Worksheet 534 · Skill 6
Course to steer
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You are at 230°T, 2.2 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.1 kn. The current sets 175°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 041°T, 1.4 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 5.0 kn. The current sets 326°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 024°T, 3.2 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.4 kn. The current sets 038°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 309°T, 2.7 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.2 kn. The current sets 034°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 295°T, 2.4 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 12.0 kn. The current sets 063°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
You are at 067°T, 1.1 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 8.5 kn. The current sets 168°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 291°T, 1.9 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 6.3 kn. The current sets 122°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 070°T, 3.6 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 8.6 kn. The current sets 197°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 029 °T Speed over the ground: 4.3 kn Time to the mark: 91 min | No. 534001 (worked solution) |
| 2 | Course to steer: 232 °T Speed over the ground: 5.3 kn Time to the mark: 74 min | No. 534002 (worked solution) |
| 3 | Course to steer: 169 °T Speed over the ground: 6.2 kn Time to the mark: 53 min | No. 534003 (worked solution) |
| 4 | Course to steer: 201 °T Speed over the ground: 7.3 kn Time to the mark: 42 min | No. 534004 (worked solution) |
| 5 | Course to steer: 174 °T Speed over the ground: 11.7 kn Time to the mark: 14 min | No. 534005 (worked solution) |
| 6 | Course to steer: 116 °T Speed over the ground: 8.9 kn Time to the mark: 25 min | No. 534006 (worked solution) |
| 7 | Course to steer: 195 °T Speed over the ground: 7.3 kn Time to the mark: 19 min | No. 534007 (worked solution) |
| 8 | Course to steer: 119 °T Speed over the ground: 9.0 kn Time to the mark: 19 min | No. 534008 (worked solution) |