Worksheet 565 · Skill 6
Course to steer
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You are at 044°T, 3.9 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 9.1 kn. The current sets 311°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 054°T, 1.9 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 9.2 kn. The current sets 152°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 142°T, 2.3 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.1 kn. The current sets 049°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 066°T, 0.8 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 9.0 kn. The current sets 299°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 050°T, 1.7 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 9.1 kn. The current sets 328°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 122°T, 1.2 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 9.5 kn. The current sets 283°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 036°T, 4.0 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 8.9 kn. The current sets 005°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 255°T, 2.8 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 10.3 kn. The current sets 270°T at 1.5 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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Course to steer: 165 °T Speed over the ground: 8.3 kn Time to the mark: 36 min | No. 565001 (worked solution) |
| 2 | Course to steer: 077 °T Speed over the ground: 9.7 kn Time to the mark: 15 min | No. 565002 (worked solution) |
| 3 | Course to steer: 247 °T Speed over the ground: 5.0 kn Time to the mark: 63 min | No. 565003 (worked solution) |
| 4 | Course to steer: 056 °T Speed over the ground: 8.6 kn Time to the mark: 28 min | No. 565004 (worked solution) |
| 5 | Course to steer: 262 °T Speed over the ground: 9.6 kn Time to the mark: 30 min | No. 565005 (worked solution) |
| 6 | Course to steer: 267 °T Speed over the ground: 11.8 kn Time to the mark: 33 min | No. 565006 (worked solution) |
| 7 | Course to steer: 150 °T Speed over the ground: 7.1 kn Time to the mark: 42 min | No. 565007 (worked solution) |
| 8 | Course to steer: 053 °T Speed over the ground: 9.1 kn Time to the mark: 44 min | No. 565008 (worked solution) |