Worksheet 460 · Skill 6
Course to steer
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You are at 261°T, 1.1 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 8.2 kn. The current sets 160°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 072°T, 2.9 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.9 kn. The current sets 181°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
You are at 270°T, 2.5 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.0 kn. The current sets 337°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 008°T, 2.7 nm from Mill stack, bound for Bell buoy "HS". Your speed through the water is 7.2 kn. The current sets 289°T at 0.5 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 060°T, 1.4 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 5.0 kn. The current sets 010°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 321°T, 2.4 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.3 kn. The current sets 332°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
You are at 051°T, 2.7 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.9 kn. The current sets 264°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 133°T, 1.3 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 7.7 kn. The current sets 341°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 268 °T Speed over the ground: 8.0 kn Time to the mark: 32 min | No. 460001 (worked solution) |
| 2 | Course to steer: 107 °T Speed over the ground: 10.5 kn Time to the mark: 18 min | No. 460002 (worked solution) |
| 3 | Course to steer: 262 °T Speed over the ground: 9.5 kn Time to the mark: 15 min | No. 460003 (worked solution) |
| 4 | Course to steer: 052 °T Speed over the ground: 6.9 kn Time to the mark: 63 min | No. 460004 (worked solution) |
| 5 | Course to steer: 105 °T Speed over the ground: 5.4 kn Time to the mark: 32 min | No. 460005 (worked solution) |
| 6 | Course to steer: 176 °T Speed over the ground: 6.5 kn Time to the mark: 32 min | No. 460006 (worked solution) |
| 7 | Course to steer: 152 °T Speed over the ground: 7.7 kn Time to the mark: 31 min | No. 460007 (worked solution) |
| 8 | Course to steer: 113 °T Speed over the ground: 6.4 kn Time to the mark: 32 min | No. 460008 (worked solution) |