Worksheet 808 · Skill 6
Course to steer
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You are at 092°T, 3.0 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 9.4 kn. The current sets 076°T at 1.5 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 016°T, 1.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 6.4 kn. The current sets 050°T at 1.5 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 097°T, 3.2 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 8.9 kn. The current sets 288°T at 2.2 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, 2.7 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 10.2 kn. The current sets 133°T at 2.4 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 074°T, 2.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 8.2 kn. The current sets 180°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 299°T, 3.0 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.5 kn. The current sets 189°T at 2.4 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 030°T, 2.5 nm from Mill stack, bound for Red nun "2". Your speed through the water is 5.0 kn. The current sets 092°T at 0.6 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 038°T, 4.3 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.7 kn. The current sets 221°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 169 °T Speed over the ground: 9.4 kn Time to the mark: 13 min | No. 808001 (worked solution) |
| 2 | Course to steer: 138 °T Speed over the ground: 6.6 kn Time to the mark: 43 min | No. 808002 (worked solution) |
| 3 | Course to steer: 096 °T Speed over the ground: 6.8 kn Time to the mark: 22 min | No. 808003 (worked solution) |
| 4 | Course to steer: 350 °T Speed over the ground: 8.4 kn Time to the mark: 16 min | No. 808004 (worked solution) |
| 5 | Course to steer: 130 °T Speed over the ground: 9.1 kn Time to the mark: 19 min | No. 808005 (worked solution) |
| 6 | Course to steer: 156 °T Speed over the ground: 10.6 kn Time to the mark: 18 min | No. 808006 (worked solution) |
| 7 | Course to steer: 299 °T Speed over the ground: 4.5 kn Time to the mark: 39 min | No. 808007 (worked solution) |
| 8 | Course to steer: 165 °T Speed over the ground: 8.1 kn Time to the mark: 41 min | No. 808008 (worked solution) |