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Deck: Rules of the Road

Question 257 of 1,025

BOTH INTERNATIONAL & INLAND Which display of lights shown in illustration D072RR below indicates a 65-meter tug towing a barge astern, length of tow 120 meters?

USCG illustration D072RR for Deck Rules of the Road question 257
Illustration D072RR
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Tip: press A-D to answer

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Mariner discussion

Comments from mariners who studied this question.

je jeremyjeffrey · Aug 9, 2015
length of tow is below 200 meters, the tug should only have to have two masthead lights. And it is exempt from rule 23 a (ii) by nature of being a towing vessel.
dc dcreasoner · Oct 1, 2015
I agree, so the answer should be B? Although an additional after-masthead light is optional, thus C is possible too.
jl jlcarlson08 · Oct 20, 2015
Rule 24d requires towing vessels from 24a or 24c to also exhibit the after masthead light referred to in 23b(ii) for towing vessels over 50m. The only answer possible is C.
fa fastmover · Dec 19, 2018
C? No yellow towing light? or is this a matter or perspective?
go golivi · Dec 20, 2018
Fastmover, look at the alignment of the sidelights...you are seeing them from ahead so the towing lights will not be visible.
Ce Celanouscgq1 · Oct 12, 2019
Isn't the height of the top(masthead) white light is misleading, shouldn't it be spaced higher than and not equal to the spacing of the lower two white lights?
Al Alexey · Dec 23, 2019
Agree with Jeremy. Length of tow is below 200 meters. The tug should only have two masthead lights.
fi fixinbones · Jul 12, 2020
But the tug is greater then 50m therefore needs addition masthead light abaft and higher. If the tug was 40m and tow < 200m then would be two masthead lights
Mr Mrx6m · Nov 12, 2020
I agree this should be. - >200 meters would be 3 masthead lights....