Worksheet 360 · Skill 6
Course to steer
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You are at 049°T, 2.9 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 11.2 kn. The current sets 226°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 296°T, 2.1 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 12.0 kn. The current sets 184°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 019°T, 1.4 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 6.1 kn. The current sets 038°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 167°T, 1.6 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.2 kn. The current sets 129°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
You are at 323°T, 2.5 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 9.5 kn. The current sets 250°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 040°T, 4.7 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.2 kn. The current sets 207°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 104°T, 1.6 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.8 kn. The current sets 030°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 143°T, 3.5 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 5.5 kn. The current sets 191°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: 264 °T Speed over the ground: 12.4 kn Time to the mark: 28 min | No. 360001 (worked solution) |
| 2 | Course to steer: 298 °T Speed over the ground: 11.3 kn Time to the mark: 27 min | No. 360002 (worked solution) |
| 3 | Course to steer: 071 °T Speed over the ground: 7.5 kn Time to the mark: 29 min | No. 360003 (worked solution) |
| 4 | Course to steer: 273 °T Speed over the ground: 7.5 kn Time to the mark: 17 min | No. 360004 (worked solution) |
| 5 | Course to steer: 179 °T Speed over the ground: 9.8 kn Time to the mark: 22 min | No. 360005 (worked solution) |
| 6 | Course to steer: 139 °T Speed over the ground: 10.0 kn Time to the mark: 29 min | No. 360006 (worked solution) |
| 7 | Course to steer: 139 °T Speed over the ground: 7.4 kn Time to the mark: 22 min | No. 360007 (worked solution) |
| 8 | Course to steer: 051 °T Speed over the ground: 4.8 kn Time to the mark: 32 min | No. 360008 (worked solution) |