Worksheet 48 · Skill 6
Course to steer
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You are at 314°T, 1.3 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 11.6 kn. The current sets 091°T at 1.4 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 278°T, 2.5 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.5 kn. The current sets 095°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 060°T, 3.9 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 10.6 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 179°T, 1.3 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 6.9 kn. The current sets 173°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 060°T, 3.4 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 10.9 kn. The current sets 112°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
You are at 054°T, 2.7 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 6.0 kn. The current sets 155°T at 1.9 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 265°T, 2.8 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.2 kn. The current sets 307°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
You are at 071°T, 3.5 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 5.4 kn. The current sets 030°T at 1.8 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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 219 °T Speed over the ground: 10.8 kn Time to the mark: 27 min | No. 48001 (worked solution) |
| 2 | Course to steer: 206 °T Speed over the ground: 7.2 kn Time to the mark: 30 min | No. 48002 (worked solution) |
| 3 | Course to steer: 172 °T Speed over the ground: 10.4 kn Time to the mark: 20 min | No. 48003 (worked solution) |
| 4 | Course to steer: 262 °T Speed over the ground: 7.3 kn Time to the mark: 33 min | No. 48004 (worked solution) |
| 5 | Course to steer: 176 °T Speed over the ground: 11.7 kn Time to the mark: 19 min | No. 48005 (worked solution) |
| 6 | Course to steer: 353 °T Speed over the ground: 4.2 kn Time to the mark: 31 min | No. 48006 (worked solution) |
| 7 | Course to steer: 184 °T Speed over the ground: 4.7 kn Time to the mark: 38 min | No. 48007 (worked solution) |
| 8 | Course to steer: 145 °T Speed over the ground: 4.9 kn Time to the mark: 34 min | No. 48008 (worked solution) |