Worksheet 298 · Skill 6
Course to steer
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You are at 052°T, 1.4 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.2 kn. The current sets 049°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 259°T, 1.4 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 7.0 kn. The current sets 218°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 038°T, 4.3 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.3 kn. The current sets 072°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 173°T, 1.5 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 7.2 kn. The current sets 279°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 270°T, 3.2 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.7 kn. The current sets 296°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 285°T, 2.3 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 11.1 kn. The current sets 153°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 063°T, 2.7 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 11.1 kn. The current sets 296°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 279°T, 3.6 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 10.4 kn. The current sets 258°T at 1.8 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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 250 °T Speed over the ground: 4.0 kn Time to the mark: 89 min | No. 298001 (worked solution) |
| 2 | Course to steer: 311 °T Speed over the ground: 7.1 kn Time to the mark: 21 min | No. 298002 (worked solution) |
| 3 | Course to steer: 172 °T Speed over the ground: 11.1 kn Time to the mark: 27 min | No. 298003 (worked solution) |
| 4 | Course to steer: 307 °T Speed over the ground: 8.4 kn Time to the mark: 31 min | No. 298004 (worked solution) |
| 5 | Course to steer: 171 °T Speed over the ground: 8.3 kn Time to the mark: 18 min | No. 298005 (worked solution) |
| 6 | Course to steer: 209 °T Speed over the ground: 12.5 kn Time to the mark: 19 min | No. 298006 (worked solution) |
| 7 | Course to steer: 050 °T Speed over the ground: 10.4 kn Time to the mark: 12 min | No. 298007 (worked solution) |
| 8 | Course to steer: 160 °T Speed over the ground: 10.3 kn Time to the mark: 18 min | No. 298008 (worked solution) |