Worksheet 802 · Skill 6
Course to steer
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You are at 051°T, 1.6 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.2 kn. The current sets 064°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 019°T, 2.7 nm from Mill stack, bound for Green can "1". Your speed through the water is 6.4 kn. The current sets 067°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 338°T, 1.3 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 6.8 kn. The current sets 234°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 337°T, 1.2 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 9.4 kn. The current sets 285°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 047°T, 4.1 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 10.4 kn. The current sets 081°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 051°T, 1.2 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.7 kn. The current sets 020°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 293°T, 3.0 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 10.3 kn. The current sets 011°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 046°T, 2.1 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 5.6 kn. The current sets 059°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 253 °T Speed over the ground: 2.8 kn Time to the mark: 133 min | No. 802001 (worked solution) |
| 2 | Course to steer: 272 °T Speed over the ground: 4.7 kn Time to the mark: 35 min | No. 802002 (worked solution) |
| 3 | Course to steer: 318 °T Speed over the ground: 7.3 kn Time to the mark: 42 min | No. 802003 (worked solution) |
| 4 | Course to steer: 306 °T Speed over the ground: 11.4 kn Time to the mark: 28 min | No. 802004 (worked solution) |
| 5 | Course to steer: 170 °T Speed over the ground: 10.5 kn Time to the mark: 25 min | No. 802005 (worked solution) |
| 6 | Course to steer: 246 °T Speed over the ground: 5.5 kn Time to the mark: 63 min | No. 802006 (worked solution) |
| 7 | Course to steer: 163 °T Speed over the ground: 9.1 kn Time to the mark: 20 min | No. 802007 (worked solution) |
| 8 | Course to steer: 282 °T Speed over the ground: 4.9 kn Time to the mark: 85 min | No. 802008 (worked solution) |