Worksheet 84 · Skill 6
Course to steer
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You are at 114°T, 1.7 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.0 kn. The current sets 218°T at 0.7 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 202°T, 2.0 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.7 kn. The current sets 113°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 265°T, 1.4 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.4 kn. The current sets 346°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 240°T, 2.5 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 8.8 kn. The current sets 295°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 289°T, 1.5 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.1 kn. The current sets 189°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 152°T, 1.4 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.9 kn. The current sets 306°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 055°T, 2.2 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 11.4 kn. The current sets 267°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 207°T, 1.6 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 11.6 kn. The current sets 191°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 282 °T Speed over the ground: 6.3 kn Time to the mark: 60 min | No. 84001 (worked solution) |
| 2 | Course to steer: 257 °T Speed over the ground: 7.8 kn Time to the mark: 24 min | No. 84002 (worked solution) |
| 3 | Course to steer: 292 °T Speed over the ground: 6.7 kn Time to the mark: 21 min | No. 84003 (worked solution) |
| 4 | Course to steer: 331 °T Speed over the ground: 9.5 kn Time to the mark: 16 min | No. 84004 (worked solution) |
| 5 | Course to steer: 218 °T Speed over the ground: 9.0 kn Time to the mark: 28 min | No. 84005 (worked solution) |
| 6 | Course to steer: 092 °T Speed over the ground: 8.0 kn Time to the mark: 38 min | No. 84006 (worked solution) |
| 7 | Course to steer: 146 °T Speed over the ground: 11.0 kn Time to the mark: 21 min | No. 84007 (worked solution) |
| 8 | Course to steer: 317 °T Speed over the ground: 10.7 kn Time to the mark: 20 min | No. 84008 (worked solution) |