Worksheet 337 · Skill 6
Course to steer
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You are at 013°T, 1.1 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 5.5 kn. The current sets 224°T at 1.3 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 050°T, 1.5 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 8.0 kn. The current sets 234°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 030°T, 2.1 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.6 kn. The current sets 269°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 137°T, 1.6 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.2 kn. The current sets 127°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 064°T, 2.5 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 7.3 kn. The current sets 127°T at 1.3 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 250°T, 2.2 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 10.0 kn. The current sets 083°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 253°T, 2.5 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 10.2 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
You are at 301°T, 2.2 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 5.1 kn. The current sets 108°T at 1.3 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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 299 °T Speed over the ground: 6.0 kn Time to the mark: 68 min | No. 337001 (worked solution) |
| 2 | Course to steer: 001 °T Speed over the ground: 7.5 kn Time to the mark: 47 min | No. 337002 (worked solution) |
| 3 | Course to steer: 248 °T Speed over the ground: 9.8 kn Time to the mark: 38 min | No. 337003 (worked solution) |
| 4 | Course to steer: 072 °T Speed over the ground: 7.2 kn Time to the mark: 38 min | No. 337004 (worked solution) |
| 5 | Course to steer: 029 °T Speed over the ground: 7.2 kn Time to the mark: 19 min | No. 337005 (worked solution) |
| 6 | Course to steer: 308 °T Speed over the ground: 8.5 kn Time to the mark: 15 min | No. 337006 (worked solution) |
| 7 | Course to steer: 269 °T Speed over the ground: 10.1 kn Time to the mark: 18 min | No. 337007 (worked solution) |
| 8 | Course to steer: 190 °T Speed over the ground: 5.4 kn Time to the mark: 30 min | No. 337008 (worked solution) |