Worksheet 864 · Skill 6
Course to steer
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You are at 026°T, 2.4 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 11.9 kn. The current sets 156°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 229°T, 2.0 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.3 kn. The current sets 084°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 008°T, 1.9 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 10.1 kn. The current sets 338°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 044°T, 2.8 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.0 kn. The current sets 295°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 333°T, 1.3 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 7.3 kn. The current sets 084°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 219°T, 1.2 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 5.0 kn. The current sets 214°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 043°T, 4.1 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 6.7 kn. The current sets 197°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 280°T, 3.1 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 7.8 kn. The current sets 022°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: 255 °T Speed over the ground: 11.8 kn Time to the mark: 32 min | No. 864001 (worked solution) |
| 2 | Course to steer: 020 °T Speed over the ground: 6.4 kn Time to the mark: 59 min | No. 864002 (worked solution) |
| 3 | Course to steer: 100 °T Speed over the ground: 9.0 kn Time to the mark: 14 min | No. 864003 (worked solution) |
| 4 | Course to steer: 239 °T Speed over the ground: 7.5 kn Time to the mark: 57 min | No. 864004 (worked solution) |
| 5 | Course to steer: 277 °T Speed over the ground: 5.4 kn Time to the mark: 71 min | No. 864005 (worked solution) |
| 6 | Course to steer: 243 °T Speed over the ground: 6.7 kn Time to the mark: 24 min | No. 864006 (worked solution) |
| 7 | Course to steer: 148 °T Speed over the ground: 8.6 kn Time to the mark: 33 min | No. 864007 (worked solution) |
| 8 | Course to steer: 157 °T Speed over the ground: 6.8 kn Time to the mark: 22 min | No. 864008 (worked solution) |