Worksheet 134 · Skill 6
Course to steer
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You are at 203°T, 2.8 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.3 kn. The current sets 237°T at 2.1 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 022°T, 2.9 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.1 kn. The current sets 179°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 330°T, 1.9 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.7 kn. The current sets 145°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 308°T, 2.5 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 7.1 kn. The current sets 013°T at 1.1 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 259°T, 2.0 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.2 kn. The current sets 334°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 015°T, 2.7 nm from Mill stack, bound for Red nun "2". Your speed through the water is 6.5 kn. The current sets 183°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, 2.3 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 8.7 kn. The current sets 175°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 036°T, 2.1 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 9.0 kn. The current sets 220°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 263 °T Speed over the ground: 10.2 kn Time to the mark: 15 min | No. 134001 (worked solution) |
| 2 | Course to steer: 136 °T Speed over the ground: 12.6 kn Time to the mark: 25 min | No. 134002 (worked solution) |
| 3 | Course to steer: 221 °T Speed over the ground: 9.4 kn Time to the mark: 35 min | No. 134003 (worked solution) |
| 4 | Course to steer: 101 °T Speed over the ground: 7.2 kn Time to the mark: 50 min | No. 134004 (worked solution) |
| 5 | Course to steer: 193 °T Speed over the ground: 6.6 kn Time to the mark: 21 min | No. 134005 (worked solution) |
| 6 | Course to steer: 311 °T Speed over the ground: 5.7 kn Time to the mark: 23 min | No. 134006 (worked solution) |
| 7 | Course to steer: 088 °T Speed over the ground: 9.1 kn Time to the mark: 18 min | No. 134007 (worked solution) |
| 8 | Course to steer: 265 °T Speed over the ground: 9.7 kn Time to the mark: 30 min | No. 134008 (worked solution) |