Worksheet 370 · Skill 6
Course to steer
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You are at 028°T, 2.1 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 7.2 kn. The current sets 044°T at 2.5 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 074°T, 2.5 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.3 kn. The current sets 337°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 073°T, 2.2 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.9 kn. The current sets 148°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 301°T, 1.0 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 5.9 kn. The current sets 170°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 218°T, 1.7 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 5.7 kn. The current sets 188°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 297°T, 1.6 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 10.4 kn. The current sets 272°T at 0.9 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 058°T, 2.9 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.5 kn. The current sets 286°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 312°T, 1.8 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 10.0 kn. The current sets 016°T at 2.2 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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 343 °T Speed over the ground: 8.7 kn Time to the mark: 34 min | No. 370001 (worked solution) |
| 2 | Course to steer: 115 °T Speed over the ground: 8.6 kn Time to the mark: 24 min | No. 370002 (worked solution) |
| 3 | Course to steer: 273 °T Speed over the ground: 7.2 kn Time to the mark: 58 min | No. 370003 (worked solution) |
| 4 | Course to steer: 272 °T Speed over the ground: 5.8 kn Time to the mark: 49 min | No. 370004 (worked solution) |
| 5 | Course to steer: 290 °T Speed over the ground: 5.6 kn Time to the mark: 47 min | No. 370005 (worked solution) |
| 6 | Course to steer: 205 °T Speed over the ground: 10.8 kn Time to the mark: 24 min | No. 370006 (worked solution) |
| 7 | Course to steer: 147 °T Speed over the ground: 6.1 kn Time to the mark: 37 min | No. 370007 (worked solution) |
| 8 | Course to steer: 101 °T Speed over the ground: 10.4 kn Time to the mark: 31 min | No. 370008 (worked solution) |