Worksheet 516 · Skill 6
Course to steer
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You are at 038°T, 1.6 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.7 kn. The current sets 063°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 005°T, 2.3 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 8.0 kn. The current sets 018°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 063°T, 3.3 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 11.3 kn. The current sets 345°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 119°T, 1.5 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 6.7 kn. The current sets 159°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 067°T, 2.0 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 6.8 kn. The current sets 015°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 319°T, 1.3 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 5.9 kn. The current sets 163°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 294°T, 3.6 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 9.5 kn. The current sets 301°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 154°T, 2.8 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.9 kn. The current sets 003°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 253 °T Speed over the ground: 4.4 kn Time to the mark: 80 min | No. 516001 (worked solution) |
| 2 | Course to steer: 154 °T Speed over the ground: 6.7 kn Time to the mark: 50 min | No. 516002 (worked solution) |
| 3 | Course to steer: 253 °T Speed over the ground: 11.5 kn Time to the mark: 34 min | No. 516003 (worked solution) |
| 4 | Course to steer: 033 °T Speed over the ground: 5.6 kn Time to the mark: 36 min | No. 516004 (worked solution) |
| 5 | Course to steer: 254 °T Speed over the ground: 6.5 kn Time to the mark: 68 min | No. 516005 (worked solution) |
| 6 | Course to steer: 010 °T Speed over the ground: 4.9 kn Time to the mark: 75 min | No. 516006 (worked solution) |
| 7 | Course to steer: 146 °T Speed over the ground: 7.7 kn Time to the mark: 27 min | No. 516007 (worked solution) |
| 8 | Course to steer: 278 °T Speed over the ground: 9.2 kn Time to the mark: 20 min | No. 516008 (worked solution) |