Modular Navigation Buoy

Key Dimensions

Key Dimensions

1.50 m
Overall Height
4.49 m
680 kg
17.6 kg/cm
Focal Plane Height (Max)
3.05 m
Minimum Mooring Weight
100 kg
Maximum Mooring Weight
500 kg
Visual Range (at Max FP)
2.00 NM
Radar Range
> 2.00 NM

Technical Drawings

Features & Benefits


  • Manufactured to stringent Coast Guard requirements
  • Equipment compartment inside Day Mark Tower
  • 316 Stainless steel inserts for Top Marks and Lantern attachment
  • 316 Stainless steel hardware and bolt package
  • Proprietary IALA E108 Compliant colour with UV-20 protection package
  • Foam filled hull floats and structural core prevent sinking on collision
  • Modular construction enables repair of collision damage
  • Steel Lifting Arms available in hot-dipped galvanized or 316 stainless steel
  • Proprietary HDPE structural core with anticipated 40 year useful life
  • Conformance to IALA Recommendations
  • Available in Lateral, Cardinal, Isolated Danger, Safe Water and Special Mark


  • Ideal lower cost option for marking channels
  • Extremely durable modular construction
  • Proprietary HDPE structural core design
  • Designed to withstand harsh Canadian weather conditions
  • Adjustable ballast and mooring configurations
  • Excellent performance in current speed to 4 knots
  • Large Visual Target Area with a 2 NM visible range
  • Superior Radar Detection [229m2 (Max) ; 55m2 (Avg at +/- 3 deg.)]
  • Optional Top Marks and Lantern attachment
  • Storage in upright standing position
  • Ultra-low maintenance and does not require sand-blast and painting


Performance Specifications

Focal Plane Height [Maximum]
3.05 m
Draught [Minimum]
1.44 m
Reserve Buoyancy [at max FP]
1,000 kg
Minimum Mooring Weight
100 kg
Maximum Mooring Weight
500 kg
Visual Area/Surface [at max FP]
2.10 m2
Visual Range [at max FP]
2.00 NM
Radar Reflector (Optional)
Echomax 400 (55m2)
Radar Range
> 2.00 NM

Operating Conditions

Air Temperature Range
-40 C to + 50 C
Water Temperature Range
-2 C to + 50 C
Operational Current
0 to 4 knots
Survival Current Speed
10 knots
Operational Wind Speed
0 to 30 knots
Survival Wind Speed
80 knots
Operational Wave Height
3.00 m
Survival Wave Height
9.00 m

Material Specifications

Topmark (Optional)
Marine grade aluminum with 7 stage high performance paint
Daymark Structure
Rotationally molded virgin MDPE with UV20 protection package
Core Structure
Extruded virgin HDPE with 50 year carbon black protection package
Lifting & Mooring Structure
Available in Hot-Dip Galvanized with wear bushings or 316 Stainless Steel
Lifting Break Load
18,545 kg
Buoy Hull
Rotationally molded virgin MDPE with UV20 protection package
Wall Thickness (in / mm)
16 mm
Foam Filling (Optional)
Closed cell polyurethane foam or Closed cell EPS fused in-situ block
IALA compliant colours in accordance with IALA Specification E108
IALA Compliance Testing
Independent Laboratory Test Results available
Colorfastness Test Procedure
Xenon Arc Accelerated Weathering per ASTM D-2565
Colorfastness Testing
Independendent Laboratory Test Results available per ASTM-D2244
Product Life Expectancy
> 20 Years
5 Years

Photos & Videos