Worksheet 838 · Skill 6
Course to steer
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You are at 116°T, 1.7 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 11.4 kn. The current sets 306°T at 2.2 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 010°T, 1.5 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 7.8 kn. The current sets 103°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 017°T, 3.5 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 11.7 kn. The current sets 257°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 061°T, 1.6 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 7.9 kn. The current sets 338°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 209°T, 2.8 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.3 kn. The current sets 352°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 358°T, 3.1 nm from Mill stack, bound for Bell buoy "HS". Your speed through the water is 8.0 kn. The current sets 316°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 229°T, 2.0 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.0 kn. The current sets 208°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 318°T, 2.9 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 7.0 kn. The current sets 140°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 239 °T Speed over the ground: 12.4 kn Time to the mark: 23 min | No. 838001 (worked solution) |
| 2 | Course to steer: 266 °T Speed over the ground: 6.1 kn Time to the mark: 37 min | No. 838002 (worked solution) |
| 3 | Course to steer: 147 °T Speed over the ground: 11.3 kn Time to the mark: 32 min | No. 838003 (worked solution) |
| 4 | Course to steer: 267 °T Speed over the ground: 8.1 kn Time to the mark: 36 min | No. 838004 (worked solution) |
| 5 | Course to steer: 244 °T Speed over the ground: 7.0 kn Time to the mark: 20 min | No. 838005 (worked solution) |
| 6 | Course to steer: 071 °T Speed over the ground: 7.3 kn Time to the mark: 60 min | No. 838006 (worked solution) |
| 7 | Course to steer: 329 °T Speed over the ground: 5.5 kn Time to the mark: 33 min | No. 838007 (worked solution) |
| 8 | Course to steer: 188 °T Speed over the ground: 8.7 kn Time to the mark: 26 min | No. 838008 (worked solution) |