Worksheet 41 · Skill 6
Course to steer
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You are at 052°T, 2.9 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 10.6 kn. The current sets 129°T at 1.3 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 097°T, 1.8 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 12.0 kn. The current sets 156°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 216°T, 1.4 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 10.6 kn. The current sets 291°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 036°T, 2.6 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 10.4 kn. The current sets 102°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 327°T, 1.9 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 5.2 kn. The current sets 169°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 324°T, 1.4 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 10.4 kn. The current sets 155°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 041°T, 1.1 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.6 kn. The current sets 285°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 351°T, 2.2 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 6.9 kn. The current sets 161°T at 1.1 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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 261 °T Speed over the ground: 9.8 kn Time to the mark: 45 min | No. 41001 (worked solution) |
| 2 | Course to steer: 109 °T Speed over the ground: 13.5 kn Time to the mark: 12 min | No. 41002 (worked solution) |
| 3 | Course to steer: 231 °T Speed over the ground: 11.4 kn Time to the mark: 13 min | No. 41003 (worked solution) |
| 4 | Course to steer: 343 °T Speed over the ground: 9.7 kn Time to the mark: 29 min | No. 41004 (worked solution) |
| 5 | Course to steer: 057 °T Speed over the ground: 4.8 kn Time to the mark: 61 min | No. 41005 (worked solution) |
| 6 | Course to steer: 039 °T Speed over the ground: 9.7 kn Time to the mark: 25 min | No. 41006 (worked solution) |
| 7 | Course to steer: 256 °T Speed over the ground: 9.3 kn Time to the mark: 36 min | No. 41007 (worked solution) |
| 8 | Course to steer: 216 °T Speed over the ground: 7.6 kn Time to the mark: 43 min | No. 41008 (worked solution) |