I disagree with the answer. Rule 25 both International and Inland, requires a vessel powered by oars to have a white light or lantern to be exhibited in sufficient time to prevent collision. The green light shown in this question could have been part of the running lights of either B, C or D (all underway).
Deck
Rules of the Road: BOTH INTERNATIONAL & INLAND You see ONLY the light shown in illustration D080RR...
Discussing this exam question.
Unpowered vessels (sailing, under oars, or towed) do not exhibit a masthead light, a.k.a. a "steaming light" to sailors. A NUC, powered, or fishing vessel would all exhibit either all-around mast lights or a masthead, depending on which one it is.
Therefore the only type of vessel that can exhibit ONLY (this is capitalized in the question) a green light is...
Therefore the only type of vessel that can exhibit ONLY (this is capitalized in the question) a green light is...
@BOBAGRA
That is not correct
In accordance with Rule 25(d)(ii) INTL and Inland, "A vessel under oars may exhibit the lights prescribed in this rule for sailing vessels, but if she does not, she shall exhibit an all around white light or have ready at hand an electric torch or lighted lantern showing a white light which shall be exhibited in sufficient time to prevent collision.
That is not correct
In accordance with Rule 25(d)(ii) INTL and Inland, "A vessel under oars may exhibit the lights prescribed in this rule for sailing vessels, but if she does not, she shall exhibit an all around white light or have ready at hand an electric torch or lighted lantern showing a white light which shall be exhibited in sufficient time to prevent collision.
Yeah this seems wrong to me also - oars should have a white light. I’m always going to think this is a starboard light when I see just green