Worksheet 45 · Skill 6
Course to steer
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You are at 070°T, 2.7 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 7.0 kn. The current sets 335°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 267°T, 3.0 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 6.6 kn. The current sets 128°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 005°T, 3.4 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 7.8 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 287°T, 1.0 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 7.3 kn. The current sets 271°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 339°T, 1.4 nm from Heron Point Light, bound for Green can "1". Your speed through the water is 5.6 kn. The current sets 026°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 021°T, 2.9 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.9 kn. The current sets 075°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 010°T, 1.8 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.2 kn. The current sets 049°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 049°T, 3.5 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 7.2 kn. The current sets 115°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 041 °T Speed over the ground: 7.8 kn Time to the mark: 18 min | No. 45001 (worked solution) |
| 2 | Course to steer: 208 °T Speed over the ground: 7.3 kn Time to the mark: 25 min | No. 45002 (worked solution) |
| 3 | Course to steer: 134 °T Speed over the ground: 7.7 kn Time to the mark: 51 min | No. 45003 (worked solution) |
| 4 | Course to steer: 046 °T Speed over the ground: 6.9 kn Time to the mark: 41 min | No. 45004 (worked solution) |
| 5 | Course to steer: 108 °T Speed over the ground: 6.3 kn Time to the mark: 22 min | No. 45005 (worked solution) |
| 6 | Course to steer: 133 °T Speed over the ground: 7.7 kn Time to the mark: 44 min | No. 45006 (worked solution) |
| 7 | Course to steer: 247 °T Speed over the ground: 6.0 kn Time to the mark: 54 min | No. 45007 (worked solution) |
| 8 | Course to steer: 159 °T Speed over the ground: 7.6 kn Time to the mark: 32 min | No. 45008 (worked solution) |