Worksheet 845 · Skill 6
Course to steer
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You are at 089°T, 2.1 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 5.4 kn. The current sets 219°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 253°T, 1.2 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.4 kn. The current sets 243°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 015°T, 3.0 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 10.9 kn. The current sets 096°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 096°T, 1.1 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.1 kn. The current sets 015°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 185°T, 1.8 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.3 kn. The current sets 085°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 063°T, 2.3 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.5 kn. The current sets 085°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 253°T, 2.7 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 9.0 kn. The current sets 039°T at 0.7 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 014°T, 2.1 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 5.5 kn. The current sets 259°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: 115 °T Speed over the ground: 5.4 kn Time to the mark: 29 min | No. 845001 (worked solution) |
| 2 | Course to steer: 283 °T Speed over the ground: 8.8 kn Time to the mark: 25 min | No. 845002 (worked solution) |
| 3 | Course to steer: 160 °T Speed over the ground: 12.2 kn Time to the mark: 28 min | No. 845003 (worked solution) |
| 4 | Course to steer: 107 °T Speed over the ground: 10.3 kn Time to the mark: 26 min | No. 845004 (worked solution) |
| 5 | Course to steer: 296 °T Speed over the ground: 4.7 kn Time to the mark: 55 min | No. 845005 (worked solution) |
| 6 | Course to steer: 352 °T Speed over the ground: 5.5 kn Time to the mark: 30 min | No. 845006 (worked solution) |
| 7 | Course to steer: 270 °T Speed over the ground: 8.6 kn Time to the mark: 20 min | No. 845007 (worked solution) |
| 8 | Course to steer: 278 °T Speed over the ground: 7.3 kn Time to the mark: 60 min | No. 845008 (worked solution) |