hi matt, i lifted tjis from the south australian website
www.mossie.net15 `BLACK BANDS'
15.1 A system of `black bands' 25 mm
wide of a colour contrasting with
that of the mast and boom shall be
used on the spars to mark the limits
of extension of the mail sail's length
along its luff and foot.
15.2 Two bands shall be painted in any
position on the mast with their inner
edges 6900 mm apart, except when
the mainsail is set to the mast head
in which case only one band shall
be used, with its upper edge
positioned 6900 mm below the top
of the mast.
15.3 One band only shall be painted on
the boom with its inner edge 2550
mm (measured along the length of
boom) from the aft edge of the mast
track or its extension.
15.4 When the mainsail is set on its spar
the luff and foot shall be wholly
contained within the inner edges of
the bands.
16