Worksheet 589 · Skill 6
Course to steer
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You are at 338°T, 0.8 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 8.9 kn. The current sets 176°T at 1.3 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 095°T, 1.4 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 5.0 kn. The current sets 325°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 201°T, 2.2 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 6.4 kn. The current sets 327°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
You are at 169°T, 1.4 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 11.7 kn. The current sets 049°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 072°T, 2.0 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 10.3 kn. The current sets 154°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 079°T, 3.0 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 8.2 kn. The current sets 055°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 334°T, 2.2 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 9.7 kn. The current sets 342°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 238°T, 1.2 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 7.7 kn. The current sets 321°T at 0.5 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: 281 °T Speed over the ground: 8.7 kn Time to the mark: 22 min | No. 589001 (worked solution) |
| 2 | Course to steer: 134 °T Speed over the ground: 3.6 kn Time to the mark: 49 min | No. 589002 (worked solution) |
| 3 | Course to steer: 278 °T Speed over the ground: 7.6 kn Time to the mark: 38 min | No. 589003 (worked solution) |
| 4 | Course to steer: 296 °T Speed over the ground: 11.4 kn Time to the mark: 23 min | No. 589004 (worked solution) |
| 5 | Course to steer: 358 °T Speed over the ground: 8.2 kn Time to the mark: 23 min | No. 589005 (worked solution) |
| 6 | Course to steer: 123 °T Speed over the ground: 9.1 kn Time to the mark: 19 min | No. 589006 (worked solution) |
| 7 | Course to steer: 106 °T Speed over the ground: 8.9 kn Time to the mark: 34 min | No. 589007 (worked solution) |
| 8 | Course to steer: 040 °T Speed over the ground: 7.8 kn Time to the mark: 42 min | No. 589008 (worked solution) |