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What
are the arc of visibilities of the lights?
If
it's a Working Light then the arc are 360o (N.U.C.,
R.I.A.M., Constrained etc)
If
it's a length of the vessel masthead light (Fore & aft masthead
lights)
or
A length of the tow Masthead light then the arc is 225o
(2 or 3 towing lights on fore mast)
The
towing lights can be placed on the aft mast
Sidelights
are 112.5o each
Sternlight
is 135o
| Light |
Arc |
Colour |
| Masthead
light |
225o |
White |
| Sidelight |
112.5o |
Green
& Red |
| Sternlight |
135o |
White
or Yellow towing light |
| Working
lights |
360o |
White,
red, green & yellow |
(Q)
Where does a masthead light start and finish at?
(a) From 22.5o abaft the beam on the port side through
the stem till 22.5o abaft the beam on the starboard
side
(Q)
Where does a Sidelight start and finish at?
(a) From the centreline of the vessel forward till 22.5o
abaft the beam
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