Worksheet 564 · Skill 6
Course to steer
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You are at 086°T, 1.2 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 9.2 kn. The current sets 227°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 050°T, 1.4 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 11.5 kn. The current sets 013°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 002°T, 1.5 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.5 kn. The current sets 304°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 031°T, 2.0 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 6.8 kn. The current sets 106°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 064°T, 3.0 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.1 kn. The current sets 212°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 358°T, 1.6 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 5.7 kn. The current sets 317°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 093°T, 2.8 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.5 kn. The current sets 196°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 268°T, 3.4 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 10.8 kn. The current sets 303°T at 1.0 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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 102 °T Speed over the ground: 8.1 kn Time to the mark: 25 min | No. 564001 (worked solution) |
| 2 | Course to steer: 085 °T Speed over the ground: 11.7 kn Time to the mark: 15 min | No. 564002 (worked solution) |
| 3 | Course to steer: 241 °T Speed over the ground: 10.9 kn Time to the mark: 28 min | No. 564003 (worked solution) |
| 4 | Course to steer: 343 °T Speed over the ground: 6.0 kn Time to the mark: 51 min | No. 564004 (worked solution) |
| 5 | Course to steer: 114 °T Speed over the ground: 9.0 kn Time to the mark: 23 min | No. 564005 (worked solution) |
| 6 | Course to steer: 114 °T Speed over the ground: 5.1 kn Time to the mark: 71 min | No. 564006 (worked solution) |
| 7 | Course to steer: 145 °T Speed over the ground: 8.7 kn Time to the mark: 14 min | No. 564007 (worked solution) |
| 8 | Course to steer: 167 °T Speed over the ground: 10.1 kn Time to the mark: 14 min | No. 564008 (worked solution) |