Worksheet 813 · Skill 6
Course to steer
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You are at 024°T, 2.2 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 9.1 kn. The current sets 269°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
You are at 301°T, 4.0 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.5 kn. The current sets 044°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 355°T, 1.8 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 10.1 kn. The current sets 345°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 265°T, 2.8 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 5.9 kn. The current sets 118°T at 0.5 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 022°T, 1.4 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 6.5 kn. The current sets 072°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
You are at 311°T, 3.1 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 9.2 kn. The current sets 046°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 002°T, 2.0 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 7.8 kn. The current sets 024°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 204°T, 1.7 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 11.9 kn. The current sets 288°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: 003 °T Speed over the ground: 9.1 kn Time to the mark: 32 min | No. 813001 (worked solution) |
| 2 | Course to steer: 190 °T Speed over the ground: 7.9 kn Time to the mark: 39 min | No. 813002 (worked solution) |
| 3 | Course to steer: 289 °T Speed over the ground: 10.8 kn Time to the mark: 29 min | No. 813003 (worked solution) |
| 4 | Course to steer: 190 °T Speed over the ground: 6.1 kn Time to the mark: 22 min | No. 813004 (worked solution) |
| 5 | Course to steer: 151 °T Speed over the ground: 7.1 kn Time to the mark: 39 min | No. 813005 (worked solution) |
| 6 | Course to steer: 196 °T Speed over the ground: 7.4 kn Time to the mark: 37 min | No. 813006 (worked solution) |
| 7 | Course to steer: 130 °T Speed over the ground: 7.5 kn Time to the mark: 49 min | No. 813007 (worked solution) |
| 8 | Course to steer: 245 °T Speed over the ground: 12.6 kn Time to the mark: 12 min | No. 813008 (worked solution) |