Worksheet 127 · 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 347°T, 1.4 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 6.7 kn. The current sets 317°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 149°T, 1.4 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 7.0 kn. The current sets 327°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 040°T, 2.0 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 10.5 kn. The current sets 007°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 070°T, 3.0 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 10.8 kn. The current sets 268°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 348°T, 1.7 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 5.3 kn. The current sets 240°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 014°T, 1.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 8.6 kn. The current sets 158°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 324°T, 1.3 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 10.0 kn. The current sets 326°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 149°T, 1.0 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 6.3 kn. The current sets 210°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 050 °T Speed over the ground: 6.7 kn Time to the mark: 31 min | No. 127001 (worked solution) |
| 2 | Course to steer: 232 °T Speed over the ground: 7.2 kn Time to the mark: 33 min | No. 127002 (worked solution) |
| 3 | Course to steer: 281 °T Speed over the ground: 10.8 kn Time to the mark: 37 min | No. 127003 (worked solution) |
| 4 | Course to steer: 156 °T Speed over the ground: 10.3 kn Time to the mark: 18 min | No. 127004 (worked solution) |
| 5 | Course to steer: 077 °T Speed over the ground: 4.0 kn Time to the mark: 42 min | No. 127005 (worked solution) |
| 6 | Course to steer: 120 °T Speed over the ground: 9.7 kn Time to the mark: 30 min | No. 127006 (worked solution) |
| 7 | Course to steer: 201 °T Speed over the ground: 8.8 kn Time to the mark: 34 min | No. 127007 (worked solution) |
| 8 | Course to steer: 090 °T Speed over the ground: 5.5 kn Time to the mark: 37 min | No. 127008 (worked solution) |