Worksheet 886 · Skill 6
Course to steer
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You are at 110°T, 1.8 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.0 kn. The current sets 168°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 032°T, 4.2 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.0 kn. The current sets 024°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 043°T, 4.6 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.9 kn. The current sets 302°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 078°T, 2.2 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 7.2 kn. The current sets 183°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 337°T, 1.2 nm from Heron Point Light, bound for Green can "1". Your speed through the water is 6.7 kn. The current sets 108°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 201°T, 1.7 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.4 kn. The current sets 129°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 019°T, 1.6 nm from Mill stack, bound for Green can "3". Your speed through the water is 8.3 kn. The current sets 075°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 058°T, 2.1 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 9.0 kn. The current sets 022°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 114 °T Speed over the ground: 8.2 kn Time to the mark: 18 min | No. 886001 (worked solution) |
| 2 | Course to steer: 158 °T Speed over the ground: 4.8 kn Time to the mark: 65 min | No. 886002 (worked solution) |
| 3 | Course to steer: 160 °T Speed over the ground: 10.4 kn Time to the mark: 28 min | No. 886003 (worked solution) |
| 4 | Course to steer: 054 °T Speed over the ground: 6.3 kn Time to the mark: 19 min | No. 886004 (worked solution) |
| 5 | Course to steer: 077 °T Speed over the ground: 8.0 kn Time to the mark: 17 min | No. 886005 (worked solution) |
| 6 | Course to steer: 295 °T Speed over the ground: 5.0 kn Time to the mark: 54 min | No. 886006 (worked solution) |
| 7 | Course to steer: 336 °T Speed over the ground: 8.3 kn Time to the mark: 23 min | No. 886007 (worked solution) |
| 8 | Course to steer: 156 °T Speed over the ground: 8.1 kn Time to the mark: 27 min | No. 886008 (worked solution) |