Worksheet 172 · 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 042°T, 2.3 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 8.8 kn. The current sets 238°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 113°T, 1.9 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 11.1 kn. The current sets 054°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 017°T, 1.9 nm from Mill stack, bound for Green can "3". Your speed through the water is 6.1 kn. The current sets 070°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 328°T, 1.0 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 10.2 kn. The current sets 171°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 356°T, 1.7 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 5.8 kn. The current sets 010°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
You are at 290°T, 1.8 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.6 kn. The current sets 288°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 030°T, 2.1 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.9 kn. The current sets 162°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 082°T, 2.9 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.4 kn. The current sets 039°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 108 °T Speed over the ground: 7.7 kn Time to the mark: 36 min | No. 172001 (worked solution) |
| 2 | Course to steer: 091 °T Speed over the ground: 12.5 kn Time to the mark: 19 min | No. 172002 (worked solution) |
| 3 | Course to steer: 337 °T Speed over the ground: 6.2 kn Time to the mark: 27 min | No. 172003 (worked solution) |
| 4 | Course to steer: 258 °T Speed over the ground: 10.3 kn Time to the mark: 30 min | No. 172004 (worked solution) |
| 5 | Course to steer: 263 °T Speed over the ground: 5.6 kn Time to the mark: 72 min | No. 172005 (worked solution) |
| 6 | Course to steer: 251 °T Speed over the ground: 6.9 kn Time to the mark: 28 min | No. 172006 (worked solution) |
| 7 | Course to steer: 108 °T Speed over the ground: 11.3 kn Time to the mark: 27 min | No. 172007 (worked solution) |
| 8 | Course to steer: 262 °T Speed over the ground: 5.3 kn Time to the mark: 73 min | No. 172008 (worked solution) |