Worksheet 102 · 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 124°T, 1.7 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 6.3 kn. The current sets 049°T at 1.6 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, 1.9 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 8.7 kn. The current sets 089°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 318°T, 1.6 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 10.1 kn. The current sets 029°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 286°T, 2.5 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.0 kn. The current sets 319°T at 1.0 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
You are at 342°T, 1.4 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 6.5 kn. The current sets 064°T at 0.6 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 061°T, 2.3 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 10.5 kn. The current sets 124°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 323°T, 1.4 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 10.0 kn. The current sets 347°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 281°T, 3.8 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 10.5 kn. The current sets 131°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 263 °T Speed over the ground: 5.0 kn Time to the mark: 81 min | No. 102001 (worked solution) |
| 2 | Course to steer: 257 °T Speed over the ground: 6.6 kn Time to the mark: 54 min | No. 102002 (worked solution) |
| 3 | Course to steer: 292 °T Speed over the ground: 10.1 kn Time to the mark: 28 min | No. 102003 (worked solution) |
| 4 | Course to steer: 185 °T Speed over the ground: 7.3 kn Time to the mark: 27 min | No. 102004 (worked solution) |
| 5 | Course to steer: 276 °T Speed over the ground: 6.0 kn Time to the mark: 65 min | No. 102005 (worked solution) |
| 6 | Course to steer: 272 °T Speed over the ground: 9.3 kn Time to the mark: 35 min | No. 102006 (worked solution) |
| 7 | Course to steer: 299 °T Speed over the ground: 10.9 kn Time to the mark: 27 min | No. 102007 (worked solution) |
| 8 | Course to steer: 175 °T Speed over the ground: 12.3 kn Time to the mark: 16 min | No. 102008 (worked solution) |