Worksheet 798 · Skill 6
Course to steer
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You are at 019°T, 3.5 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 9.8 kn. The current sets 249°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 030°T, 2.0 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 9.0 kn. The current sets 101°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 039°T, 1.2 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 11.7 kn. The current sets 142°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 039°T, 2.0 nm from Mill stack, bound for Green can "3". Your speed through the water is 10.6 kn. The current sets 256°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 042°T, 1.9 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 10.7 kn. The current sets 301°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 323°T, 3.1 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 7.6 kn. The current sets 070°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 059°T, 1.4 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 9.0 kn. The current sets 056°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 131°T, 1.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 8.0 kn. The current sets 351°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 140 °T Speed over the ground: 9.5 kn Time to the mark: 36 min | No. 798001 (worked solution) |
| 2 | Course to steer: 138 °T Speed over the ground: 10.0 kn Time to the mark: 27 min | No. 798002 (worked solution) |
| 3 | Course to steer: 049 °T Speed over the ground: 11.7 kn Time to the mark: 18 min | No. 798003 (worked solution) |
| 4 | Course to steer: 346 °T Speed over the ground: 10.7 kn Time to the mark: 18 min | No. 798004 (worked solution) |
| 5 | Course to steer: 025 °T Speed over the ground: 10.8 kn Time to the mark: 14 min | No. 798005 (worked solution) |
| 6 | Course to steer: 285 °T Speed over the ground: 6.1 kn Time to the mark: 33 min | No. 798006 (worked solution) |
| 7 | Course to steer: 149 °T Speed over the ground: 9.1 kn Time to the mark: 24 min | No. 798007 (worked solution) |
| 8 | Course to steer: 107 °T Speed over the ground: 7.5 kn Time to the mark: 26 min | No. 798008 (worked solution) |