Worksheet 29 · Skill 6
Course to steer
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You are at 029°T, 2.6 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 12.0 kn. The current sets 348°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 068°T, 3.2 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 5.2 kn. The current sets 015°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 298°T, 1.4 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 6.4 kn. The current sets 253°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 300°T, 1.5 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 8.8 kn. The current sets 212°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 298°T, 2.5 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.8 kn. The current sets 033°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 017°T, 1.2 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 7.0 kn. The current sets 175°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 051°T, 0.9 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.9 kn. The current sets 309°T at 0.7 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 031°T, 3.5 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.4 kn. The current sets 359°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 145 °T Speed over the ground: 10.1 kn Time to the mark: 28 min | No. 29001 (worked solution) |
| 2 | Course to steer: 161 °T Speed over the ground: 4.3 kn Time to the mark: 40 min | No. 29002 (worked solution) |
| 3 | Course to steer: 203 °T Speed over the ground: 7.5 kn Time to the mark: 36 min | No. 29003 (worked solution) |
| 4 | Course to steer: 262 °T Speed over the ground: 9.3 kn Time to the mark: 23 min | No. 29004 (worked solution) |
| 5 | Course to steer: 202 °T Speed over the ground: 4.4 kn Time to the mark: 61 min | No. 29005 (worked solution) |
| 6 | Course to steer: 052 °T Speed over the ground: 6.3 kn Time to the mark: 36 min | No. 29006 (worked solution) |
| 7 | Course to steer: 261 °T Speed over the ground: 8.4 kn Time to the mark: 40 min | No. 29007 (worked solution) |
| 8 | Course to steer: 164 °T Speed over the ground: 5.6 kn Time to the mark: 57 min | No. 29008 (worked solution) |