Worksheet 781 · Skill 6
Course to steer
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You are at 056°T, 1.9 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.9 kn. The current sets 352°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 030°T, 2.4 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.7 kn. The current sets 128°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 053°T, 1.6 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 12.0 kn. The current sets 073°T at 1.9 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 011°T, 2.5 nm from Mill stack, bound for Green can "1". Your speed through the water is 5.7 kn. The current sets 264°T at 2.4 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 050°T, 2.1 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 5.3 kn. The current sets 160°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 044°T, 2.9 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.4 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
You are at 069°T, 3.1 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.0 kn. The current sets 069°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 197°T, 1.6 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.7 kn. The current sets 189°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 117 °T Speed over the ground: 9.3 kn Time to the mark: 28 min | No. 781001 (worked solution) |
| 2 | Course to steer: 270 °T Speed over the ground: 5.3 kn Time to the mark: 55 min | No. 781002 (worked solution) |
| 3 | Course to steer: 048 °T Speed over the ground: 13.7 kn Time to the mark: 14 min | No. 781003 (worked solution) |
| 4 | Course to steer: 295 °T Speed over the ground: 7.9 kn Time to the mark: 18 min | No. 781004 (worked solution) |
| 5 | Course to steer: 267 °T Speed over the ground: 5.1 kn Time to the mark: 86 min | No. 781005 (worked solution) |
| 6 | Course to steer: 258 °T Speed over the ground: 4.1 kn Time to the mark: 105 min | No. 781006 (worked solution) |
| 7 | Course to steer: 321 °T Speed over the ground: 4.8 kn Time to the mark: 35 min | No. 781007 (worked solution) |
| 8 | Course to steer: 301 °T Speed over the ground: 9.1 kn Time to the mark: 30 min | No. 781008 (worked solution) |