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Worksheet 516 · 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 038°T, 1.6 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.7 kn. The current sets 063°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  

  2. You are at 005°T, 2.3 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 8.0 kn. The current sets 018°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  

  3. You are at 063°T, 3.3 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 11.3 kn. The current sets 345°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  

  4. You are at 119°T, 1.5 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 6.7 kn. The current sets 159°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  

  5. You are at 067°T, 2.0 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 6.8 kn. The current sets 015°T at 0.7 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  

  6. You are at 319°T, 1.3 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 5.9 kn. The current sets 163°T at 1.2 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 294°T, 3.6 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 9.5 kn. The current sets 301°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  

  8. You are at 154°T, 2.8 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.9 kn. The current sets 003°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

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: 253 °T
Speed over the ground: 4.4 kn
Time to the mark: 80 min
No. 516001 (worked solution)
2Course to steer: 154 °T
Speed over the ground: 6.7 kn
Time to the mark: 50 min
No. 516002 (worked solution)
3Course to steer: 253 °T
Speed over the ground: 11.5 kn
Time to the mark: 34 min
No. 516003 (worked solution)
4Course to steer: 033 °T
Speed over the ground: 5.6 kn
Time to the mark: 36 min
No. 516004 (worked solution)
5Course to steer: 254 °T
Speed over the ground: 6.5 kn
Time to the mark: 68 min
No. 516005 (worked solution)
6Course to steer: 010 °T
Speed over the ground: 4.9 kn
Time to the mark: 75 min
No. 516006 (worked solution)
7Course to steer: 146 °T
Speed over the ground: 7.7 kn
Time to the mark: 27 min
No. 516007 (worked solution)
8Course to steer: 278 °T
Speed over the ground: 9.2 kn
Time to the mark: 20 min
No. 516008 (worked solution)