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Deck: Rules of the Road

Question 1,577 of 1,025

BOTH INTERNATIONAL & INLAND Which light(s) are required to be exhibited by a 20-meter sailing vessel while underway?

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Comments from mariners who studied this question.

bl blainevictorwelker · Feb 26, 2018
stern light and no side lights? rule 25 A i, ii.
co corydion · Mar 15, 2018
this is stupid because two of these are optional and the question says required....
my mymicgranlund · Apr 16, 2018
The question clearly states a "20 METER SAILING VESSEL" BUT Rule 25 is for less than (20 Meters) The stern light is required underway, the green over red on the mast is "optional"
Bo Boaty boat · Oct 29, 2019
Rule 25 says ‘ a sailing vessel underway shall exhibit sidelights and a stern light. That means any sail boat. It goes on to state in (b) less than 20 meters can combine the lights Orin addition carry more. But that doesn’t mean above 20 meters doesn’t need the side lights. Anything below 20m has options but over 20 M they’re carri g side and stern lights. Makes no sense otherwise. You could then have a massive 200 foot sailboat with only a stern light on and a much smaller boat better lit. In my opinion they got this wrong.
wa walmart3p · Oct 30, 2019
This is the Coast Guard we are talking about guys lol. The question is not asking for all the lights required for that particular vessel. It is asking you to choose the required out of the ones listed options "A" and "C" is an either or situation but "B" is a mandatory. At least that's the way I understand it.
sc schnrgrl · Feb 13, 2020
25(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."

25(a) "A sailing vessel underway SHALL exhibit:
(i) sidelights;
(ii) a sternlight."
Sa SailorJimmy · Apr 3, 2020
LESS than 20 meters can combine sidelights and stern light in a tri-color masthead "combination lantern". This vessel IS 20m. Stern light and sidelights are required, R/G masthead optional. A combination lantern is not allowed.