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Worksheet 373 · 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 248°T, 2.1 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 10.9 kn. The current sets 089°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  

  2. You are at 143°T, 1.4 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 11.1 kn. The current sets 148°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  

  3. You are at 335°T, 0.9 nm from Heron Point Light, bound for Green can "1". Your speed through the water is 8.8 kn. The current sets 153°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 295°T, 3.4 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 10.8 kn. The current sets 317°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  

  5. You are at 340°T, 1.0 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 7.5 kn. The current sets 127°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  

  6. You are at 282°T, 2.3 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 10.7 kn. The current sets 214°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  

  7. You are at 027°T, 2.6 nm from Mill stack, bound for Bell buoy "HS". Your speed through the water is 5.2 kn. The current sets 142°T at 0.8 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  

  8. You are at 009°T, 2.1 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 11.2 kn. The current sets 254°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: 282 °T
Speed over the ground: 8.6 kn
Time to the mark: 21 min
No. 373001 (worked solution)
2Course to steer: 100 °T
Speed over the ground: 12.7 kn
Time to the mark: 14 min
No. 373002 (worked solution)
3Course to steer: 067 °T
Speed over the ground: 9.0 kn
Time to the mark: 15 min
No. 373003 (worked solution)
4Course to steer: 182 °T
Speed over the ground: 10.0 kn
Time to the mark: 27 min
No. 373004 (worked solution)
5Course to steer: 060 °T
Speed over the ground: 8.1 kn
Time to the mark: 22 min
No. 373005 (worked solution)
6Course to steer: 190 °T
Speed over the ground: 12.8 kn
Time to the mark: 14 min
No. 373006 (worked solution)
7Course to steer: 033 °T
Speed over the ground: 5.0 kn
Time to the mark: 83 min
No. 373007 (worked solution)
8Course to steer: 098 °T
Speed over the ground: 9.9 kn
Time to the mark: 23 min
No. 373008 (worked solution)