Worksheet 119 · Skill 6
Course to steer
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You are at 015°T, 1.0 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 8.2 kn. The current sets 350°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 032°T, 1.7 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 8.6 kn. The current sets 055°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 088°T, 1.4 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 10.6 kn. The current sets 171°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 032°T, 3.7 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 5.4 kn. The current sets 089°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
You are at 264°T, 2.5 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 6.1 kn. The current sets 332°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 255°T, 1.8 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 7.9 kn. The current sets 227°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 176°T, 1.4 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.3 kn. The current sets 144°T at 1.0 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 213°T, 1.1 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 9.2 kn. The current sets 013°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 241 °T Speed over the ground: 7.8 kn Time to the mark: 40 min | No. 119001 (worked solution) |
| 2 | Course to steer: 283 °T Speed over the ground: 7.5 kn Time to the mark: 50 min | No. 119002 (worked solution) |
| 3 | Course to steer: 030 °T Speed over the ground: 9.1 kn Time to the mark: 24 min | No. 119003 (worked solution) |
| 4 | Course to steer: 142 °T Speed over the ground: 6.0 kn Time to the mark: 52 min | No. 119004 (worked solution) |
| 5 | Course to steer: 180 °T Speed over the ground: 4.4 kn Time to the mark: 32 min | No. 119005 (worked solution) |
| 6 | Course to steer: 207 °T Speed over the ground: 10.3 kn Time to the mark: 14 min | No. 119006 (worked solution) |
| 7 | Course to steer: 094 °T Speed over the ground: 8.0 kn Time to the mark: 27 min | No. 119007 (worked solution) |
| 8 | Course to steer: 299 °T Speed over the ground: 9.4 kn Time to the mark: 22 min | No. 119008 (worked solution) |