Worksheet 472 · Skill 6
Course to steer
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You are at 059°T, 1.8 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 10.2 kn. The current sets 071°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 312°T, 1.6 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 10.6 kn. The current sets 242°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 241°T, 2.5 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.4 kn. The current sets 161°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 026°T, 1.6 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 10.2 kn. The current sets 110°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 239°T, 1.6 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.2 kn. The current sets 303°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 267°T, 0.8 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 11.7 kn. The current sets 089°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 030°T, 2.4 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.0 kn. The current sets 163°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 056°T, 3.2 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 7.9 kn. The current sets 032°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 043 °T Speed over the ground: 12.1 kn Time to the mark: 15 min | No. 472001 (worked solution) |
| 2 | Course to steer: 026 °T Speed over the ground: 9.2 kn Time to the mark: 40 min | No. 472002 (worked solution) |
| 3 | Course to steer: 231 °T Speed over the ground: 8.4 kn Time to the mark: 17 min | No. 472003 (worked solution) |
| 4 | Course to steer: 022 °T Speed over the ground: 10.4 kn Time to the mark: 16 min | No. 472004 (worked solution) |
| 5 | Course to steer: 280 °T Speed over the ground: 10.7 kn Time to the mark: 20 min | No. 472005 (worked solution) |
| 6 | Course to steer: 033 °T Speed over the ground: 12.5 kn Time to the mark: 23 min | No. 472006 (worked solution) |
| 7 | Course to steer: 262 °T Speed over the ground: 5.9 kn Time to the mark: 64 min | No. 472007 (worked solution) |
| 8 | Course to steer: 339 °T Speed over the ground: 9.0 kn Time to the mark: 14 min | No. 472008 (worked solution) |