Worksheet 821 · Skill 6
Course to steer
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You are at 042°T, 1.3 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 9.9 kn. The current sets 356°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 030°T, 3.3 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 8.4 kn. The current sets 076°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 063°T, 1.7 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 10.2 kn. The current sets 125°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 276°T, 3.8 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 5.9 kn. The current sets 294°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 335°T, 2.0 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 10.4 kn. The current sets 177°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 294°T, 2.6 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 5.3 kn. The current sets 092°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 020°T, 1.0 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 5.8 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 330°T, 2.6 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 11.8 kn. The current sets 142°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 293 °T Speed over the ground: 10.2 kn Time to the mark: 38 min | No. 821001 (worked solution) |
| 2 | Course to steer: 144 °T Speed over the ground: 9.6 kn Time to the mark: 32 min | No. 821002 (worked solution) |
| 3 | Course to steer: 262 °T Speed over the ground: 9.6 kn Time to the mark: 44 min | No. 821003 (worked solution) |
| 4 | Course to steer: 146 °T Speed over the ground: 4.0 kn Time to the mark: 45 min | No. 821004 (worked solution) |
| 5 | Course to steer: 198 °T Speed over the ground: 12.7 kn Time to the mark: 17 min | No. 821005 (worked solution) |
| 6 | Course to steer: 187 °T Speed over the ground: 5.5 kn Time to the mark: 30 min | No. 821006 (worked solution) |
| 7 | Course to steer: 093 °T Speed over the ground: 4.4 kn Time to the mark: 75 min | No. 821007 (worked solution) |
| 8 | Course to steer: 194 °T Speed over the ground: 13.5 kn Time to the mark: 17 min | No. 821008 (worked solution) |