Worksheet 74 · Skill 6
Course to steer
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You are at 104°T, 2.3 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 7.0 kn. The current sets 016°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 008°T, 1.2 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.2 kn. The current sets 168°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 083°T, 2.4 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 11.6 kn. The current sets 249°T at 2.3 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 222°T, 2.5 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.6 kn. The current sets 143°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 001°T, 1.5 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 5.0 kn. The current sets 193°T at 2.3 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 319°T, 1.4 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 7.2 kn. The current sets 064°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 069°T, 1.7 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 10.5 kn. The current sets 029°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 053°T, 2.6 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.4 kn. The current sets 019°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: 107 °T Speed over the ground: 7.3 kn Time to the mark: 28 min | No. 74001 (worked solution) |
| 2 | Course to steer: 122 °T Speed over the ground: 8.8 kn Time to the mark: 32 min | No. 74002 (worked solution) |
| 3 | Course to steer: 139 °T Speed over the ground: 11.0 kn Time to the mark: 14 min | No. 74003 (worked solution) |
| 4 | Course to steer: 304 °T Speed over the ground: 8.1 kn Time to the mark: 27 min | No. 74004 (worked solution) |
| 5 | Course to steer: 099 °T Speed over the ground: 5.3 kn Time to the mark: 58 min | No. 74005 (worked solution) |
| 6 | Course to steer: 217 °T Speed over the ground: 5.8 kn Time to the mark: 43 min | No. 74006 (worked solution) |
| 7 | Course to steer: 083 °T Speed over the ground: 11.9 kn Time to the mark: 13 min | No. 74007 (worked solution) |
| 8 | Course to steer: 250 °T Speed over the ground: 5.8 kn Time to the mark: 73 min | No. 74008 (worked solution) |