Worksheet 320 · Skill 6
Course to steer
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You are at 046°T, 2.8 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.7 kn. The current sets 332°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 034°T, 2.3 nm from Mill stack, bound for Green can "1". Your speed through the water is 7.5 kn. The current sets 148°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 281°T, 1.6 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.8 kn. The current sets 090°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 297°T, 2.0 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 5.7 kn. The current sets 021°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 253°T, 1.8 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 10.0 kn. The current sets 096°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 147°T, 1.3 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 10.9 kn. The current sets 257°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 211°T, 2.4 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 8.6 kn. The current sets 049°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 059°T, 3.0 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 10.0 kn. The current sets 095°T at 1.0 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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 241 °T Speed over the ground: 9.9 kn Time to the mark: 43 min | No. 320001 (worked solution) |
| 2 | Course to steer: 300 °T Speed over the ground: 5.8 kn Time to the mark: 34 min | No. 320002 (worked solution) |
| 3 | Course to steer: 218 °T Speed over the ground: 8.1 kn Time to the mark: 29 min | No. 320003 (worked solution) |
| 4 | Course to steer: 300 °T Speed over the ground: 6.1 kn Time to the mark: 42 min | No. 320004 (worked solution) |
| 5 | Course to steer: 221 °T Speed over the ground: 9.2 kn Time to the mark: 15 min | No. 320005 (worked solution) |
| 6 | Course to steer: 102 °T Speed over the ground: 9.1 kn Time to the mark: 21 min | No. 320006 (worked solution) |
| 7 | Course to steer: 315 °T Speed over the ground: 8.6 kn Time to the mark: 26 min | No. 320007 (worked solution) |
| 8 | Course to steer: 154 °T Speed over the ground: 10.5 kn Time to the mark: 19 min | No. 320008 (worked solution) |