Worksheet 556 · Skill 6
Course to steer
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You are at 013°T, 0.9 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 10.8 kn. The current sets 022°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
You are at 006°T, 2.5 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 10.6 kn. The current sets 103°T at 0.6 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
You are at 283°T, 2.8 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.2 kn. The current sets 239°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 252°T, 1.6 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 7.5 kn. The current sets 166°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 094°T, 1.9 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 10.1 kn. The current sets 031°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
You are at 159°T, 2.8 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.3 kn. The current sets 231°T at 0.6 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
You are at 016°T, 2.8 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.3 kn. The current sets 217°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
You are at 225°T, 2.6 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 8.3 kn. The current sets 287°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 255 °T Speed over the ground: 10.1 kn Time to the mark: 30 min | No. 556001 (worked solution) |
| 2 | Course to steer: 216 °T Speed over the ground: 10.4 kn Time to the mark: 34 min | No. 556002 (worked solution) |
| 3 | Course to steer: 180 °T Speed over the ground: 8.6 kn Time to the mark: 22 min | No. 556003 (worked solution) |
| 4 | Course to steer: 281 °T Speed over the ground: 6.9 kn Time to the mark: 34 min | No. 556004 (worked solution) |
| 5 | Course to steer: 062 °T Speed over the ground: 12.3 kn Time to the mark: 12 min | No. 556005 (worked solution) |
| 6 | Course to steer: 294 °T Speed over the ground: 8.6 kn Time to the mark: 20 min | No. 556006 (worked solution) |
| 7 | Course to steer: 131 °T Speed over the ground: 11.5 kn Time to the mark: 28 min | No. 556007 (worked solution) |
| 8 | Course to steer: 306 °T Speed over the ground: 10.3 kn Time to the mark: 20 min | No. 556008 (worked solution) |