Worksheet 659 · Skill 6
Course to steer
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You are at 309°T, 3.6 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.2 kn. The current sets 246°T at 0.8 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 197°T, 1.5 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 5.3 kn. The current sets 182°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 094°T, 2.3 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.0 kn. The current sets 101°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 338°T, 1.1 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 9.7 kn. The current sets 350°T at 2.1 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 056°T, 2.6 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 8.1 kn. The current sets 269°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 275°T, 1.8 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 5.6 kn. The current sets 156°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 014°T, 2.5 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 11.7 kn. The current sets 084°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 292°T, 2.2 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 11.7 kn. The current sets 281°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 184 °T Speed over the ground: 8.6 kn Time to the mark: 38 min | No. 659001 (worked solution) |
| 2 | Course to steer: 304 °T Speed over the ground: 4.5 kn Time to the mark: 66 min | No. 659002 (worked solution) |
| 3 | Course to steer: 338 °T Speed over the ground: 4.3 kn Time to the mark: 55 min | No. 659003 (worked solution) |
| 4 | Course to steer: 083 °T Speed over the ground: 9.8 kn Time to the mark: 18 min | No. 659004 (worked solution) |
| 5 | Course to steer: 141 °T Speed over the ground: 7.0 kn Time to the mark: 33 min | No. 659005 (worked solution) |
| 6 | Course to steer: 271 °T Speed over the ground: 5.2 kn Time to the mark: 43 min | No. 659006 (worked solution) |
| 7 | Course to steer: 148 °T Speed over the ground: 12.0 kn Time to the mark: 27 min | No. 659007 (worked solution) |
| 8 | Course to steer: 165 °T Speed over the ground: 11.1 kn Time to the mark: 13 min | No. 659008 (worked solution) |