Worksheet 631 · 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 202°T, 1.9 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 10.6 kn. The current sets 308°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
You are at 059°T, 2.4 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 10.9 kn. The current sets 060°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 032°T, 4.1 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 9.6 kn. The current sets 002°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 143°T, 1.2 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.9 kn. The current sets 028°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 027°T, 1.2 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 7.0 kn. The current sets 115°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 280°T, 3.3 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.1 kn. The current sets 129°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 171°T, 1.1 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.0 kn. The current sets 057°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 025°T, 2.3 nm from Mill stack, bound for Green can "1". Your speed through the water is 5.0 kn. The current sets 242°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: 280 °T Speed over the ground: 12.2 kn Time to the mark: 24 min | No. 631001 (worked solution) |
| 2 | Course to steer: 256 °T Speed over the ground: 8.9 kn Time to the mark: 47 min | No. 631002 (worked solution) |
| 3 | Course to steer: 162 °T Speed over the ground: 7.5 kn Time to the mark: 43 min | No. 631003 (worked solution) |
| 4 | Course to steer: 265 °T Speed over the ground: 6.9 kn Time to the mark: 49 min | No. 631004 (worked solution) |
| 5 | Course to steer: 016 °T Speed over the ground: 6.9 kn Time to the mark: 28 min | No. 631005 (worked solution) |
| 6 | Course to steer: 149 °T Speed over the ground: 10.2 kn Time to the mark: 16 min | No. 631006 (worked solution) |
| 7 | Course to steer: 278 °T Speed over the ground: 6.5 kn Time to the mark: 47 min | No. 631007 (worked solution) |
| 8 | Course to steer: 307 °T Speed over the ground: 6.1 kn Time to the mark: 29 min | No. 631008 (worked solution) |