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Deck: Rules of the Road

Question 293 of 1,025

BOTH INTERNATIONAL & INLAND You see the display of lights shown in illustration D064RR below. This could indicate which of the following?

USCG illustration D064RR for Deck Rules of the Road question 293
Illustration D064RR
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Tip: press A-D to answer

More Rules of the Road questions

All Deck Illustrations
Both International And Inland Rules
DIAGRAM 48
Lights And Shapes
Rule 24 - Towing And Pushing

Mariner discussion

Comments from mariners who studied this question.

yc ycisaqt · May 4, 2015
I don't understand this answer, as an additional white light normally indicates "the length of the tow, measuring from the stern of the towing vessel to the after end of the tow exceeds 200 meters," (Rule 24a). What was the deciding factor to have an answer with length of tow as 150 ft?
yc ycisaqt · May 4, 2015
I don't understand this answer, as an additional white light normally indicates "the length of the tow, measuring from the stern of the towing vessel to the after end of the tow exceeds 200 meters," (Rule 24a). What was the deciding factor to have an answer with length of tow as 150 ft?
em emilysakowicz · Jun 18, 2015
Can someone explain why this isn't A?
em emilysakowicz · Jun 18, 2015
This one is tricky! When the vessel exceeds 50 m, there must be both a forward and aft masthead light. So, for the answer to be A, there would have to be 4 white lights in the picture - one aft for the size of the vessel, and three forward for the 200 meter tow. By looking at the possible answers and only seeing 50+ meter tugs, you know one white light is an aft masthead light. There are now only two left, indicating a tow under 200 meters.
em emmy1130 · Aug 11, 2015
pg 47 head on view
df dfe · Feb 27, 2018
There is no example of this configuration in the USCG book. The closest is two masthead whites indicating tow and then green and red side lights indicating you are head on. But that's for a vessel under 50 meters. Both possible towing vessels are over 50 meters meaning that you're not seeing 3 whites to indicate a tow longer than 200 meters but rather 2 whites to indicate a tow shorter than 200 meters and 1 white is the other mast's masthead.

I have no idea why anyone would think this had anything to do with a dredge.
pf pfibkins · Apr 15, 2018
- I like this - By looking at the possible answers and only seeing 50+ meter tugs, you know one white light is an aft masthead light. There are now only two left, indicating a tow under 200 meters
Ja JayhawkNavy02 · Sep 3, 2018
@EMILYSAKOWICZ

No, Rule 24(a)(i) replaces the FWD masthead light with 2 or 3 lights having the same characteristic depending on the length of tow (> or < 200m)