Preferred channel mark

 

bullet A modified lateral mark.
bullet Used where a channel splits into a major and a minor channel, to a same destination.
bullet This system does not provide for a preferred channel mark where the channels rejoin.
bullet These have both red and green coloring, but the main color is that for the major channel.
bullet The coloring for the minor channel is only a stripe.

 

Colors:

bullet Red and green colors used for preferred channel marks.
bullet In region-A, a preferred channel to starboard is indicated by a port hand red color buoy with a green band.
bullet In region-B, a preferred channel to starboard is indicated by a port hand green buoy with a red band.

 

Topmark:

bullet Optional.
bullet Port hand marks (Preferred channel to starboard) carry can shape topmark.
bullet Starboard hands (Preferred channel to port) carry cone shape.

 

 

Light:

bullet When exhibited, red and green lights are used.
bullet These buoys use Fl(2+1)R and Fl(2+1)G .

 

Admiralty chart symbol:

Preferred channel

 to stbd

Preferred channel

 to port

Preferred channel

to stbd

Preferred channel

to port

Region-A (Unlit) Region-B (Lit)

 

 

Photograph:

Preferred channel

to port (Region-A)

Preferred channel

to port (Region-B)

 

 

Updated: June 23, 2003