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Worksheet 454 · 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 334°T, 1.4 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 7.2 kn. The current sets 116°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 011°T, 1.7 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 6.0 kn. The current sets 218°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  

  3. You are at 067°T, 3.5 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 7.3 kn. The current sets 011°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 307°T, 2.6 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 11.7 kn. The current sets 351°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  

  5. You are at 309°T, 3.2 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.5 kn. The current sets 320°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  

  6. You are at 012°T, 1.1 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 7.4 kn. The current sets 317°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 320°T, 2.5 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.6 kn. The current sets 046°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  

  8. You are at 019°T, 1.5 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 6.6 kn. The current sets 016°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  

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: 229 °T
Speed over the ground: 6.7 kn
Time to the mark: 40 min
No. 454001 (worked solution)
2Course to steer: 282 °T
Speed over the ground: 6.3 kn
Time to the mark: 68 min
No. 454002 (worked solution)
3Course to steer: 168 °T
Speed over the ground: 5.3 kn
Time to the mark: 34 min
No. 454003 (worked solution)
4Course to steer: 104 °T
Speed over the ground: 11.0 kn
Time to the mark: 33 min
No. 454004 (worked solution)
5Course to steer: 161 °T
Speed over the ground: 6.7 kn
Time to the mark: 33 min
No. 454005 (worked solution)
6Course to steer: 079 °T
Speed over the ground: 6.5 kn
Time to the mark: 36 min
No. 454006 (worked solution)
7Course to steer: 208 °T
Speed over the ground: 7.3 kn
Time to the mark: 45 min
No. 454007 (worked solution)
8Course to steer: 108 °T
Speed over the ground: 6.8 kn
Time to the mark: 31 min
No. 454008 (worked solution)