Worksheet 82 · Skill 6
Course to steer
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You are at 122°T, 2.2 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 9.4 kn. The current sets 340°T at 0.8 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
You are at 296°T, 3.6 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 6.1 kn. The current sets 264°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
You are at 294°T, 3.7 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.5 kn. The current sets 070°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
You are at 013°T, 2.6 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 5.1 kn. The current sets 122°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
You are at 266°T, 1.6 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 7.2 kn. The current sets 316°T at 2.4 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
You are at 286°T, 1.9 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 11.3 kn. The current sets 139°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
You are at 278°T, 1.6 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.5 kn. The current sets 068°T at 1.0 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
You are at 052°T, 2.0 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 7.9 kn. The current sets 149°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 118 °T Speed over the ground: 8.8 kn Time to the mark: 14 min | No. 82001 (worked solution) |
| 2 | Course to steer: 163 °T Speed over the ground: 6.1 kn Time to the mark: 46 min | No. 82002 (worked solution) |
| 3 | Course to steer: 191 °T Speed over the ground: 7.9 kn Time to the mark: 35 min | No. 82003 (worked solution) |
| 4 | Course to steer: 078 °T Speed over the ground: 5.6 kn Time to the mark: 33 min | No. 82004 (worked solution) |
| 5 | Course to steer: 192 °T Speed over the ground: 6.2 kn Time to the mark: 27 min | No. 82005 (worked solution) |
| 6 | Course to steer: 181 °T Speed over the ground: 12.5 kn Time to the mark: 10 min | No. 82006 (worked solution) |
| 7 | Course to steer: 212 °T Speed over the ground: 7.7 kn Time to the mark: 24 min | No. 82007 (worked solution) |
| 8 | Course to steer: 007 °T Speed over the ground: 6.9 kn Time to the mark: 23 min | No. 82008 (worked solution) |