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Worksheet 649 · 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 211°T, 1.1 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 10.6 kn. The current sets 260°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  

  2. You are at 039°T, 3.9 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 5.7 kn. The current sets 295°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  

  3. You are at 005°T, 1.7 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 6.2 kn. The current sets 155°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  

  4. You are at 026°T, 2.6 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 5.2 kn. The current sets 168°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  

  5. You are at 008°T, 1.7 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 7.7 kn. The current sets 339°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  

  6. You are at 192°T, 1.9 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 5.7 kn. The current sets 176°T at 2.2 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 346°T, 2.1 nm from Mill stack, bound for Green can "3". Your speed through the water is 9.6 kn. The current sets 126°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  

  8. You are at 165°T, 1.5 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 10.8 kn. The current sets 011°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  

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: 310 °T
Speed over the ground: 12.1 kn
Time to the mark: 17 min
No. 649001 (worked solution)
2Course to steer: 153 °T
Speed over the ground: 4.6 kn
Time to the mark: 68 min
No. 649002 (worked solution)
3Course to steer: 294 °T
Speed over the ground: 5.0 kn
Time to the mark: 77 min
No. 649003 (worked solution)
4Course to steer: 118 °T
Speed over the ground: 5.6 kn
Time to the mark: 57 min
No. 649004 (worked solution)
5Course to steer: 259 °T
Speed over the ground: 8.5 kn
Time to the mark: 50 min
No. 649005 (worked solution)
6Course to steer: 035 °T
Speed over the ground: 4.2 kn
Time to the mark: 77 min
No. 649006 (worked solution)
7Course to steer: 006 °T
Speed over the ground: 9.0 kn
Time to the mark: 18 min
No. 649007 (worked solution)
8Course to steer: 247 °T
Speed over the ground: 10.2 kn
Time to the mark: 21 min
No. 649008 (worked solution)