Worksheet 6 · Skill 6
Course to steer
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You are at 051°T, 2.8 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 6.1 kn. The current sets 015°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 356°T, 1.8 nm from Mill stack, bound for Green can "1". Your speed through the water is 10.0 kn. The current sets 231°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 005°T, 0.9 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 7.7 kn. The current sets 258°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 034°T, 4.0 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 5.3 kn. The current sets 199°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 070°T, 3.7 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 5.2 kn. The current sets 210°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 085°T, 1.2 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 7.8 kn. The current sets 076°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 020°T, 1.5 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 7.4 kn. The current sets 320°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 073°T, 3.6 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.7 kn. The current sets 092°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 155 °T Speed over the ground: 5.2 kn Time to the mark: 44 min | No. 6001 (worked solution) |
| 2 | Course to steer: 314 °T Speed over the ground: 10.2 kn Time to the mark: 12 min | No. 6002 (worked solution) |
| 3 | Course to steer: 304 °T Speed over the ground: 8.1 kn Time to the mark: 43 min | No. 6003 (worked solution) |
| 4 | Course to steer: 121 °T Speed over the ground: 6.0 kn Time to the mark: 51 min | No. 6004 (worked solution) |
| 5 | Course to steer: 171 °T Speed over the ground: 5.8 kn Time to the mark: 34 min | No. 6005 (worked solution) |
| 6 | Course to steer: 037 °T Speed over the ground: 8.7 kn Time to the mark: 26 min | No. 6006 (worked solution) |
| 7 | Course to steer: 289 °T Speed over the ground: 9.0 kn Time to the mark: 40 min | No. 6007 (worked solution) |
| 8 | Course to steer: 130 °T Speed over the ground: 11.8 kn Time to the mark: 13 min | No. 6008 (worked solution) |