Worksheet 749 · Skill 6
Course to steer
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You are at 022°T, 1.9 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 11.0 kn. The current sets 269°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 080°T, 1.2 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 9.0 kn. The current sets 341°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 336°T, 1.4 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 10.5 kn. The current sets 291°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 297°T, 3.9 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 11.7 kn. The current sets 015°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 074°T, 3.5 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 8.5 kn. The current sets 332°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 303°T, 2.6 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 10.8 kn. The current sets 104°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 006°T, 1.0 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 10.2 kn. The current sets 354°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 291°T, 3.8 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.6 kn. The current sets 260°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 074 °T Speed over the ground: 8.6 kn Time to the mark: 22 min | No. 749001 (worked solution) |
| 2 | Course to steer: 134 °T Speed over the ground: 8.1 kn Time to the mark: 25 min | No. 749002 (worked solution) |
| 3 | Course to steer: 075 °T Speed over the ground: 9.3 kn Time to the mark: 30 min | No. 749003 (worked solution) |
| 4 | Course to steer: 156 °T Speed over the ground: 10.9 kn Time to the mark: 21 min | No. 749004 (worked solution) |
| 5 | Course to steer: 170 °T Speed over the ground: 7.0 kn Time to the mark: 26 min | No. 749005 (worked solution) |
| 6 | Course to steer: 201 °T Speed over the ground: 10.7 kn Time to the mark: 22 min | No. 749006 (worked solution) |
| 7 | Course to steer: 291 °T Speed over the ground: 11.3 kn Time to the mark: 31 min | No. 749007 (worked solution) |
| 8 | Course to steer: 156 °T Speed over the ground: 8.3 kn Time to the mark: 28 min | No. 749008 (worked solution) |