Worksheet 527 · Skill 6
Course to steer
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You are at 041°T, 2.3 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 5.0 kn. The current sets 180°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 340°T, 1.8 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 10.9 kn. The current sets 334°T at 1.3 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 009°T, 1.8 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 11.7 kn. The current sets 338°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 107°T, 1.8 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.3 kn. The current sets 083°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 046°T, 2.5 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 7.2 kn. The current sets 007°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 125°T, 1.2 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 8.8 kn. The current sets 268°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 192°T, 2.1 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 7.3 kn. The current sets 307°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 000°T, 1.5 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.6 kn. The current sets 219°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: 355 °T Speed over the ground: 3.0 kn Time to the mark: 102 min | No. 527001 (worked solution) |
| 2 | Course to steer: 206 °T Speed over the ground: 10.2 kn Time to the mark: 33 min | No. 527002 (worked solution) |
| 3 | Course to steer: 239 °T Speed over the ground: 11.6 kn Time to the mark: 28 min | No. 527003 (worked solution) |
| 4 | Course to steer: 339 °T Speed over the ground: 5.3 kn Time to the mark: 49 min | No. 527004 (worked solution) |
| 5 | Course to steer: 135 °T Speed over the ground: 6.2 kn Time to the mark: 43 min | No. 527005 (worked solution) |
| 6 | Course to steer: 098 °T Speed over the ground: 6.4 kn Time to the mark: 32 min | No. 527006 (worked solution) |
| 7 | Course to steer: 252 °T Speed over the ground: 8.2 kn Time to the mark: 19 min | No. 527007 (worked solution) |
| 8 | Course to steer: 115 °T Speed over the ground: 11.3 kn Time to the mark: 28 min | No. 527008 (worked solution) |