Worksheet 121 · 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 269°T, 3.5 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.0 kn. The current sets 188°T at 0.5 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 010°T, 2.9 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 8.0 kn. The current sets 302°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 090°T, 2.4 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 11.4 kn. The current sets 214°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 042°T, 3.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.6 kn. The current sets 081°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 285°T, 2.2 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 11.7 kn. The current sets 244°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 236°T, 2.4 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 8.7 kn. The current sets 082°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 064°T, 1.2 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 9.1 kn. The current sets 342°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 065°T, 3.9 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.0 kn. The current sets 227°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 128 °T Speed over the ground: 8.3 kn Time to the mark: 17 min | No. 121001 (worked solution) |
| 2 | Course to steer: 141 °T Speed over the ground: 6.1 kn Time to the mark: 57 min | No. 121002 (worked solution) |
| 3 | Course to steer: 002 °T Speed over the ground: 10.0 kn Time to the mark: 23 min | No. 121003 (worked solution) |
| 4 | Course to steer: 156 °T Speed over the ground: 11.8 kn Time to the mark: 22 min | No. 121004 (worked solution) |
| 5 | Course to steer: 189 °T Speed over the ground: 12.9 kn Time to the mark: 15 min | No. 121005 (worked solution) |
| 6 | Course to steer: 290 °T Speed over the ground: 7.4 kn Time to the mark: 25 min | No. 121006 (worked solution) |
| 7 | Course to steer: 027 °T Speed over the ground: 10.7 kn Time to the mark: 19 min | No. 121007 (worked solution) |
| 8 | Course to steer: 157 °T Speed over the ground: 11.8 kn Time to the mark: 16 min | No. 121008 (worked solution) |