Under Rule 13, an overtaking vessel must do what, and when does the overtaking obligation end?

A. The overtaking rule does not apply to sailing vessels

B. Give way only if overtaking at more than 5 knots

C. Keep clear of the vessel being overtaken until finally past and clear — once overtaking, always give way in that encounter regardless of later changes of bearing

D. Keep clear only until the bearing changes to crossing

A. Anchor light plus sidelights

B. All-round white light and sidelights only

C. Sidelights and two masthead lights, no stern light required

D. Masthead (steaming) light forward, second masthead light aft (if over 50m), sidelights (red/green), and stern light (white)

A. One all-round red light and masthead light

B. Two all-round red lights in a vertical line, plus sidelights and stern light if making way

C. Three all-round red lights and anchor light

D. Flashing yellow light every 2 seconds