Check out
http://boatsafe.com/nauticalknowhow/boating/colregs.html
example:
Rule 25
Sailing Vessels Underway and
Vessels Under Oars
(a) a sailing vessel underway shall exhibit:
(i) sidelights;
(ii) a sternlight.
(b) In a sailing vessel of less than 20 meters in
length the lights prescribed in paragraph (a) of this Rule
may be combined in one lantern carried at
or near the top of the mast where it can best be seen.
(c) A sailing vessel underway may, in addition to the
lights prescribed in paragraph (a) of this Rule, exhibit at
or near the top of the mast, where
they can best be seen, two all-round lights in a
vertical line, the upper being red and the lower Green, but
these lights shall not be exhibited in
conjunction with the combined lantern permitted by
paragraph (b) of this Rule.
(d)
(i) A sailing vessel of less than 7 meters in
length shall, if practicable, exhibit the lights prescribed
in paragraph (a) or (b) of this
Rule, but if she does not, she shall have ready at
hand an electric torch or lighted lantern showing a white
light which shall be
exhibited in sufficient time to prevent collision.
(ii) A vessel under oars may exhibit the lights
prescribed in this rule for sailing vessels, but if she does
not, she shall have ready at
hand an electric torch or lighted lantern showing
a white light which shall be exhibited in sufficient time to
prevent collision.
(e) A vessel proceeding under sail when also being
propelled by machinery shall exhibit forward where it can
best be seen a conical shape, apex
downwards.
For an interesting demo of what lights might look like at
night try:
http://www.boatsafe.com/nitesim/index.htm
Ted Duke
WWPs19 #626 The Duchess
Mountains of Virginia
GUNWALES@aol.com wrote:
>
> - - - - - - - - - - - - - - - - - - - - - - - - - - -
> West Wight Potter Website at URL
> http://www.lesbois.com/wwpotter/
> - - - - - - - - - - - - - - - - - - - - - - - - - - -
> I think you may need full navigation lights if you have a motor mounted. I
> could be wrong about this but I think the flashlight is for unmotorized
> vessels. Is someone else more current on this?
>
> Happy sailing either way.
>
> Cliff in PA