xrcHOLLs's SEAMANSHIP AXD XAUTICAL KNOWLEDGE 24
aae of equal importance Black and White Horizontal Bands (B. W.H.B
where the main channel is to the LEFT. Topniarks (if any)—(a) Mai-]
channel to HIGHT. Outer End, Red Can; Inner End, Bed iCT". (6
Main channel to LEFT: Outer End, Black Cone; Inner End, Blacl
Diamond, (c) Channels of equal importance- Outer End, Red Sphere
Inner End, Red St Georges' Cross Lights (if any)—As far as possible
lightb- will be distinctive, but no colours will be used other than white
or led, and neither colour will be such as to lead to uncertainty as tc
the side on which the mark shall be passed.
Mid Channel Marks.—Shape to be distinctive and different from the
principal characteristic shapes (conical, can or spherical). Coloured
Black and White Vertical Stripes (B W.V S.) or Red and White Vertical
Stupe- (R W V S ).
Topniarks (if any)—Distinctive shape other than cone, can or
bphere Light (if any)—Different from neighbouring lights or marks
at &ide of channel
Isolated Danger Marks.—Spherical, with" wide Black and Red
Horizontal Bands separated bv a nairow White Band Topniarks (if
any)—Sphere painted Black or Red or half Black and half Red horizon-
tally. Light (if any)—White or Red with flashing character
Landfall Marks.—Shape in accordance with channel marking
painted Black and White or Red and White Vertical Stripes. Light
(if any)—Flashing character.
The Conical, Can and Spherical shaped buoys are retained in the
new bystem, but the distinctive colourings and topmarks are changed.
Instead of starboard hand buoys (Conical) being painted in one
colour only they are now to be painted all black, or black and white
chequers. The Port Hand buoys (Can), formerly single or parti-coloured,
are now to be all red, or red and white chequers. The Spherical buoys at
the ends of a Middle Ground, instead of the distinctive white and black
horizontal bands as formerly, are now to be painted red and white, or
black and white horizontal bands.
Distinctive Topmarks, when fitted, are to be shaped as a cone,
diamond, can, sphere, St. George's Cross or a UT". A black cone or a
bhck diamond on starboard hand buoys. A Red Can or a Bed e*T" on
Poit Hand buoys. The R.W.H.B. Middle Ground buoys indicating
that the main channel is to the right may have a Red Can on the outer