Worksheet 800 · Skill 6
Course to steer
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You are at 292°T, 1.9 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.2 kn. The current sets 196°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 286°T, 2.0 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 9.3 kn. The current sets 284°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 299°T, 4.6 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.9 kn. The current sets 003°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 250°T, 1.2 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.5 kn. The current sets 279°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 126°T, 1.4 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 6.8 kn. The current sets 355°T at 0.5 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 325°T, 1.9 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 10.0 kn. The current sets 340°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 301°T, 1.5 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 7.5 kn. The current sets 109°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 268°T, 1.1 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.0 kn. The current sets 044°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 210 °T Speed over the ground: 7.6 kn Time to the mark: 33 min | No. 800001 (worked solution) |
| 2 | Course to steer: 160 °T Speed over the ground: 8.2 kn Time to the mark: 16 min | No. 800002 (worked solution) |
| 3 | Course to steer: 172 °T Speed over the ground: 6.8 kn Time to the mark: 43 min | No. 800003 (worked solution) |
| 4 | Course to steer: 050 °T Speed over the ground: 4.7 kn Time to the mark: 68 min | No. 800004 (worked solution) |
| 5 | Course to steer: 251 °T Speed over the ground: 6.7 kn Time to the mark: 26 min | No. 800005 (worked solution) |
| 6 | Course to steer: 101 °T Speed over the ground: 9.3 kn Time to the mark: 33 min | No. 800006 (worked solution) |
| 7 | Course to steer: 208 °T Speed over the ground: 7.5 kn Time to the mark: 19 min | No. 800007 (worked solution) |
| 8 | Course to steer: 261 °T Speed over the ground: 4.2 kn Time to the mark: 53 min | No. 800008 (worked solution) |