Worksheet 385 · Skill 6
Course to steer
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You are at 333°T, 1.2 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 10.1 kn. The current sets 315°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 045°T, 2.3 nm from Mill stack, bound for Green can "1". Your speed through the water is 7.4 kn. The current sets 341°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 040°T, 4.2 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 11.9 kn. The current sets 225°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 086°T, 2.3 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 8.5 kn. The current sets 274°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 027°T, 1.8 nm from Mill stack, bound for Green can "3". Your speed through the water is 6.9 kn. The current sets 119°T at 0.7 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 329°T, 2.4 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 10.8 kn. The current sets 238°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 083°T, 2.4 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.6 kn. The current sets 273°T at 0.7 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 034°T, 2.0 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 10.0 kn. The current sets 177°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: 278 °T Speed over the ground: 11.1 kn Time to the mark: 35 min | No. 385001 (worked solution) |
| 2 | Course to steer: 285 °T Speed over the ground: 8.3 kn Time to the mark: 27 min | No. 385002 (worked solution) |
| 3 | Course to steer: 133 °T Speed over the ground: 12.0 kn Time to the mark: 24 min | No. 385003 (worked solution) |
| 4 | Course to steer: 122 °T Speed over the ground: 7.1 kn Time to the mark: 21 min | No. 385004 (worked solution) |
| 5 | Course to steer: 342 °T Speed over the ground: 6.4 kn Time to the mark: 29 min | No. 385005 (worked solution) |
| 6 | Course to steer: 194 °T Speed over the ground: 12.6 kn Time to the mark: 23 min | No. 385006 (worked solution) |
| 7 | Course to steer: 004 °T Speed over the ground: 5.6 kn Time to the mark: 37 min | No. 385007 (worked solution) |
| 8 | Course to steer: 058 °T Speed over the ground: 9.5 kn Time to the mark: 18 min | No. 385008 (worked solution) |