Worksheet 222 · Skill 6
Course to steer
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You are at 032°T, 2.2 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 5.5 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 201°T, 2.5 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 7.5 kn. The current sets 028°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
You are at 011°T, 1.2 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 8.8 kn. The current sets 215°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, 3.5 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.4 kn. The current sets 004°T at 1.5 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 038°T, 2.4 nm from Mill stack, bound for Bell buoy "HS". Your speed through the water is 6.7 kn. The current sets 069°T at 1.1 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 013°T, 2.8 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.4 kn. The current sets 106°T at 1.3 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, 1.6 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.7 kn. The current sets 052°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
You are at 024°T, 2.3 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 7.2 kn. The current sets 136°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 127 °T Speed over the ground: 4.3 kn Time to the mark: 69 min | No. 222001 (worked solution) |
| 2 | Course to steer: 061 °T Speed over the ground: 9.4 kn Time to the mark: 39 min | No. 222002 (worked solution) |
| 3 | Course to steer: 097 °T Speed over the ground: 8.2 kn Time to the mark: 41 min | No. 222003 (worked solution) |
| 4 | Course to steer: 139 °T Speed over the ground: 9.4 kn Time to the mark: 34 min | No. 222004 (worked solution) |
| 5 | Course to steer: 033 °T Speed over the ground: 7.6 kn Time to the mark: 56 min | No. 222005 (worked solution) |
| 6 | Course to steer: 142 °T Speed over the ground: 12.5 kn Time to the mark: 27 min | No. 222006 (worked solution) |
| 7 | Course to steer: 256 °T Speed over the ground: 4.8 kn Time to the mark: 28 min | No. 222007 (worked solution) |
| 8 | Course to steer: 286 °T Speed over the ground: 5.7 kn Time to the mark: 76 min | No. 222008 (worked solution) |