Crossing — vessel on your port bow

Course 000°, 12 knots. A motor vessel bears 315° at three miles, crossing from port to starboard on a steady bearing. She is well clear of other traffic and there is ample sea room. What is your obligation at this stage?

Independent preparatory study aligned to the MCA OOW (Yachts <3000 GT) oral examination syllabus. Not an MCA-approved course and confers no credit toward a Certificate of Competency.