Worksheet 638 · 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 121°T, 1.3 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 10.1 kn. The current sets 328°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 078°T, 2.2 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 7.9 kn. The current sets 062°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 136°T, 1.6 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 6.0 kn. The current sets 041°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 062°T, 2.3 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 8.5 kn. The current sets 050°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 024°T, 2.7 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 5.9 kn. The current sets 074°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 028°T, 1.7 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.0 kn. The current sets 356°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 028°T, 2.8 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 8.0 kn. The current sets 015°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 131°T, 1.9 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 6.9 kn. The current sets 048°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 023 °T Speed over the ground: 11.6 kn Time to the mark: 24 min | No. 638001 (worked solution) |
| 2 | Course to steer: 116 °T Speed over the ground: 9.2 kn Time to the mark: 23 min | No. 638002 (worked solution) |
| 3 | Course to steer: 122 °T Speed over the ground: 6.4 kn Time to the mark: 25 min | No. 638003 (worked solution) |
| 4 | Course to steer: 359 °T Speed over the ground: 9.1 kn Time to the mark: 18 min | No. 638004 (worked solution) |
| 5 | Course to steer: 170 °T Speed over the ground: 6.1 kn Time to the mark: 51 min | No. 638005 (worked solution) |
| 6 | Course to steer: 136 °T Speed over the ground: 9.8 kn Time to the mark: 28 min | No. 638006 (worked solution) |
| 7 | Course to steer: 132 °T Speed over the ground: 7.6 kn Time to the mark: 41 min | No. 638007 (worked solution) |
| 8 | Course to steer: 120 °T Speed over the ground: 7.5 kn Time to the mark: 19 min | No. 638008 (worked solution) |