Worksheet 586 · Skill 6
Course to steer
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You are at 035°T, 1.1 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 8.8 kn. The current sets 337°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 046°T, 3.0 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 6.1 kn. The current sets 215°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 207°T, 2.3 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.1 kn. The current sets 237°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 290°T, 1.4 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 9.9 kn. The current sets 077°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 036°T, 2.4 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 8.7 kn. The current sets 171°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
You are at 186°T, 1.5 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 11.8 kn. The current sets 234°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 228°T, 1.6 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.9 kn. The current sets 202°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 106°T, 2.3 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.1 kn. The current sets 021°T at 0.9 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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 065 °T Speed over the ground: 8.9 kn Time to the mark: 25 min | No. 586001 (worked solution) |
| 2 | Course to steer: 145 °T Speed over the ground: 6.9 kn Time to the mark: 38 min | No. 586002 (worked solution) |
| 3 | Course to steer: 306 °T Speed over the ground: 9.7 kn Time to the mark: 27 min | No. 586003 (worked solution) |
| 4 | Course to steer: 217 °T Speed over the ground: 8.7 kn Time to the mark: 24 min | No. 586004 (worked solution) |
| 5 | Course to steer: 259 °T Speed over the ground: 8.8 kn Time to the mark: 44 min | No. 586005 (worked solution) |
| 6 | Course to steer: 297 °T Speed over the ground: 13.0 kn Time to the mark: 22 min | No. 586006 (worked solution) |
| 7 | Course to steer: 236 °T Speed over the ground: 11.9 kn Time to the mark: 16 min | No. 586007 (worked solution) |
| 8 | Course to steer: 096 °T Speed over the ground: 6.4 kn Time to the mark: 32 min | No. 586008 (worked solution) |