Worksheet 453 · Skill 6
Course to steer
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You are at 044°T, 2.4 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.0 kn. The current sets 059°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
You are at 042°T, 2.8 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 6.0 kn. The current sets 090°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 253°T, 2.4 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 6.1 kn. The current sets 156°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
You are at 236°T, 2.2 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 6.8 kn. The current sets 208°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 018°T, 1.9 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 5.6 kn. The current sets 315°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 316°T, 2.9 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 11.1 kn. The current sets 281°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 206°T, 3.0 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 9.4 kn. The current sets 335°T at 0.8 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, 2.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 6.4 kn. The current sets 267°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 133 °T Speed over the ground: 6.6 kn Time to the mark: 41 min | No. 453001 (worked solution) |
| 2 | Course to steer: 160 °T Speed over the ground: 6.2 kn Time to the mark: 43 min | No. 453002 (worked solution) |
| 3 | Course to steer: 031 °T Speed over the ground: 5.3 kn Time to the mark: 71 min | No. 453003 (worked solution) |
| 4 | Course to steer: 300 °T Speed over the ground: 7.1 kn Time to the mark: 30 min | No. 453004 (worked solution) |
| 5 | Course to steer: 231 °T Speed over the ground: 6.1 kn Time to the mark: 64 min | No. 453005 (worked solution) |
| 6 | Course to steer: 193 °T Speed over the ground: 11.2 kn Time to the mark: 29 min | No. 453006 (worked solution) |
| 7 | Course to steer: 058 °T Speed over the ground: 9.5 kn Time to the mark: 42 min | No. 453007 (worked solution) |
| 8 | Course to steer: 135 °T Speed over the ground: 6.1 kn Time to the mark: 32 min | No. 453008 (worked solution) |