Worksheet 403 · 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 123°T, 1.6 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 10.8 kn. The current sets 126°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 327°T, 0.9 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 12.0 kn. The current sets 155°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 004°T, 0.9 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 7.6 kn. The current sets 045°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 033°T, 1.8 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 6.3 kn. The current sets 225°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 062°T, 2.1 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 11.7 kn. The current sets 120°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 296°T, 1.7 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 6.0 kn. The current sets 208°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 342°T, 2.4 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 11.6 kn. The current sets 076°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 337°T, 2.7 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 9.3 kn. The current sets 099°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 000 °T Speed over the ground: 9.7 kn Time to the mark: 29 min | No. 403001 (worked solution) |
| 2 | Course to steer: 270 °T Speed over the ground: 11.2 kn Time to the mark: 23 min | No. 403002 (worked solution) |
| 3 | Course to steer: 136 °T Speed over the ground: 7.9 kn Time to the mark: 36 min | No. 403003 (worked solution) |
| 4 | Course to steer: 035 °T Speed over the ground: 3.9 kn Time to the mark: 40 min | No. 403004 (worked solution) |
| 5 | Course to steer: 269 °T Speed over the ground: 9.8 kn Time to the mark: 41 min | No. 403005 (worked solution) |
| 6 | Course to steer: 254 °T Speed over the ground: 6.4 kn Time to the mark: 39 min | No. 403006 (worked solution) |
| 7 | Course to steer: 209 °T Speed over the ground: 10.9 kn Time to the mark: 29 min | No. 403007 (worked solution) |
| 8 | Course to steer: 205 °T Speed over the ground: 9.0 kn Time to the mark: 28 min | No. 403008 (worked solution) |