Worksheet 35 · Skill 6
Course to steer
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You are at 347°T, 1.1 nm from Heron Point Light, bound for Green can "1". Your speed through the water is 6.6 kn. The current sets 335°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 311°T, 2.9 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 7.3 kn. The current sets 250°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 036°T, 1.9 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 10.5 kn. The current sets 188°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 003°T, 2.3 nm from Mill stack, bound for Green can "3". Your speed through the water is 5.6 kn. The current sets 275°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 235°T, 1.6 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 7.2 kn. The current sets 233°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 300°T, 2.9 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.8 kn. The current sets 280°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 004°T, 2.2 nm from Mill stack, bound for Red nun "2". Your speed through the water is 6.3 kn. The current sets 160°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 305°T, 3.6 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.8 kn. The current sets 079°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 102 °T Speed over the ground: 5.5 kn Time to the mark: 23 min | No. 35001 (worked solution) |
| 2 | Course to steer: 154 °T Speed over the ground: 7.4 kn Time to the mark: 29 min | No. 35002 (worked solution) |
| 3 | Course to steer: 264 °T Speed over the ground: 11.4 kn Time to the mark: 36 min | No. 35003 (worked solution) |
| 4 | Course to steer: 025 °T Speed over the ground: 5.3 kn Time to the mark: 26 min | No. 35004 (worked solution) |
| 5 | Course to steer: 279 °T Speed over the ground: 7.8 kn Time to the mark: 31 min | No. 35005 (worked solution) |
| 6 | Course to steer: 160 °T Speed over the ground: 8.4 kn Time to the mark: 23 min | No. 35006 (worked solution) |
| 7 | Course to steer: 323 °T Speed over the ground: 5.0 kn Time to the mark: 24 min | No. 35007 (worked solution) |
| 8 | Course to steer: 197 °T Speed over the ground: 5.4 kn Time to the mark: 58 min | No. 35008 (worked solution) |