meSkipper

Navigation A — Coastal — question 45

At 09:30 your vessel is at 32°20'N 034°40'E. True course (TC) 200°, log speed 5 knots (SOW). At 11:30 a true bearing of the ARIK Island lighthouse was 035°, and its measured range was 6 miles. Find:

  1. The set and drift of the current during the passage. 168°, 1.7 knots
  2. The course over the ground (COG). 192°
  3. The speed over the ground (SOG). 6.6 knots

The question is solved on chart 1000. On the site it comes with the relevant sections of the chart.