant aluminum hull, it creates a tough, low-maintenance package that’s easy to trailer and launch.

Designed for full-day adventures, it includes a generous 90L under-deck fuel tank for extended range, whether you're fishing, patrolling, or exploring. The functional middle console ensures excellent visibility and easy access to controls, while the middle seat offers smart, space-saving seating without sacrificing comfort.

Ideal as a dependable tender, a capable fishing platform, or a versatile utility boat, this 5.2m RIB proves that big performance comes in a rugged, right-sized package.

 

  • Product name :

    Foam-filled sponson and marine foam collar boat
  • Model :

    FC520
  • Legnth :

    520CM/17'
  • Width :

    250CM/8'2''
  • Tube diameter :

    50CM/19.6''
  • Max. power :

    90HP
  • Max. passenger :

    10
  • Max. loading :

    1035KG/2280lbs
  • MOQ :

    1PC
  • HS code :

    89031900
  • Boat hull color :

    White,gray,black,orange,red

 

Product Name

 

Foam-filled sponson and marine foam collar boat

 

Brief Introduction

Aluminum Hull Foam-Buoyancy Boat

FAST Closed Cell Foam Buoyancy Stabilizers: The FAST collar system provides superior buoyancy, unparalleled stability and maximum collision protection in a cutting edge, heavy duty package that allows your boat to operate  in the toughest conditions of its class. Manufactured with industry leading equipment and techniques, polyurethane covered foam collars provide a light weight, stable, and seaworthy ride. Used in conjunction with our collar systems our decks are water tight and self bailing which allow them to quickly evacuate any water that may enter the boat. Under the self bailing decks is additional polyethylene foam to achieve maximum flotation and to provide sound deadening for a quieter ride.

Character

The Foam Collars Aluminum RIB Boat could be used for rescue, patrol,military,tourism,crew,cargo

This boat meets the toughest requirements for operation boats, law enforcement and patrol, heavy duty military and commercial use. It features a super-strong aluminum welded hull structure with D shaped tube (D-tube) with built-in flotation inside the hull. The D-TUBE concept is the singular and best solution for professional & commercial grade boats allowing for significantly larger cockpit space and durability in comparison with the traditional O-shape inflatable tube design.

Every boat is available with any of the following collar choices:
– Solid close-cell foam D-shaped collar with HYPALON protection skin and inflatable compensation/tension bladder
– Fully inflatable D-shaped HYPALON collar with 5 chambers.

Foam-Backed Aluminum RIB

 

Standard Features

· Deep-V, powder-coated aluminum hull with self-bailing cockpit

· Two large quick drains – bailers

· Single engine or double engine motor well

· Bow locker and anchor locker

· Anti-slip EVA pad

· 4 mooring cleats, 4 lifting eyes, 2 rear and 1 bow tow eyes

· Folding step boards and storage compartments

· Service package: paddles, repair kit, manual

· 300L fuel tank

 

Optional accessories

· Steering wheel

· Hydraulic steering system

· Electric equipment package

· Built-in fuel system, 90L fuel tank and sender

· Fuel gauge

· Protection roof with windshield, rear lockers support

· Engine guard frame for single or twin engines

· Heavy-duty bow bollard and two rear bollards

· Safety top-mounted railings, four

· T-form rear towing mast

· Towing arch with 2 cleats & tow eye

· Diving ladder with deck mounts

· Bow locker cushion

· Bow seat back cushion

· Overall cover, console/seat covers

· Custom letter on both sides of inflatable tube

 

Specification

 

Length overall

520 cm / 17′ 

Length inside

460 cm / 15′ 

Width overall

250 cm / 8′ 2''

Width inside

150 cm / 5′ 

Tube Diameter

50 cm / 19.6”

Bare boat weight

400 kg / 880 lbs

Loading capacity

1035 kg / 2280 lbs

Passenger capacity

10

Collar/Tube design

Foam D-tube / 5-chamber inflatable tube

Engine recommended

80HP

Engine MAX

90 HP

Aluminum hull thickness

5 mm / 0.2 inches

Boat design category

C

 

 

Why choose foam collars aluminum rib 

1. Superior Durability & Lightweight

Foam Collars (instead of inflatable tubes): More puncture-resistant, maintenance-free, and don’t require regular air pressure checks.

2. Enhanced Stability & Safety

The foam collar design provides excellent buoyancy, making the boat nearly unsinkable.

3. Low Maintenance

No need to worry about tube leaks or UV degradation (common in PVC inflatables).

4. Better Performance & Fuel Efficiency

Lighter than fiberglass RIBs, allowing for faster speeds and better fuel economy.Handles well in choppy conditions due to the rigid aluminum hull and foam collar support.

5. Versatility for Multiple Uses

Perfect for fishing, diving, tenders, patrol boats, and recreational boating.Can be easily trailered and launched due to its lightweight construction.

6. Longevity & Resale Value

Aluminum boats last decades with minimal upkeep.

Foam collars don’t degrade like inflatable tubes, ensuring long-term value.

7. Eco-Friendly & Cost-Effective

No PVC tubes mean no hazardous material disposal issues.Lower fuel consumption and maintenance save money over time.

 

Aluminum RIB Boat Series

 

Production process of aluminum hull

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