Worksheet 86 · Skill 6
Course to steer
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You are at 023°T, 2.1 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 6.8 kn. The current sets 320°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 341°T, 2.4 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.8 kn. The current sets 177°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 001°T, 2.0 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 9.1 kn. The current sets 090°T at 0.6 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 218°T, 2.2 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.5 kn. The current sets 125°T at 0.6 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 343°T, 1.8 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 6.8 kn. The current sets 237°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 327°T, 1.4 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 7.8 kn. The current sets 181°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 088°T, 2.6 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.6 kn. The current sets 118°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 017°T, 3.1 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.1 kn. The current sets 188°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: 237 °T Speed over the ground: 7.1 kn Time to the mark: 57 min | No. 86001 (worked solution) |
| 2 | Course to steer: 210 °T Speed over the ground: 10.3 kn Time to the mark: 30 min | No. 86002 (worked solution) |
| 3 | Course to steer: 217 °T Speed over the ground: 8.8 kn Time to the mark: 37 min | No. 86003 (worked solution) |
| 4 | Course to steer: 244 °T Speed over the ground: 5.2 kn Time to the mark: 30 min | No. 86004 (worked solution) |
| 5 | Course to steer: 084 °T Speed over the ground: 4.9 kn Time to the mark: 55 min | No. 86005 (worked solution) |
| 6 | Course to steer: 313 °T Speed over the ground: 6.8 kn Time to the mark: 44 min | No. 86006 (worked solution) |
| 7 | Course to steer: 156 °T Speed over the ground: 8.3 kn Time to the mark: 17 min | No. 86007 (worked solution) |
| 8 | Course to steer: 112 °T Speed over the ground: 10.0 kn Time to the mark: 35 min | No. 86008 (worked solution) |