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Day Skipper Colregs Practice Questions

10 questions — multiple choice, sourced from real maritime incident reports and MCA oral exam syllabi. Browse all topics →

1. A power-driven vessel underway at night shows which combination of lights?
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)
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2. A vessel not under command (NUC) at night shows which lights?
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
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3. A sailing vessel underway at night must show which lights?
A. Sidelights and stern light only (or optionally a combined tricolour at masthead)
B. Anchor light plus sidelights
C. Masthead light, sidelights, and stern light (same as power)
D. All-round white light only if under 12 metres
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