Worksheet 198 · Skill 6
Course to steer
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You are at 038°T, 2.7 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.4 kn. The current sets 039°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 340°T, 2.6 nm from Mill stack, bound for Green can "3". Your speed through the water is 8.4 kn. The current sets 120°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 054°T, 1.3 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.6 kn. The current sets 311°T at 1.8 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 053°T, 1.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 7.6 kn. The current sets 231°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 002°T, 2.1 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.0 kn. The current sets 309°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 274°T, 2.7 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.8 kn. The current sets 240°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 267°T, 1.7 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.9 kn. The current sets 257°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 131°T, 1.5 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 11.3 kn. The current sets 103°T at 1.8 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: 241 °T Speed over the ground: 3.7 kn Time to the mark: 110 min | No. 198001 (worked solution) |
| 2 | Course to steer: 014 °T Speed over the ground: 8.1 kn Time to the mark: 18 min | No. 198002 (worked solution) |
| 3 | Course to steer: 251 °T Speed over the ground: 7.7 kn Time to the mark: 46 min | No. 198003 (worked solution) |
| 4 | Course to steer: 119 °T Speed over the ground: 7.3 kn Time to the mark: 32 min | No. 198004 (worked solution) |
| 5 | Course to steer: 203 °T Speed over the ground: 8.7 kn Time to the mark: 44 min | No. 198005 (worked solution) |
| 6 | Course to steer: 136 °T Speed over the ground: 8.5 kn Time to the mark: 14 min | No. 198006 (worked solution) |
| 7 | Course to steer: 052 °T Speed over the ground: 4.7 kn Time to the mark: 71 min | No. 198007 (worked solution) |
| 8 | Course to steer: 081 °T Speed over the ground: 13.0 kn Time to the mark: 21 min | No. 198008 (worked solution) |