Worksheet 457 · Skill 6
Course to steer
Plot Pass worksheet. Plot Pass $1.95/month or $19.50/year · Free during preview. Plotroom · cedarpointmarina.net · invented chart, not for navigation.
You are at 328°T, 1.0 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.8 kn. The current sets 036°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 143°T, 1.2 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 12.0 kn. The current sets 048°T at 1.7 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 048°T, 3.2 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.7 kn. The current sets 323°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 029°T, 2.9 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.1 kn. The current sets 146°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
You are at 156°T, 1.1 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.0 kn. The current sets 188°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 358°T, 1.1 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 6.7 kn. The current sets 312°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 268°T, 1.7 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.5 kn. The current sets 217°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 044°T, 4.5 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.3 kn. The current sets 086°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 247 °T Speed over the ground: 5.9 kn Time to the mark: 45 min | No. 457001 (worked solution) |
| 2 | Course to steer: 116 °T Speed over the ground: 12.7 kn Time to the mark: 15 min | No. 457002 (worked solution) |
| 3 | Course to steer: 245 °T Speed over the ground: 7.0 kn Time to the mark: 64 min | No. 457003 (worked solution) |
| 4 | Course to steer: 268 °T Speed over the ground: 5.3 kn Time to the mark: 76 min | No. 457004 (worked solution) |
| 5 | Course to steer: 072 °T Speed over the ground: 8.3 kn Time to the mark: 37 min | No. 457005 (worked solution) |
| 6 | Course to steer: 282 °T Speed over the ground: 7.9 kn Time to the mark: 49 min | No. 457006 (worked solution) |
| 7 | Course to steer: 278 °T Speed over the ground: 10.3 kn Time to the mark: 18 min | No. 457007 (worked solution) |
| 8 | Course to steer: 177 °T Speed over the ground: 11.5 kn Time to the mark: 25 min | No. 457008 (worked solution) |