Worksheet 833 · Skill 6
Course to steer
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You are at 038°T, 4.5 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 11.1 kn. The current sets 223°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 298°T, 1.3 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 11.3 kn. The current sets 054°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 042°T, 2.3 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.0 kn. The current sets 116°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 348°T, 1.5 nm from Mill stack, bound for Green can "3". Your speed through the water is 11.6 kn. The current sets 154°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 084°T, 1.7 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 9.8 kn. The current sets 057°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 301°T, 4.0 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 6.3 kn. The current sets 029°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 003°T, 0.8 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.4 kn. The current sets 348°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 331°T, 1.8 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 7.3 kn. The current sets 113°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 135 °T Speed over the ground: 11.3 kn Time to the mark: 26 min | No. 833001 (worked solution) |
| 2 | Course to steer: 256 °T Speed over the ground: 9.3 kn Time to the mark: 24 min | No. 833002 (worked solution) |
| 3 | Course to steer: 270 °T Speed over the ground: 4.1 kn Time to the mark: 97 min | No. 833003 (worked solution) |
| 4 | Course to steer: 001 °T Speed over the ground: 9.5 kn Time to the mark: 20 min | No. 833004 (worked solution) |
| 5 | Course to steer: 130 °T Speed over the ground: 10.4 kn Time to the mark: 18 min | No. 833005 (worked solution) |
| 6 | Course to steer: 170 °T Speed over the ground: 4.8 kn Time to the mark: 50 min | No. 833006 (worked solution) |
| 7 | Course to steer: 252 °T Speed over the ground: 5.4 kn Time to the mark: 55 min | No. 833007 (worked solution) |
| 8 | Course to steer: 198 °T Speed over the ground: 7.4 kn Time to the mark: 27 min | No. 833008 (worked solution) |