Two all-round reds in a vertical line, with red and green sidelights. What is it?
Lights seen at night, from top to bottom: red (centre), red (centre), green (left), red (right).
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A vessel not under command, making way, heading towards you. Two reds mean not under command. Sidelights mean she is moving through the water, even though she cannot steer properly. Keep well clear.
