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Worksheet 78 · 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 019°T, 2.8 nm from Mill stack, bound for Bell buoy "HS". Your speed through the water is 6.0 kn. The current sets 088°T at 0.9 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  

  2. You are at 040°T, 1.4 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 9.3 kn. The current sets 106°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  

  3. You are at 302°T, 4.4 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 11.4 kn. The current sets 095°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  

  4. You are at 038°T, 2.3 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 10.8 kn. The current sets 016°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  

  5. You are at 039°T, 2.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 6.6 kn. The current sets 027°T at 0.9 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  

  6. You are at 271°T, 3.0 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 7.9 kn. The current sets 359°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  

  7. You are at 315°T, 1.7 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 7.0 kn. The current sets 181°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  

  8. You are at 279°T, 1.7 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 8.2 kn. The current sets 244°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  

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: 039 °T
Speed over the ground: 6.6 kn
Time to the mark: 62 min
No. 78001 (worked solution)
2Course to steer: 144 °T
Speed over the ground: 10.9 kn
Time to the mark: 23 min
No. 78002 (worked solution)
3Course to steer: 157 °T
Speed over the ground: 12.0 kn
Time to the mark: 22 min
No. 78003 (worked solution)
4Course to steer: 247 °T
Speed over the ground: 10.0 kn
Time to the mark: 39 min
No. 78004 (worked solution)
5Course to steer: 147 °T
Speed over the ground: 6.2 kn
Time to the mark: 42 min
No. 78005 (worked solution)
6Course to steer: 151 °T
Speed over the ground: 6.1 kn
Time to the mark: 21 min
No. 78006 (worked solution)
7Course to steer: 318 °T
Speed over the ground: 5.8 kn
Time to the mark: 47 min
No. 78007 (worked solution)
8Course to steer: 270 °T
Speed over the ground: 10.1 kn
Time to the mark: 19 min
No. 78008 (worked solution)