Worksheet 169 · Skill 6
Course to steer
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You are at 047°T, 1.2 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 9.7 kn. The current sets 114°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 019°T, 2.3 nm from Mill stack, bound for Green can "3". Your speed through the water is 11.0 kn. The current sets 291°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 015°T, 2.3 nm from Mill stack, bound for Bell buoy "HS". Your speed through the water is 12.0 kn. The current sets 277°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 246°T, 2.4 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 11.9 kn. The current sets 133°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 180°T, 0.9 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.5 kn. The current sets 174°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 065°T, 2.8 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 10.5 kn. The current sets 242°T at 2.0 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 022°T, 3.3 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 9.3 kn. The current sets 258°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 010°T, 1.9 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 11.6 kn. The current sets 073°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 044 °T Speed over the ground: 10.5 kn Time to the mark: 20 min | No. 169001 (worked solution) |
| 2 | Course to steer: 353 °T Speed over the ground: 12.0 kn Time to the mark: 13 min | No. 169002 (worked solution) |
| 3 | Course to steer: 048 °T Speed over the ground: 11.4 kn Time to the mark: 39 min | No. 169003 (worked solution) |
| 4 | Course to steer: 283 °T Speed over the ground: 10.1 kn Time to the mark: 19 min | No. 169004 (worked solution) |
| 5 | Course to steer: 291 °T Speed over the ground: 8.8 kn Time to the mark: 33 min | No. 169005 (worked solution) |
| 6 | Course to steer: 272 °T Speed over the ground: 12.3 kn Time to the mark: 30 min | No. 169006 (worked solution) |
| 7 | Course to steer: 139 °T Speed over the ground: 8.8 kn Time to the mark: 37 min | No. 169007 (worked solution) |
| 8 | Course to steer: 146 °T Speed over the ground: 12.2 kn Time to the mark: 25 min | No. 169008 (worked solution) |