Worksheet 814 · Skill 6
Course to steer
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You are at 113°T, 1.2 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 7.0 kn. The current sets 072°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 049°T, 2.7 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.5 kn. The current sets 059°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 051°T, 3.8 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.9 kn. The current sets 211°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 250°T, 2.8 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.0 kn. The current sets 321°T at 0.5 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 090°T, 1.6 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 11.4 kn. The current sets 055°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 341°T, 2.7 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 7.3 kn. The current sets 311°T at 2.1 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 022°T, 1.7 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 5.1 kn. The current sets 063°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 092°T, 1.2 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 10.2 kn. The current sets 235°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 115 °T Speed over the ground: 8.4 kn Time to the mark: 24 min | No. 814001 (worked solution) |
| 2 | Course to steer: 132 °T Speed over the ground: 6.9 kn Time to the mark: 36 min | No. 814002 (worked solution) |
| 3 | Course to steer: 132 °T Speed over the ground: 11.2 kn Time to the mark: 21 min | No. 814003 (worked solution) |
| 4 | Course to steer: 051 °T Speed over the ground: 5.0 kn Time to the mark: 81 min | No. 814004 (worked solution) |
| 5 | Course to steer: 101 °T Speed over the ground: 12.3 kn Time to the mark: 20 min | No. 814005 (worked solution) |
| 6 | Course to steer: 257 °T Speed over the ground: 8.7 kn Time to the mark: 41 min | No. 814006 (worked solution) |
| 7 | Course to steer: 269 °T Speed over the ground: 4.1 kn Time to the mark: 111 min | No. 814007 (worked solution) |
| 8 | Course to steer: 035 °T Speed over the ground: 8.5 kn Time to the mark: 17 min | No. 814008 (worked solution) |