Worksheet 899 · Skill 6
Course to steer
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You are at 018°T, 0.9 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.0 kn. The current sets 002°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 253°T, 2.2 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 6.7 kn. The current sets 111°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 120°T, 1.7 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.8 kn. The current sets 003°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 041°T, 3.4 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 5.6 kn. The current sets 128°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 053°T, 3.0 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.7 kn. The current sets 200°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 289°T, 2.8 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 9.2 kn. The current sets 267°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 343°T, 2.2 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 8.5 kn. The current sets 359°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 175°T, 1.7 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 11.5 kn. The current sets 145°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 249 °T Speed over the ground: 6.6 kn Time to the mark: 47 min | No. 899001 (worked solution) |
| 2 | Course to steer: 218 °T Speed over the ground: 6.4 kn Time to the mark: 19 min | No. 899002 (worked solution) |
| 3 | Course to steer: 105 °T Speed over the ground: 11.7 kn Time to the mark: 15 min | No. 899003 (worked solution) |
| 4 | Course to steer: 168 °T Speed over the ground: 6.5 kn Time to the mark: 44 min | No. 899004 (worked solution) |
| 5 | Course to steer: 116 °T Speed over the ground: 6.9 kn Time to the mark: 34 min | No. 899005 (worked solution) |
| 6 | Course to steer: 156 °T Speed over the ground: 9.0 kn Time to the mark: 18 min | No. 899006 (worked solution) |
| 7 | Course to steer: 115 °T Speed over the ground: 7.8 kn Time to the mark: 36 min | No. 899007 (worked solution) |
| 8 | Course to steer: 044 °T Speed over the ground: 11.3 kn Time to the mark: 26 min | No. 899008 (worked solution) |