Worksheet 137 · Skill 6
Course to steer
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You are at 339°T, 1.2 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 6.3 kn. The current sets 093°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 040°T, 3.8 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 5.9 kn. The current sets 090°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 072°T, 2.5 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 8.1 kn. The current sets 357°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 280°T, 0.8 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 10.8 kn. The current sets 198°T at 1.2 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 081°T, 2.5 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 8.3 kn. The current sets 138°T at 1.2 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 089°T, 2.4 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 10.5 kn. The current sets 290°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 358°T, 2.1 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 10.9 kn. The current sets 002°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 124°T, 1.4 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 11.7 kn. The current sets 057°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 033 °T Speed over the ground: 7.3 kn Time to the mark: 31 min | No. 137001 (worked solution) |
| 2 | Course to steer: 145 °T Speed over the ground: 6.6 kn Time to the mark: 42 min | No. 137002 (worked solution) |
| 3 | Course to steer: 123 °T Speed over the ground: 7.2 kn Time to the mark: 29 min | No. 137003 (worked solution) |
| 4 | Course to steer: 274 °T Speed over the ground: 11.2 kn Time to the mark: 22 min | No. 137004 (worked solution) |
| 5 | Course to steer: 281 °T Speed over the ground: 7.4 kn Time to the mark: 49 min | No. 137005 (worked solution) |
| 6 | Course to steer: 140 °T Speed over the ground: 8.6 kn Time to the mark: 17 min | No. 137006 (worked solution) |
| 7 | Course to steer: 207 °T Speed over the ground: 8.9 kn Time to the mark: 37 min | No. 137007 (worked solution) |
| 8 | Course to steer: 266 °T Speed over the ground: 10.1 kn Time to the mark: 39 min | No. 137008 (worked solution) |