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Sail Skills - ColRegs
Free Guide to ColRegs (the International Regulations for Preventing Collisions at Sea, the IRPCS or Collision Regs).  Guidance covers all aspects with animations, pictures and diagrams.  Aimed at small vessel users but suitable for professional mariners.  Especially recommended for RYA examination candidates.
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ColRegs Home>ColRegs>Definitions>Traffic Separation Schemes (TSSs)
Traffic Separation Schemes (TSSs)

The ColRegs:

-
do not define TSSs, but
-
do set out rules to be followed:
-
in or
-
near
a TSS

As the name implies, a TSS separates vessels to reduce risk of collision

A TSS typically comprises:

-
traffic lanes - with directions of travel
-
separation zones or lines to keep apart vessels that are moving in different directions
-
inshore traffic zones for:
-
smaller vessels and
-
vessels engaged in fishing

Larger vessels are required to use the traffic lanes (with some exceptions)
Traffic Separation Scheme - Dover Straits (not to be used for navigation)
Backscatter Blast - Short Blast - Prolonged Breadth Close-Quarters Constrained Draught Dracone Fishing Fog Signals Give-Way Vessel Length Making Way Non-Displacement Not Under Command Power-Driven Restricted Seaplane Stand-On Vessel Traffic Separation Underway Vessel WIG Craft
Dover Straits Traffic Separation Scheme (TSS)
(not to be used for navigation)
In the 1960s, roughly half of all collisions in the world were occurring in the English Channel


Now there are TSSs world-wide in busy areas - with a number just in the English Channel:
Traffic Separation Schemes in the English Channel (not to be used for navigation)
English Channel Traffic Separation Schemes  (TSSs)
(not to be used for navigation)
Note that most TSSs are subject to radar surveillance.  Many also have aerial surveillance

There have been a number prosecutions for not complying with TSSs - including in the English Channel ...
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