Worksheet 489 · 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 210°T, 1.4 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 5.2 kn. The current sets 037°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 263°T, 2.1 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.7 kn. The current sets 012°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 264°T, 1.2 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 9.9 kn. The current sets 246°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 096°T, 1.5 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 8.5 kn. The current sets 135°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 134°T, 1.8 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 7.3 kn. The current sets 054°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 334°T, 1.6 nm from Heron Point Light, bound for Green can "1". Your speed through the water is 7.4 kn. The current sets 336°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 356°T, 1.7 nm from Mill stack, bound for Green can "1". Your speed through the water is 9.1 kn. The current sets 181°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 276°T, 1.8 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.8 kn. The current sets 141°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 295 °T Speed over the ground: 5.1 kn Time to the mark: 41 min | No. 489001 (worked solution) |
| 2 | Course to steer: 251 °T Speed over the ground: 4.9 kn Time to the mark: 33 min | No. 489002 (worked solution) |
| 3 | Course to steer: 304 °T Speed over the ground: 11.3 kn Time to the mark: 13 min | No. 489003 (worked solution) |
| 4 | Course to steer: 358 °T Speed over the ground: 7.1 kn Time to the mark: 34 min | No. 489004 (worked solution) |
| 5 | Course to steer: 083 °T Speed over the ground: 8.1 kn Time to the mark: 32 min | No. 489005 (worked solution) |
| 6 | Course to steer: 096 °T Speed over the ground: 7.1 kn Time to the mark: 21 min | No. 489006 (worked solution) |
| 7 | Course to steer: 317 °T Speed over the ground: 8.1 kn Time to the mark: 16 min | No. 489007 (worked solution) |
| 8 | Course to steer: 219 °T Speed over the ground: 8.2 kn Time to the mark: 27 min | No. 489008 (worked solution) |