Worksheet 328 · Skill 6
Course to steer
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You are at 035°T, 3.9 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.2 kn. The current sets 348°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 072°T, 3.0 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 9.0 kn. The current sets 254°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
You are at 037°T, 1.2 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 6.1 kn. The current sets 316°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 023°T, 1.9 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 7.7 kn. The current sets 169°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 323°T, 2.0 nm from Mill stack, bound for Red nun "2". Your speed through the water is 7.4 kn. The current sets 105°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 219°T, 2.2 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.1 kn. The current sets 245°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 270°T, 2.3 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.5 kn. The current sets 222°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 070°T, 2.7 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 7.9 kn. The current sets 001°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: 143 °T Speed over the ground: 8.5 kn Time to the mark: 35 min | No. 328001 (worked solution) |
| 2 | Course to steer: 353 °T Speed over the ground: 8.9 kn Time to the mark: 20 min | No. 328002 (worked solution) |
| 3 | Course to steer: 128 °T Speed over the ground: 3.9 kn Time to the mark: 65 min | No. 328003 (worked solution) |
| 4 | Course to steer: 257 °T Speed over the ground: 7.8 kn Time to the mark: 51 min | No. 328004 (worked solution) |
| 5 | Course to steer: 352 °T Speed over the ground: 7.0 kn Time to the mark: 18 min | No. 328005 (worked solution) |
| 6 | Course to steer: 309 °T Speed over the ground: 8.1 kn Time to the mark: 28 min | No. 328006 (worked solution) |
| 7 | Course to steer: 275 °T Speed over the ground: 6.9 kn Time to the mark: 22 min | No. 328007 (worked solution) |
| 8 | Course to steer: 035 °T Speed over the ground: 9.0 kn Time to the mark: 15 min | No. 328008 (worked solution) |