Worksheet 14 · Skill 6
Course to steer
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You are at 305°T, 2.6 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 7.5 kn. The current sets 341°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 007°T, 3.0 nm from Mill stack, bound for Green can "1". Your speed through the water is 7.6 kn. The current sets 025°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 135°T, 1.0 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.3 kn. The current sets 325°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 323°T, 3.1 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.1 kn. The current sets 118°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 055°T, 2.9 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 9.4 kn. The current sets 101°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 071°T, 3.2 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 7.7 kn. The current sets 260°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 358°T, 1.0 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 7.7 kn. The current sets 134°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 274°T, 2.9 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.3 kn. The current sets 010°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 186 °T Speed over the ground: 6.2 kn Time to the mark: 40 min | No. 14001 (worked solution) |
| 2 | Course to steer: 256 °T Speed over the ground: 6.4 kn Time to the mark: 20 min | No. 14002 (worked solution) |
| 3 | Course to steer: 274 °T Speed over the ground: 9.8 kn Time to the mark: 34 min | No. 14003 (worked solution) |
| 4 | Course to steer: 208 °T Speed over the ground: 9.3 kn Time to the mark: 38 min | No. 14004 (worked solution) |
| 5 | Course to steer: 152 °T Speed over the ground: 10.1 kn Time to the mark: 22 min | No. 14005 (worked solution) |
| 6 | Course to steer: 112 °T Speed over the ground: 6.2 kn Time to the mark: 29 min | No. 14006 (worked solution) |
| 7 | Course to steer: 289 °T Speed over the ground: 6.1 kn Time to the mark: 68 min | No. 14007 (worked solution) |
| 8 | Course to steer: 151 °T Speed over the ground: 7.5 kn Time to the mark: 17 min | No. 14008 (worked solution) |