A.signal indicating a course change B.distress signal C.signal of asking to communicate with another vessel D.signal indicating danger
A.circling the vessel at least once B.heading in the direction of the distress location C.flashing the navigation lights on and off D.crossing ahead and rocking the wings
A.immediate danger to collide with another vessel B.a situation in which more passengers will embark on board C.berth and ready to disembark her passengers D.distress