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Worksheet 364 · Skill 6

Course to steer

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Plot Pass worksheet. Plot Pass $1.95/month or $19.50/year · Free during preview. Plotroom · cedarpointmarina.net · invented chart, not for navigation.

  1. You are at 329°T, 1.3 nm from Heron Point Light, bound for Green can "1". Your speed through the water is 5.2 kn. The current sets 210°T at 1.8 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  

  2. You are at 275°T, 3.0 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 11.7 kn. The current sets 291°T at 1.8 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  

  3. You are at 105°T, 1.9 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 5.6 kn. The current sets 038°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  

  4. You are at 353°T, 1.2 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.4 kn. The current sets 356°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  

  5. You are at 221°T, 1.0 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.4 kn. The current sets 132°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  

  6. You are at 204°T, 2.3 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 10.0 kn. The current sets 126°T at 1.8 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  

  7. You are at 327°T, 1.2 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 9.6 kn. The current sets 143°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  

  8. You are at 323°T, 2.5 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 9.4 kn. The current sets 283°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

Practice Sheet No. 1 with the starting fixes of this worksheet 34 41 22 38 29 18 27 44 12 21 19 N VAR 7°W (invented) Heron Sound Heron Point Tern Island Westfield Kittle Gannet Rock Fl W 4s 52ft 14M TR TANK SPIRE STACK Dbn 1 2 3 HS 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Border scale: nautical miles (1 nm = 10 ticks) PRACTICE SHEET No. 1 · HERON SOUNDInvented for practice · NOT FOR NAVIGATION · Plotroom Start Start Start Start Start Start Start Start

Answer key

No.AnswersProblem
1Course to steer: 067 °T
Speed over the ground: 3.9 kn
Time to the mark: 38 min
No. 364001 (worked solution)
2Course to steer: 172 °T
Speed over the ground: 10.9 kn
Time to the mark: 15 min
No. 364002 (worked solution)
3Course to steer: 142 °T
Speed over the ground: 5.4 kn
Time to the mark: 27 min
No. 364003 (worked solution)
4Course to steer: 255 °T
Speed over the ground: 6.3 kn
Time to the mark: 32 min
No. 364004 (worked solution)
5Course to steer: 289 °T
Speed over the ground: 4.1 kn
Time to the mark: 62 min
No. 364005 (worked solution)
6Course to steer: 046 °T
Speed over the ground: 10.5 kn
Time to the mark: 34 min
No. 364006 (worked solution)
7Course to steer: 297 °T
Speed over the ground: 7.6 kn
Time to the mark: 47 min
No. 364007 (worked solution)
8Course to steer: 188 °T
Speed over the ground: 9.4 kn
Time to the mark: 30 min
No. 364008 (worked solution)