Worksheet 852 · Skill 6
Course to steer
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You are at 321°T, 1.9 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 9.9 kn. The current sets 006°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 056°T, 2.4 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 10.6 kn. The current sets 045°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 211°T, 0.8 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 5.0 kn. The current sets 210°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 335°T, 1.4 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.7 kn. The current sets 178°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 091°T, 2.4 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 11.9 kn. The current sets 084°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 310°T, 3.1 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 5.5 kn. The current sets 178°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 045°T, 2.1 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 10.3 kn. The current sets 317°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 042°T, 4.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 8.1 kn. The current sets 124°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 201 °T Speed over the ground: 8.3 kn Time to the mark: 32 min | No. 852001 (worked solution) |
| 2 | Course to steer: 357 °T Speed over the ground: 12.3 kn Time to the mark: 12 min | No. 852002 (worked solution) |
| 3 | Course to steer: 319 °T Speed over the ground: 4.7 kn Time to the mark: 44 min | No. 852003 (worked solution) |
| 4 | Course to steer: 229 °T Speed over the ground: 7.4 kn Time to the mark: 43 min | No. 852004 (worked solution) |
| 5 | Course to steer: 047 °T Speed over the ground: 13.0 kn Time to the mark: 10 min | No. 852005 (worked solution) |
| 6 | Course to steer: 166 °T Speed over the ground: 7.7 kn Time to the mark: 29 min | No. 852006 (worked solution) |
| 7 | Course to steer: 257 °T Speed over the ground: 11.1 kn Time to the mark: 27 min | No. 852007 (worked solution) |
| 8 | Course to steer: 169 °T Speed over the ground: 8.9 kn Time to the mark: 33 min | No. 852008 (worked solution) |