Worksheet 341 · Skill 6
Course to steer
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You are at 352°T, 1.6 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 11.7 kn. The current sets 210°T at 2.1 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 290°T, 1.3 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 12.0 kn. The current sets 020°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 031°T, 1.9 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 5.5 kn. The current sets 046°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 253°T, 1.5 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.8 kn. The current sets 217°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 009°T, 2.8 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 8.6 kn. The current sets 224°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 016°T, 1.4 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 9.3 kn. The current sets 133°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 181°T, 1.3 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 10.9 kn. The current sets 166°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 339°T, 2.8 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 9.3 kn. The current sets 313°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: 307 °T Speed over the ground: 11.6 kn Time to the mark: 27 min | No. 341001 (worked solution) |
| 2 | Course to steer: 272 °T Speed over the ground: 11.6 kn Time to the mark: 12 min | No. 341002 (worked solution) |
| 3 | Course to steer: 279 °T Speed over the ground: 4.8 kn Time to the mark: 78 min | No. 341003 (worked solution) |
| 4 | Course to steer: 282 °T Speed over the ground: 6.0 kn Time to the mark: 34 min | No. 341004 (worked solution) |
| 5 | Course to steer: 109 °T Speed over the ground: 8.0 kn Time to the mark: 46 min | No. 341005 (worked solution) |
| 6 | Course to steer: 287 °T Speed over the ground: 7.1 kn Time to the mark: 61 min | No. 341006 (worked solution) |
| 7 | Course to steer: 288 °T Speed over the ground: 10.5 kn Time to the mark: 28 min | No. 341007 (worked solution) |
| 8 | Course to steer: 257 °T Speed over the ground: 10.9 kn Time to the mark: 32 min | No. 341008 (worked solution) |