Worksheet 531 · Skill 6
Course to steer
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You are at 046°T, 2.1 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 10.2 kn. The current sets 277°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 325°T, 1.7 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 8.2 kn. The current sets 322°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 325°T, 1.9 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 7.4 kn. The current sets 128°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 337°T, 1.2 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 11.0 kn. The current sets 338°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 087°T, 2.3 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 7.8 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 134°T, 1.5 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.9 kn. The current sets 161°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 113°T, 1.8 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 6.6 kn. The current sets 359°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 330°T, 1.2 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.9 kn. The current sets 323°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 062 °T Speed over the ground: 8.9 kn Time to the mark: 18 min | No. 531001 (worked solution) |
| 2 | Course to steer: 299 °T Speed over the ground: 9.6 kn Time to the mark: 29 min | No. 531002 (worked solution) |
| 3 | Course to steer: 201 °T Speed over the ground: 7.9 kn Time to the mark: 24 min | No. 531003 (worked solution) |
| 4 | Course to steer: 259 °T Speed over the ground: 11.4 kn Time to the mark: 16 min | No. 531004 (worked solution) |
| 5 | Course to steer: 351 °T Speed over the ground: 8.6 kn Time to the mark: 26 min | No. 531005 (worked solution) |
| 6 | Course to steer: 009 °T Speed over the ground: 5.3 kn Time to the mark: 56 min | No. 531006 (worked solution) |
| 7 | Course to steer: 111 °T Speed over the ground: 6.4 kn Time to the mark: 26 min | No. 531007 (worked solution) |
| 8 | Course to steer: 064 °T Speed over the ground: 5.8 kn Time to the mark: 40 min | No. 531008 (worked solution) |