Worksheet 876 · Skill 6
Course to steer
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You are at 288°T, 3.6 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 5.9 kn. The current sets 333°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 020°T, 1.9 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 8.3 kn. The current sets 020°T at 1.7 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, 2.2 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 11.9 kn. The current sets 218°T at 1.3 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 080°T, 3.5 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 6.9 kn. The current sets 146°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 307°T, 3.4 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.1 kn. The current sets 234°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 041°T, 3.1 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.0 kn. The current sets 215°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 236°T, 2.4 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.7 kn. The current sets 045°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 213°T, 2.5 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.2 kn. The current sets 330°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 094 °T Speed over the ground: 5.6 kn Time to the mark: 79 min | No. 876001 (worked solution) |
| 2 | Course to steer: 268 °T Speed over the ground: 7.8 kn Time to the mark: 53 min | No. 876002 (worked solution) |
| 3 | Course to steer: 086 °T Speed over the ground: 11.1 kn Time to the mark: 31 min | No. 876003 (worked solution) |
| 4 | Course to steer: 182 °T Speed over the ground: 8.5 kn Time to the mark: 18 min | No. 876004 (worked solution) |
| 5 | Course to steer: 181 °T Speed over the ground: 10.4 kn Time to the mark: 30 min | No. 876005 (worked solution) |
| 6 | Course to steer: 105 °T Speed over the ground: 5.6 kn Time to the mark: 48 min | No. 876006 (worked solution) |
| 7 | Course to steer: 318 °T Speed over the ground: 6.8 kn Time to the mark: 24 min | No. 876007 (worked solution) |
| 8 | Course to steer: 231 °T Speed over the ground: 7.1 kn Time to the mark: 21 min | No. 876008 (worked solution) |