Worksheet 628 · Skill 6
Course to steer
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You are at 019°T, 1.7 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 8.4 kn. The current sets 142°T at 1.4 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 075°T, 2.9 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 7.4 kn. The current sets 202°T at 1.0 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 356°T, 1.1 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 8.0 kn. The current sets 128°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 014°T, 2.2 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.6 kn. The current sets 226°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 004°T, 1.7 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 9.3 kn. The current sets 054°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 317°T, 1.1 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 7.6 kn. The current sets 272°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 353°T, 2.3 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 6.8 kn. The current sets 195°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 235°T, 2.4 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 9.4 kn. The current sets 279°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: 088 °T Speed over the ground: 9.3 kn Time to the mark: 22 min | No. 628001 (worked solution) |
| 2 | Course to steer: 139 °T Speed over the ground: 7.9 kn Time to the mark: 20 min | No. 628002 (worked solution) |
| 3 | Course to steer: 002 °T Speed over the ground: 7.4 kn Time to the mark: 47 min | No. 628003 (worked solution) |
| 4 | Course to steer: 113 °T Speed over the ground: 6.4 kn Time to the mark: 53 min | No. 628004 (worked solution) |
| 5 | Course to steer: 075 °T Speed over the ground: 11.4 kn Time to the mark: 20 min | No. 628005 (worked solution) |
| 6 | Course to steer: 049 °T Speed over the ground: 7.0 kn Time to the mark: 36 min | No. 628006 (worked solution) |
| 7 | Course to steer: 092 °T Speed over the ground: 6.6 kn Time to the mark: 40 min | No. 628007 (worked solution) |
| 8 | Course to steer: 333 °T Speed over the ground: 10.4 kn Time to the mark: 16 min | No. 628008 (worked solution) |