Worksheet 810 · Skill 6
Course to steer
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You are at 042°T, 2.9 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 7.1 kn. The current sets 262°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 336°T, 2.4 nm from Mill stack, bound for Green can "3". Your speed through the water is 5.8 kn. The current sets 176°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 081°T, 1.7 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 6.2 kn. The current sets 204°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 034°T, 1.2 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.5 kn. The current sets 198°T at 1.0 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 301°T, 3.6 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 11.7 kn. The current sets 105°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 310°T, 2.3 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 7.8 kn. The current sets 321°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 152°T, 1.9 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.4 kn. The current sets 023°T at 1.2 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 296°T, 3.9 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 11.2 kn. The current sets 234°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 115 °T Speed over the ground: 5.5 kn Time to the mark: 49 min | No. 810001 (worked solution) |
| 2 | Course to steer: 017 °T Speed over the ground: 4.3 kn Time to the mark: 36 min | No. 810002 (worked solution) |
| 3 | Course to steer: 014 °T Speed over the ground: 4.0 kn Time to the mark: 54 min | No. 810003 (worked solution) |
| 4 | Course to steer: 267 °T Speed over the ground: 6.9 kn Time to the mark: 48 min | No. 810004 (worked solution) |
| 5 | Course to steer: 188 °T Speed over the ground: 12.1 kn Time to the mark: 22 min | No. 810005 (worked solution) |
| 6 | Course to steer: 172 °T Speed over the ground: 6.5 kn Time to the mark: 29 min | No. 810006 (worked solution) |
| 7 | Course to steer: 085 °T Speed over the ground: 7.1 kn Time to the mark: 41 min | No. 810007 (worked solution) |
| 8 | Course to steer: 163 °T Speed over the ground: 12.1 kn Time to the mark: 21 min | No. 810008 (worked solution) |