Worksheet 299 · Skill 6

Course to steer

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1. You are at 283°T, 2.9 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 6.2 kn. The current sets 307°T at 1.5 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 146°T, 1.9 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.8 kn. The current sets 045°T at 1.5 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 155°T, 1.6 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 8.7 kn. The current sets 224°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 269°T, 1.6 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 7.8 kn. The current sets 141°T at 2.0 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 048°T, 1.8 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 7.5 kn. The current sets 237°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  

6. You are at 023°T, 2.2 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 8.0 kn. The current sets 358°T at 2.5 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 267°T, 2.5 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 11.8 kn. The current sets 237°T at 2.3 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  

8. You are at 071°T, 1.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 8.7 kn. The current sets 053°T at 1.1 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