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Plovput LLC limited liability commercial company for
maintenance of maritime waterways and radio service

Isolated danger marks

(excerpt from Regulations about way of marking of waterways and aids to navigation)

The isolated danger mark has the shape of a pillar or spar painted in black with one or more broad horizontal red bands.


The isolated danger mark must have a topmark, two clearly noticable mutually separated black spheres placed one above the other.


The light of the isolated danger mark is a white flashing light, with two flashes of light in a group.


The isolated danger mark can be passed from all sides.




Isolated danger marks
Colour Black with one or more broad horizontal red bands
Shape Any, but different from lateral marks (pillar or spar preferred)
Topmark 2 black spheres, one above the other
Light (if any) White
Rhythm Group flashing (2)

Plovput d.o.o. Obala Lazareta 1, 21000 Split +385 (0)21 390 600 +385 (0)21 390 630 OIB: 14480721492

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