Worksheet 666 · Skill 6
Course to steer
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You are at 297°T, 1.7 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 11.9 kn. The current sets 088°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 064°T, 1.4 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 11.2 kn. The current sets 104°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 089°T, 1.7 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 9.1 kn. The current sets 074°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 333°T, 2.3 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.0 kn. The current sets 231°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 017°T, 2.2 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.5 kn. The current sets 211°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 178°T, 1.3 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 9.0 kn. The current sets 029°T at 1.6 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 041°T, 3.0 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 7.9 kn. The current sets 159°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 353°T, 0.9 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 12.0 kn. The current sets 015°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 047 °T Speed over the ground: 13.0 kn Time to the mark: 22 min | No. 666001 (worked solution) |
| 2 | Course to steer: 041 °T Speed over the ground: 11.9 kn Time to the mark: 17 min | No. 666002 (worked solution) |
| 3 | Course to steer: 129 °T Speed over the ground: 10.6 kn Time to the mark: 17 min | No. 666003 (worked solution) |
| 4 | Course to steer: 202 °T Speed over the ground: 10.5 kn Time to the mark: 33 min | No. 666004 (worked solution) |
| 5 | Course to steer: 125 °T Speed over the ground: 11.8 kn Time to the mark: 26 min | No. 666005 (worked solution) |
| 6 | Course to steer: 242 °T Speed over the ground: 7.7 kn Time to the mark: 25 min | No. 666006 (worked solution) |
| 7 | Course to steer: 106 °T Speed over the ground: 9.2 kn Time to the mark: 15 min | No. 666007 (worked solution) |
| 8 | Course to steer: 247 °T Speed over the ground: 11.0 kn Time to the mark: 30 min | No. 666008 (worked solution) |