Worksheet 643 · 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 138°T, 0.8 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 6.5 kn. The current sets 169°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 126°T, 1.0 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 8.5 kn. The current sets 083°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 051°T, 3.8 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 9.0 kn. The current sets 254°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 333°T, 1.8 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.4 kn. The current sets 244°T at 1.1 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 119°T, 2.1 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.3 kn. The current sets 130°T at 1.9 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 348°T, 1.5 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 6.9 kn. The current sets 206°T at 1.9 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 088°T, 3.5 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 11.6 kn. The current sets 145°T at 1.4 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 031°T, 4.1 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.6 kn. The current sets 348°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 292 °T Speed over the ground: 5.5 kn Time to the mark: 64 min | No. 643001 (worked solution) |
| 2 | Course to steer: 013 °T Speed over the ground: 8.8 kn Time to the mark: 32 min | No. 643002 (worked solution) |
| 3 | Course to steer: 155 °T Speed over the ground: 8.9 kn Time to the mark: 27 min | No. 643003 (worked solution) |
| 4 | Course to steer: 204 °T Speed over the ground: 9.3 kn Time to the mark: 30 min | No. 643004 (worked solution) |
| 5 | Course to steer: 074 °T Speed over the ground: 11.5 kn Time to the mark: 20 min | No. 643005 (worked solution) |
| 6 | Course to steer: 078 °T Speed over the ground: 5.9 kn Time to the mark: 44 min | No. 643006 (worked solution) |
| 7 | Course to steer: 178 °T Speed over the ground: 12.8 kn Time to the mark: 10 min | No. 643007 (worked solution) |
| 8 | Course to steer: 142 °T Speed over the ground: 9.4 kn Time to the mark: 34 min | No. 643008 (worked solution) |