Worksheet 13 · Skill 6
Course to steer
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You are at 275°T, 3.5 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 6.1 kn. The current sets 125°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 062°T, 2.2 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 7.6 kn. The current sets 124°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 203°T, 2.2 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 5.7 kn. The current sets 046°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 000°T, 1.9 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.4 kn. The current sets 013°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 307°T, 2.9 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 6.8 kn. The current sets 033°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
You are at 315°T, 2.5 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 6.5 kn. The current sets 139°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 053°T, 1.5 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 11.0 kn. The current sets 237°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 322°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 134°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 177 °T Speed over the ground: 6.8 kn Time to the mark: 25 min | No. 13001 (worked solution) |
| 2 | Course to steer: 001 °T Speed over the ground: 7.2 kn Time to the mark: 23 min | No. 13002 (worked solution) |
| 3 | Course to steer: 265 °T Speed over the ground: 4.1 kn Time to the mark: 70 min | No. 13003 (worked solution) |
| 4 | Course to steer: 212 °T Speed over the ground: 7.8 kn Time to the mark: 47 min | No. 13004 (worked solution) |
| 5 | Course to steer: 184 °T Speed over the ground: 4.9 kn Time to the mark: 42 min | No. 13005 (worked solution) |
| 6 | Course to steer: 183 °T Speed over the ground: 7.0 kn Time to the mark: 29 min | No. 13006 (worked solution) |
| 7 | Course to steer: 127 °T Speed over the ground: 10.5 kn Time to the mark: 22 min | No. 13007 (worked solution) |
| 8 | Course to steer: 269 °T Speed over the ground: 6.4 kn Time to the mark: 39 min | No. 13008 (worked solution) |