Worksheet 446 · Skill 6
Course to steer
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You are at 248°T, 2.2 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.7 kn. The current sets 296°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 020°T, 2.8 nm from Mill stack, bound for Bell buoy "HS". Your speed through the water is 7.0 kn. The current sets 062°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 230°T, 1.8 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.6 kn. The current sets 256°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 259°T, 2.3 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 6.0 kn. The current sets 249°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
You are at 026°T, 2.1 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 8.3 kn. The current sets 318°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 007°T, 1.2 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 11.9 kn. The current sets 219°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 295°T, 4.4 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.4 kn. The current sets 092°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 057°T, 2.3 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.1 kn. The current sets 235°T at 1.7 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: 199 °T Speed over the ground: 7.7 kn Time to the mark: 21 min | No. 446001 (worked solution) |
| 2 | Course to steer: 041 °T Speed over the ground: 8.3 kn Time to the mark: 49 min | No. 446002 (worked solution) |
| 3 | Course to steer: 295 °T Speed over the ground: 11.3 kn Time to the mark: 19 min | No. 446003 (worked solution) |
| 4 | Course to steer: 050 °T Speed over the ground: 5.1 kn Time to the mark: 73 min | No. 446004 (worked solution) |
| 5 | Course to steer: 270 °T Speed over the ground: 9.8 kn Time to the mark: 44 min | No. 446005 (worked solution) |
| 6 | Course to steer: 272 °T Speed over the ground: 13.2 kn Time to the mark: 17 min | No. 446006 (worked solution) |
| 7 | Course to steer: 188 °T Speed over the ground: 9.4 kn Time to the mark: 32 min | No. 446007 (worked solution) |
| 8 | Course to steer: 021 °T Speed over the ground: 3.8 kn Time to the mark: 40 min | No. 446008 (worked solution) |