Worksheet 831 · Skill 6
Course to steer
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You are at 055°T, 1.7 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.2 kn. The current sets 194°T at 1.6 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 122°T, 1.3 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.8 kn. The current sets 342°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 341°T, 2.7 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 6.1 kn. The current sets 257°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 066°T, 2.1 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 10.0 kn. The current sets 232°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 325°T, 1.0 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.7 kn. The current sets 243°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 146°T, 1.2 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 11.8 kn. The current sets 261°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 246°T, 1.4 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 8.4 kn. The current sets 309°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 219°T, 1.3 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 5.3 kn. The current sets 260°T at 0.9 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: 100 °T Speed over the ground: 10.2 kn Time to the mark: 26 min | No. 831001 (worked solution) |
| 2 | Course to steer: 256 °T Speed over the ground: 6.4 kn Time to the mark: 56 min | No. 831002 (worked solution) |
| 3 | Course to steer: 281 °T Speed over the ground: 8.2 kn Time to the mark: 39 min | No. 831003 (worked solution) |
| 4 | Course to steer: 126 °T Speed over the ground: 9.7 kn Time to the mark: 20 min | No. 831004 (worked solution) |
| 5 | Course to steer: 276 °T Speed over the ground: 7.7 kn Time to the mark: 23 min | No. 831005 (worked solution) |
| 6 | Course to steer: 103 °T Speed over the ground: 9.5 kn Time to the mark: 20 min | No. 831006 (worked solution) |
| 7 | Course to steer: 052 °T Speed over the ground: 8.2 kn Time to the mark: 41 min | No. 831007 (worked solution) |
| 8 | Course to steer: 312 °T Speed over the ground: 5.9 kn Time to the mark: 34 min | No. 831008 (worked solution) |