Worksheet 767 · Skill 6

Course to steer

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1. You are at 308°T, 3.0 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.8 kn. The current sets 289°T at 1.6 kn.

   Find the true course to steer that keeps you on the straight track to the buoy, your speed over the ground, and how many minutes it will take.

   Tolerance: 3° (the track is measured on the chart), 0.3 kn and 3 minutes (or 5 %).

   Course to steer: ________ °T   Speed over the ground: ________ kn   Time to the mark: ________ min  

2. You are at 038°T, 2.6 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 7.1 kn. The current sets 091°T at 1.7 kn.

   Find the true course to steer that keeps you on the straight track to the buoy, your speed over the ground, and how many minutes it will take.

   Tolerance: 3° (the track is measured on the chart), 0.3 kn and 3 minutes (or 5 %).

   Course to steer: ________ °T   Speed over the ground: ________ kn   Time to the mark: ________ min  

3. You are at 255°T, 2.5 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 8.3 kn. The current sets 209°T at 2.2 kn.

   Find the true course to steer that keeps you on the straight track to the buoy, your speed over the ground, and how many minutes it will take.

   Tolerance: 3° (the track is measured on the chart), 0.3 kn and 3 minutes (or 5 %).

   Course to steer: ________ °T   Speed over the ground: ________ kn   Time to the mark: ________ min  

4. You are at 324°T, 3.1 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 6.0 kn. The current sets 314°T at 0.7 kn.

   Find the true course to steer that keeps you on the straight track to the buoy, your speed over the ground, and how many minutes it will take.

   Tolerance: 3° (the track is measured on the chart), 0.3 kn and 3 minutes (or 5 %).

   Course to steer: ________ °T   Speed over the ground: ________ kn   Time to the mark: ________ min  

5. You are at 043°T, 3.0 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.9 kn. The current sets 014°T at 0.7 kn.

   Find the true course to steer that keeps you on the straight track to the buoy, your speed over the ground, and how many minutes it will take.

   Tolerance: 3° (the track is measured on the chart), 0.3 kn and 3 minutes (or 5 %).

   Course to steer: ________ °T   Speed over the ground: ________ kn   Time to the mark: ________ min  

6. You are at 309°T, 2.7 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.9 kn. The current sets 280°T at 1.3 kn.

   Find the true course to steer that keeps you on the straight track to the buoy, your speed over the ground, and how many minutes it will take.

   Tolerance: 3° (the track is measured on the chart), 0.3 kn and 3 minutes (or 5 %).

   Course to steer: ________ °T   Speed over the ground: ________ kn   Time to the mark: ________ min  

7. You are at 348°T, 1.8 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.8 kn. The current sets 171°T at 2.1 kn.

   Find the true course to steer that keeps you on the straight track to the buoy, your speed over the ground, and how many minutes it will take.

   Tolerance: 3° (the track is measured on the chart), 0.3 kn and 3 minutes (or 5 %).

   Course to steer: ________ °T   Speed over the ground: ________ kn   Time to the mark: ________ min  

8. You are at 299°T, 1.5 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 9.9 kn. The current sets 013°T at 1.2 kn.

   Find the true course to steer that keeps you on the straight track to the buoy, your speed over the ground, and how many minutes it will take.

   Tolerance: 3° (the track is measured on the chart), 0.3 kn and 3 minutes (or 5 %).

   Course to steer: ________ °T   Speed over the ground: ________ kn   Time to the mark: ________ min