Worksheet 21 · Skill 6
Course to steer
Plot Pass worksheet. Plot Pass $1.95/month or $19.50/year · Free during preview. Plotroom · cedarpointmarina.net · invented chart, not for navigation.
You are at 050°T, 3.4 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.5 kn. The current sets 038°T at 0.9 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 009°T, 1.8 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 6.0 kn. The current sets 207°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 060°T, 1.7 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.6 kn. The current sets 334°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 046°T, 1.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 12.0 kn. The current sets 195°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 049°T, 2.1 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 6.0 kn. The current sets 295°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 058°T, 1.1 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.2 kn. The current sets 243°T at 2.5 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
You are at 002°T, 1.5 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 10.9 kn. The current sets 059°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 345°T, 1.8 nm from Mill stack, bound for Red nun "2". Your speed through the water is 5.9 kn. The current sets 132°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: 137 °T Speed over the ground: 10.4 kn Time to the mark: 23 min | No. 21001 (worked solution) |
| 2 | Course to steer: 113 °T Speed over the ground: 6.1 kn Time to the mark: 50 min | No. 21002 (worked solution) |
| 3 | Course to steer: 258 °T Speed over the ground: 7.2 kn Time to the mark: 42 min | No. 21003 (worked solution) |
| 4 | Course to steer: 120 °T Speed over the ground: 12.4 kn Time to the mark: 20 min | No. 21004 (worked solution) |
| 5 | Course to steer: 145 °T Speed over the ground: 5.5 kn Time to the mark: 44 min | No. 21005 (worked solution) |
| 6 | Course to steer: 274 °T Speed over the ground: 7.5 kn Time to the mark: 46 min | No. 21006 (worked solution) |
| 7 | Course to steer: 256 °T Speed over the ground: 8.9 kn Time to the mark: 24 min | No. 21007 (worked solution) |
| 8 | Course to steer: 332 °T Speed over the ground: 4.3 kn Time to the mark: 29 min | No. 21008 (worked solution) |