Worksheet 872 · Skill 6
Course to steer
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You are at 314°T, 2.7 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.0 kn. The current sets 259°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 254°T, 3.0 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 10.3 kn. The current sets 116°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 104°T, 2.1 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 7.9 kn. The current sets 201°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 315°T, 1.2 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.8 kn. The current sets 286°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 011°T, 1.5 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 9.1 kn. The current sets 228°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 038°T, 3.1 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.3 kn. The current sets 184°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 064°T, 2.8 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.8 kn. The current sets 209°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 022°T, 1.9 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 10.3 kn. The current sets 144°T at 0.9 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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 184 °T Speed over the ground: 8.9 kn Time to the mark: 35 min | No. 872001 (worked solution) |
| 2 | Course to steer: 037 °T Speed over the ground: 10.9 kn Time to the mark: 38 min | No. 872002 (worked solution) |
| 3 | Course to steer: 276 °T Speed over the ground: 8.2 kn Time to the mark: 54 min | No. 872003 (worked solution) |
| 4 | Course to steer: 250 °T Speed over the ground: 9.8 kn Time to the mark: 25 min | No. 872004 (worked solution) |
| 5 | Course to steer: 281 °T Speed over the ground: 9.6 kn Time to the mark: 45 min | No. 872005 (worked solution) |
| 6 | Course to steer: 258 °T Speed over the ground: 7.7 kn Time to the mark: 56 min | No. 872006 (worked solution) |
| 7 | Course to steer: 106 °T Speed over the ground: 10.5 kn Time to the mark: 20 min | No. 872007 (worked solution) |
| 8 | Course to steer: 031 °T Speed over the ground: 10.0 kn Time to the mark: 15 min | No. 872008 (worked solution) |