Worksheet 33 · Skill 6
Course to steer
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You are at 036°T, 4.3 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.1 kn. The current sets 005°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 295°T, 4.0 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.0 kn. The current sets 226°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 036°T, 1.3 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.0 kn. The current sets 194°T at 0.6 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 244°T, 2.2 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 12.0 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 025°T, 2.0 nm from Mill stack, bound for Red nun "2". Your speed through the water is 10.1 kn. The current sets 216°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 273°T, 2.1 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 10.0 kn. The current sets 324°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 298°T, 3.6 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 11.8 kn. The current sets 099°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 130°T, 1.6 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 11.5 kn. The current sets 077°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: 174 °T Speed over the ground: 4.7 kn Time to the mark: 72 min | No. 33001 (worked solution) |
| 2 | Course to steer: 163 °T Speed over the ground: 8.7 kn Time to the mark: 29 min | No. 33002 (worked solution) |
| 3 | Course to steer: 104 °T Speed over the ground: 9.0 kn Time to the mark: 34 min | No. 33003 (worked solution) |
| 4 | Course to steer: 046 °T Speed over the ground: 12.5 kn Time to the mark: 30 min | No. 33004 (worked solution) |
| 5 | Course to steer: 323 °T Speed over the ground: 9.7 kn Time to the mark: 17 min | No. 33005 (worked solution) |
| 6 | Course to steer: 195 °T Speed over the ground: 9.5 kn Time to the mark: 18 min | No. 33006 (worked solution) |
| 7 | Course to steer: 190 °T Speed over the ground: 11.8 kn Time to the mark: 24 min | No. 33007 (worked solution) |
| 8 | Course to steer: 275 °T Speed over the ground: 9.2 kn Time to the mark: 40 min | No. 33008 (worked solution) |