MGN
168 - Marking of Seismic Streamers
Seismic
vessels tow cables, sometimes as long as 2 miles behind the
vessel.
Just
behind the stern of the Seismic vessel is a dracone with a white
light indicating that he is towing dracones, this white light
flashes as follows (flashing Morse "U" - 2 short and
1 prolonged blast) BY DAY AND BY NIGHT
At
the end of the tow, their is dracones, these dracones have a
white flashing light (flashing Morse "U" - 2 short
and 1 prolonged blast) BY DAY AND BY NIGHT
Each
dracone has a radar reflector on top of it.
Remember
to listen out on Channel 16 for any Security messages that make
come from this vessel, they constantly monitor this channel
as well as keeping a good radar and visual watch.
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