Worksheet 8 · Skill 6
Course to steer
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You are at 294°T, 1.8 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 9.7 kn. The current sets 202°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 099°T, 1.3 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 5.8 kn. The current sets 100°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 308°T, 1.3 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 6.9 kn. The current sets 309°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 014°T, 2.2 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.9 kn. The current sets 089°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 033°T, 3.3 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 7.4 kn. The current sets 056°T at 0.8 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 309°T, 3.8 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 6.7 kn. The current sets 092°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 052°T, 2.3 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 10.0 kn. The current sets 190°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 008°T, 1.8 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 11.5 kn. The current sets 023°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 254 °T Speed over the ground: 10.1 kn Time to the mark: 24 min | No. 8001 (worked solution) |
| 2 | Course to steer: 115 °T Speed over the ground: 7.6 kn Time to the mark: 25 min | No. 8002 (worked solution) |
| 3 | Course to steer: 067 °T Speed over the ground: 6.1 kn Time to the mark: 43 min | No. 8003 (worked solution) |
| 4 | Course to steer: 252 °T Speed over the ground: 5.6 kn Time to the mark: 62 min | No. 8004 (worked solution) |
| 5 | Course to steer: 137 °T Speed over the ground: 7.6 kn Time to the mark: 40 min | No. 8005 (worked solution) |
| 6 | Course to steer: 198 °T Speed over the ground: 6.5 kn Time to the mark: 51 min | No. 8006 (worked solution) |
| 7 | Course to steer: 088 °T Speed over the ground: 9.9 kn Time to the mark: 13 min | No. 8007 (worked solution) |
| 8 | Course to steer: 148 °T Speed over the ground: 10.3 kn Time to the mark: 30 min | No. 8008 (worked solution) |