Worksheet 424 · Skill 6
Course to steer
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You are at 059°T, 1.3 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 5.1 kn. The current sets 176°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 352°T, 1.6 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 8.0 kn. The current sets 034°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 144°T, 1.0 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 7.5 kn. The current sets 299°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 227°T, 2.5 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 9.8 kn. The current sets 254°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 146°T, 1.6 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 8.9 kn. The current sets 258°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 017°T, 1.9 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 6.7 kn. The current sets 047°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 322°T, 1.7 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 10.0 kn. The current sets 178°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 309°T, 2.3 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 9.4 kn. The current sets 262°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 027 °T Speed over the ground: 3.3 kn Time to the mark: 62 min | No. 424001 (worked solution) |
| 2 | Course to steer: 005 °T Speed over the ground: 9.9 kn Time to the mark: 32 min | No. 424002 (worked solution) |
| 3 | Course to steer: 264 °T Speed over the ground: 9.6 kn Time to the mark: 38 min | No. 424003 (worked solution) |
| 4 | Course to steer: 294 °T Speed over the ground: 11.4 kn Time to the mark: 20 min | No. 424004 (worked solution) |
| 5 | Course to steer: 100 °T Speed over the ground: 7.6 kn Time to the mark: 23 min | No. 424005 (worked solution) |
| 6 | Course to steer: 271 °T Speed over the ground: 6.3 kn Time to the mark: 70 min | No. 424006 (worked solution) |
| 7 | Course to steer: 300 °T Speed over the ground: 9.0 kn Time to the mark: 36 min | No. 424007 (worked solution) |
| 8 | Course to steer: 174 °T Speed over the ground: 9.5 kn Time to the mark: 19 min | No. 424008 (worked solution) |