Worksheet 691 · Skill 6
Course to steer
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You are at 027°T, 2.4 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 12.0 kn. The current sets 132°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
You are at 059°T, 2.0 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 9.3 kn. The current sets 033°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 101°T, 2.1 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 5.0 kn. The current sets 206°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 347°T, 2.3 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 5.2 kn. The current sets 100°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 016°T, 2.3 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.1 kn. The current sets 298°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 071°T, 2.7 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 7.1 kn. The current sets 056°T at 2.0 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 016°T, 1.0 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 9.0 kn. The current sets 044°T at 2.0 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 105°T, 2.4 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.7 kn. The current sets 299°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 255 °T Speed over the ground: 11.4 kn Time to the mark: 33 min | No. 691001 (worked solution) |
| 2 | Course to steer: 144 °T Speed over the ground: 8.8 kn Time to the mark: 24 min | No. 691002 (worked solution) |
| 3 | Course to steer: 259 °T Speed over the ground: 6.0 kn Time to the mark: 55 min | No. 691003 (worked solution) |
| 4 | Course to steer: 234 °T Speed over the ground: 3.9 kn Time to the mark: 81 min | No. 691004 (worked solution) |
| 5 | Course to steer: 236 °T Speed over the ground: 8.2 kn Time to the mark: 43 min | No. 691005 (worked solution) |
| 6 | Course to steer: 128 °T Speed over the ground: 7.9 kn Time to the mark: 25 min | No. 691006 (worked solution) |
| 7 | Course to steer: 133 °T Speed over the ground: 9.3 kn Time to the mark: 30 min | No. 691007 (worked solution) |
| 8 | Course to steer: 092 °T Speed over the ground: 9.4 kn Time to the mark: 21 min | No. 691008 (worked solution) |