Worksheet 30 · Skill 6
Course to steer
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You are at 015°T, 2.0 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 11.2 kn. The current sets 146°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 355°T, 3.3 nm from Mill stack, bound for Bell buoy "HS". Your speed through the water is 10.9 kn. The current sets 336°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 318°T, 1.6 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 12.0 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 244°T, 1.6 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.8 kn. The current sets 219°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 068°T, 2.4 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 8.4 kn. The current sets 277°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 081°T, 1.9 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 11.7 kn. The current sets 040°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 318°T, 1.3 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 11.2 kn. The current sets 108°T at 2.4 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 046°T, 1.3 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 6.0 kn. The current sets 295°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 255 °T Speed over the ground: 10.9 kn Time to the mark: 31 min | No. 30001 (worked solution) |
| 2 | Course to steer: 066 °T Speed over the ground: 11.1 kn Time to the mark: 40 min | No. 30002 (worked solution) |
| 3 | Course to steer: 007 °T Speed over the ground: 12.3 kn Time to the mark: 29 min | No. 30003 (worked solution) |
| 4 | Course to steer: 291 °T Speed over the ground: 6.2 kn Time to the mark: 33 min | No. 30004 (worked solution) |
| 5 | Course to steer: 012 °T Speed over the ground: 8.4 kn Time to the mark: 21 min | No. 30005 (worked solution) |
| 6 | Course to steer: 147 °T Speed over the ground: 11.4 kn Time to the mark: 15 min | No. 30006 (worked solution) |
| 7 | Course to steer: 037 °T Speed over the ground: 12.2 kn Time to the mark: 21 min | No. 30007 (worked solution) |
| 8 | Course to steer: 044 °T Speed over the ground: 5.7 kn Time to the mark: 33 min | No. 30008 (worked solution) |