Worksheet 297 · Skill 6
Course to steer
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You are at 132°T, 1.0 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 7.3 kn. The current sets 244°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 039°T, 4.6 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 8.6 kn. The current sets 232°T at 1.6 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 307°T, 4.1 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 7.8 kn. The current sets 174°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 003°T, 1.0 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 5.9 kn. The current sets 206°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 052°T, 2.1 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 11.5 kn. The current sets 099°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 016°T, 2.4 nm from Mill stack, bound for Green can "3". Your speed through the water is 8.8 kn. The current sets 305°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 189°T, 1.7 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 8.0 kn. The current sets 237°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 117°T, 1.4 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 9.8 kn. The current sets 315°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 022 °T Speed over the ground: 6.8 kn Time to the mark: 42 min | No. 297001 (worked solution) |
| 2 | Course to steer: 162 °T Speed over the ground: 9.3 kn Time to the mark: 36 min | No. 297002 (worked solution) |
| 3 | Course to steer: 155 °T Speed over the ground: 9.7 kn Time to the mark: 27 min | No. 297003 (worked solution) |
| 4 | Course to steer: 100 °T Speed over the ground: 5.7 kn Time to the mark: 52 min | No. 297004 (worked solution) |
| 5 | Course to steer: 009 °T Speed over the ground: 11.5 kn Time to the mark: 13 min | No. 297005 (worked solution) |
| 6 | Course to steer: 352 °T Speed over the ground: 9.8 kn Time to the mark: 14 min | No. 297006 (worked solution) |
| 7 | Course to steer: 295 °T Speed over the ground: 8.5 kn Time to the mark: 34 min | No. 297007 (worked solution) |
| 8 | Course to steer: 266 °T Speed over the ground: 10.6 kn Time to the mark: 38 min | No. 297008 (worked solution) |