When you hear that the wind is blowing at “Force 5”, what scale is being used to describe the wind force?
Send your answers to cruisingcompass@bwsailing.com. A winner will be selected randomly from the correct answers and will win a one-year subscription to the digital version of Blue Water Sailing magazine.
Congratulations to Sid McKenzie od New London, CT who correctly identified the AIS warns CPA and TCPA. “CPA stands for Closest Point of Approach and TCPA strands for Time to Closest Point of Approach.”