Worksheet 673 · Skill 6
Course to steer
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You are at 113°T, 1.8 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 10.3 kn. The current sets 039°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 024°T, 2.6 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 8.6 kn. The current sets 342°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 294°T, 4.2 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 6.0 kn. The current sets 286°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 061°T, 3.3 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 9.3 kn. The current sets 138°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 235°T, 1.9 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 10.2 kn. The current sets 322°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 300°T, 3.9 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.6 kn. The current sets 212°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 077°T, 1.4 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.1 kn. The current sets 116°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 102°T, 1.6 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.5 kn. The current sets 005°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 265 °T Speed over the ground: 9.4 kn Time to the mark: 45 min | No. 673001 (worked solution) |
| 2 | Course to steer: 129 °T Speed over the ground: 7.4 kn Time to the mark: 44 min | No. 673002 (worked solution) |
| 3 | Course to steer: 162 °T Speed over the ground: 5.6 kn Time to the mark: 46 min | No. 673003 (worked solution) |
| 4 | Course to steer: 172 °T Speed over the ground: 10.6 kn Time to the mark: 21 min | No. 673004 (worked solution) |
| 5 | Course to steer: 218 °T Speed over the ground: 9.9 kn Time to the mark: 17 min | No. 673005 (worked solution) |
| 6 | Course to steer: 141 °T Speed over the ground: 9.7 kn Time to the mark: 24 min | No. 673006 (worked solution) |
| 7 | Course to steer: 096 °T Speed over the ground: 8.0 kn Time to the mark: 32 min | No. 673007 (worked solution) |
| 8 | Course to steer: 102 °T Speed over the ground: 10.4 kn Time to the mark: 23 min | No. 673008 (worked solution) |