56. (5.8.2.1A8-4) At 0943, your position is LAT 41°14.8'N, LONG 71°54.3'W. You are turning for 12.2 knots. What is your ETA at the entrance to Great Salt Pond on Block Island?

The ETA at the entrance to Great Salt Pond is 1054, calculated by determining the distance to the entrance (approximately 14.5 NM) and dividing by the speed (12.2 knots), resulting in a steaming time of about 1 hour and 11 minutes.