Worksheet 53 · Skill 6
Course to steer
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You are at 277°T, 2.0 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.0 kn. The current sets 015°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 274°T, 2.8 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.0 kn. The current sets 316°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 287°T, 1.4 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 9.5 kn. The current sets 020°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 123°T, 2.1 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 9.7 kn. The current sets 230°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 051°T, 1.2 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 5.5 kn. The current sets 030°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 292°T, 3.5 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 11.2 kn. The current sets 107°T at 1.1 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 045°T, 1.9 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 10.9 kn. The current sets 245°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 338°T, 1.1 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 9.5 kn. The current sets 174°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 245 °T Speed over the ground: 5.7 kn Time to the mark: 30 min | No. 53001 (worked solution) |
| 2 | Course to steer: 185 °T Speed over the ground: 4.5 kn Time to the mark: 46 min | No. 53002 (worked solution) |
| 3 | Course to steer: 052 °T Speed over the ground: 11.4 kn Time to the mark: 26 min | No. 53003 (worked solution) |
| 4 | Course to steer: 087 °T Speed over the ground: 8.2 kn Time to the mark: 19 min | No. 53004 (worked solution) |
| 5 | Course to steer: 150 °T Speed over the ground: 4.9 kn Time to the mark: 48 min | No. 53005 (worked solution) |
| 6 | Course to steer: 182 °T Speed over the ground: 11.5 kn Time to the mark: 20 min | No. 53006 (worked solution) |
| 7 | Course to steer: 358 °T Speed over the ground: 10.6 kn Time to the mark: 31 min | No. 53007 (worked solution) |
| 8 | Course to steer: 295 °T Speed over the ground: 8.9 kn Time to the mark: 41 min | No. 53008 (worked solution) |