Worksheet 512 · Skill 6
Course to steer
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You are at 044°T, 1.3 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 5.9 kn. The current sets 300°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
You are at 060°T, 1.7 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 5.2 kn. The current sets 206°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 046°T, 3.5 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.4 kn. The current sets 021°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 021°T, 2.3 nm from Mill stack, bound for Red nun "2". Your speed through the water is 9.9 kn. The current sets 000°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 095°T, 1.4 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 10.6 kn. The current sets 301°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 129°T, 1.3 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 9.6 kn. The current sets 165°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 288°T, 3.2 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.5 kn. The current sets 052°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 027°T, 3.3 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.5 kn. The current sets 156°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 131 °T Speed over the ground: 3.9 kn Time to the mark: 63 min | No. 512001 (worked solution) |
| 2 | Course to steer: 304 °T Speed over the ground: 5.1 kn Time to the mark: 82 min | No. 512002 (worked solution) |
| 3 | Course to steer: 237 °T Speed over the ground: 4.6 kn Time to the mark: 81 min | No. 512003 (worked solution) |
| 4 | Course to steer: 301 °T Speed over the ground: 10.7 kn Time to the mark: 14 min | No. 512004 (worked solution) |
| 5 | Course to steer: 048 °T Speed over the ground: 10.2 kn Time to the mark: 22 min | No. 512005 (worked solution) |
| 6 | Course to steer: 257 °T Speed over the ground: 9.7 kn Time to the mark: 27 min | No. 512006 (worked solution) |
| 7 | Course to steer: 191 °T Speed over the ground: 5.1 kn Time to the mark: 48 min | No. 512007 (worked solution) |
| 8 | Course to steer: 125 °T Speed over the ground: 7.6 kn Time to the mark: 43 min | No. 512008 (worked solution) |