Worksheet 891 · Skill 6
Course to steer
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You are at 226°T, 1.4 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 6.6 kn. The current sets 260°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 215°T, 1.7 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 9.9 kn. The current sets 197°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 228°T, 1.6 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 10.4 kn. The current sets 003°T at 1.2 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 061°T, 1.6 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 7.7 kn. The current sets 155°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
You are at 204°T, 1.8 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 8.1 kn. The current sets 314°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 198°T, 1.8 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.8 kn. The current sets 339°T at 1.8 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 009°T, 1.9 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 5.1 kn. The current sets 237°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 322°T, 0.8 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 9.3 kn. The current sets 082°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 280 °T Speed over the ground: 8.7 kn Time to the mark: 30 min | No. 891001 (worked solution) |
| 2 | Course to steer: 316 °T Speed over the ground: 9.5 kn Time to the mark: 21 min | No. 891002 (worked solution) |
| 3 | Course to steer: 227 °T Speed over the ground: 9.6 kn Time to the mark: 14 min | No. 891003 (worked solution) |
| 4 | Course to steer: 068 °T Speed over the ground: 7.9 kn Time to the mark: 20 min | No. 891004 (worked solution) |
| 5 | Course to steer: 289 °T Speed over the ground: 9.3 kn Time to the mark: 28 min | No. 891005 (worked solution) |
| 6 | Course to steer: 284 °T Speed over the ground: 10.9 kn Time to the mark: 25 min | No. 891006 (worked solution) |
| 7 | Course to steer: 260 °T Speed over the ground: 6.1 kn Time to the mark: 38 min | No. 891007 (worked solution) |
| 8 | Course to steer: 030 °T Speed over the ground: 11.0 kn Time to the mark: 23 min | No. 891008 (worked solution) |