Worksheet 743 · Skill 6
Course to steer
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You are at 201°T, 2.1 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 10.3 kn. The current sets 160°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 336°T, 0.9 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 5.7 kn. The current sets 149°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 089°T, 2.1 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 6.7 kn. The current sets 314°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 025°T, 1.6 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 10.1 kn. The current sets 175°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 035°T, 3.5 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.1 kn. The current sets 011°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 216°T, 1.9 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.0 kn. The current sets 219°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 268°T, 1.8 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 7.9 kn. The current sets 078°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 069°T, 3.1 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.3 kn. The current sets 055°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 322 °T Speed over the ground: 8.0 kn Time to the mark: 30 min | No. 743001 (worked solution) |
| 2 | Course to steer: 274 °T Speed over the ground: 4.8 kn Time to the mark: 65 min | No. 743002 (worked solution) |
| 3 | Course to steer: 005 °T Speed over the ground: 7.0 kn Time to the mark: 32 min | No. 743003 (worked solution) |
| 4 | Course to steer: 085 °T Speed over the ground: 10.2 kn Time to the mark: 20 min | No. 743004 (worked solution) |
| 5 | Course to steer: 157 °T Speed over the ground: 9.9 kn Time to the mark: 29 min | No. 743005 (worked solution) |
| 6 | Course to steer: 302 °T Speed over the ground: 9.3 kn Time to the mark: 26 min | No. 743006 (worked solution) |
| 7 | Course to steer: 041 °T Speed over the ground: 8.9 kn Time to the mark: 38 min | No. 743007 (worked solution) |
| 8 | Course to steer: 138 °T Speed over the ground: 6.9 kn Time to the mark: 28 min | No. 743008 (worked solution) |