Worksheet 207 · Skill 6
Course to steer
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You are at 036°T, 1.6 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 10.7 kn. The current sets 153°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 119°T, 2.2 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.1 kn. The current sets 161°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 107°T, 2.1 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 5.0 kn. The current sets 293°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 105°T, 2.5 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 11.0 kn. The current sets 299°T at 1.8 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 356°T, 1.7 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 5.7 kn. The current sets 182°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
You are at 160°T, 0.8 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.7 kn. The current sets 314°T at 2.3 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, 1.7 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 11.8 kn. The current sets 253°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 326°T, 2.8 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 5.4 kn. The current sets 259°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 354 °T Speed over the ground: 8.9 kn Time to the mark: 37 min | No. 207001 (worked solution) |
| 2 | Course to steer: 110 °T Speed over the ground: 8.1 kn Time to the mark: 15 min | No. 207002 (worked solution) |
| 3 | Course to steer: 124 °T Speed over the ground: 3.3 kn Time to the mark: 39 min | No. 207003 (worked solution) |
| 4 | Course to steer: 271 °T Speed over the ground: 12.6 kn Time to the mark: 34 min | No. 207004 (worked solution) |
| 5 | Course to steer: 291 °T Speed over the ground: 5.4 kn Time to the mark: 75 min | No. 207005 (worked solution) |
| 6 | Course to steer: 267 °T Speed over the ground: 8.4 kn Time to the mark: 36 min | No. 207006 (worked solution) |
| 7 | Course to steer: 272 °T Speed over the ground: 14.2 kn Time to the mark: 16 min | No. 207007 (worked solution) |
| 8 | Course to steer: 308 °T Speed over the ground: 6.9 kn Time to the mark: 32 min | No. 207008 (worked solution) |