Worksheet 88 · Skill 6
Course to steer
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You are at 040°T, 3.0 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 10.4 kn. The current sets 173°T at 1.2 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 345°T, 1.9 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.0 kn. The current sets 113°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 036°T, 1.4 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 6.0 kn. The current sets 144°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 019°T, 2.7 nm from Mill stack, bound for Green can "3". Your speed through the water is 5.5 kn. The current sets 272°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 255°T, 2.9 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 10.5 kn. The current sets 131°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 194°T, 0.9 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.1 kn. The current sets 228°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 014°T, 3.6 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.2 kn. The current sets 146°T at 2.5 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 027°T, 1.9 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 5.9 kn. The current sets 288°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 258 °T Speed over the ground: 10.6 kn Time to the mark: 40 min | No. 88001 (worked solution) |
| 2 | Course to steer: 217 °T Speed over the ground: 8.8 kn Time to the mark: 40 min | No. 88002 (worked solution) |
| 3 | Course to steer: 016 °T Speed over the ground: 5.3 kn Time to the mark: 34 min | No. 88003 (worked solution) |
| 4 | Course to steer: 002 °T Speed over the ground: 6.0 kn Time to the mark: 22 min | No. 88004 (worked solution) |
| 5 | Course to steer: 042 °T Speed over the ground: 10.6 kn Time to the mark: 38 min | No. 88005 (worked solution) |
| 6 | Course to steer: 285 °T Speed over the ground: 9.6 kn Time to the mark: 29 min | No. 88006 (worked solution) |
| 7 | Course to steer: 124 °T Speed over the ground: 8.6 kn Time to the mark: 43 min | No. 88007 (worked solution) |
| 8 | Course to steer: 129 °T Speed over the ground: 3.8 kn Time to the mark: 74 min | No. 88008 (worked solution) |