Special Mark Buoy

Special Mark Buoy

Special mark is a sea mark that used to indicate the characteristics of a particular area or water. It is colored yellow and carrieS a X topmark. Special mark has a distinctive sequence of various flashes that does not match any other navigational mark flashes in its vicinity.

Characteristics of Special Mark

Feature	Special Mark
Color	Yellow
Shape	Any Shape that is not inconsistent with other buoys and the fixed mark in the water
Topmark	Yellow, single X
Character	In accordance with the provisions of the following table

Special mark shall be marked on its obvious place with the mark which indicates its usage. And the mark are supposed to be seen in the water from any horizontal direction. For specific information, please see the following table.

Application Type	Mark		Character
Application Type	Color	Graphic Symbol	Photochromic	Flash Rhythm	Period(s)*
Anchorage Place	Black		Yellow	Morse Signal “Q” — —· —	12
Navigation Prohibited Area	Black			Morse Signal “P” ·— —·
Offshore Operation Area	Red/White			Morse Signal “O” — — —
Opposite Navigation	Black			Morse Signal “K” — ·—
Water Structure	Black			Morse Signal “C” —·—·
Recreation Area	Red,Black			Morse Signal “Y” —·— —
Aquatic Product Area	Black			Morse Signal “F” ··—·
Note: * the spare period can be 15 seconds

Note: In special circumstances, beyond the use of seven types of the standards listed for the special marks, upon pproval by the superintendency organs, the character and mark can be determined separately.

Material of Special Mark

To meet our customers’ different requirements, the materials to produce the cardinal marks can be different. It can be fiber reinforced plastic(FRP), steel or ultra high molecular weight polyethylene(UHMWPE). All materials used in this product are environmentally friendly. The inner of the buoy is filled with polyurethane closed cell foam.

Sizes of Special Mark

The diameter of the navigation marks is changeable, which depends on the specific needs of customers. It can be 0.6m, 0.8m, 1.2m, 1.5m, 1.8m, 2.1m, 2.4m, 3m, 3.5m etc.

Certificates

ISO, CCS, IALA etc.

Our Services

Our aim is to provide the best quality product and the excellent before sale/aftersale service for our customers. We are a at least 7-year experienced supplier in marine equipment. We can not only supply you the standard products but also the customized products.

If you have any question about our products or our company, please feel free to contact us.

Special Mark Buoy

Diagram of Special Mark

Special Mark Buoy

Special Mark for Aquatic Product Area