Worksheet 394 · Skill 6
Course to steer
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You are at 018°T, 2.3 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 7.5 kn. The current sets 149°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 280°T, 3.2 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.0 kn. The current sets 042°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 213°T, 2.8 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.2 kn. The current sets 052°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 316°T, 2.3 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 7.2 kn. The current sets 217°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 049°T, 2.2 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 8.7 kn. The current sets 135°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 346°T, 2.8 nm from Mill stack, bound for Green can "3". Your speed through the water is 8.5 kn. The current sets 140°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 079°T, 3.5 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.0 kn. The current sets 016°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 242°T, 1.7 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 12.0 kn. The current sets 331°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 257 °T Speed over the ground: 7.2 kn Time to the mark: 56 min | No. 394001 (worked solution) |
| 2 | Course to steer: 157 °T Speed over the ground: 7.5 kn Time to the mark: 21 min | No. 394002 (worked solution) |
| 3 | Course to steer: 246 °T Speed over the ground: 7.0 kn Time to the mark: 19 min | No. 394003 (worked solution) |
| 4 | Course to steer: 194 °T Speed over the ground: 9.1 kn Time to the mark: 29 min | No. 394004 (worked solution) |
| 5 | Course to steer: 083 °T Speed over the ground: 10.3 kn Time to the mark: 14 min | No. 394005 (worked solution) |
| 6 | Course to steer: 019 °T Speed over the ground: 8.2 kn Time to the mark: 15 min | No. 394006 (worked solution) |
| 7 | Course to steer: 133 °T Speed over the ground: 8.2 kn Time to the mark: 18 min | No. 394007 (worked solution) |
| 8 | Course to steer: 280 °T Speed over the ground: 12.6 kn Time to the mark: 16 min | No. 394008 (worked solution) |