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Worksheet 11 · 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 301°T, 3.6 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.4 kn. The current sets 224°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  

  2. You are at 067°T, 2.8 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 10.6 kn. The current sets 358°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  

  3. You are at 296°T, 4.3 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 10.9 kn. The current sets 328°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 243°T, 1.9 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 12.0 kn. The current sets 110°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  

  5. You are at 033°T, 1.3 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.4 kn. The current sets 019°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  

  6. You are at 037°T, 3.2 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 8.5 kn. The current sets 308°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  

  7. You are at 216°T, 2.2 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 8.8 kn. The current sets 278°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  

  8. You are at 276°T, 3.7 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 10.5 kn. The current sets 044°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  

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: 176 °T
Speed over the ground: 11.2 kn
Time to the mark: 27 min
No. 11001 (worked solution)
2Course to steer: 037 °T
Speed over the ground: 12.0 kn
Time to the mark: 11 min
No. 11002 (worked solution)
3Course to steer: 174 °T
Speed over the ground: 9.7 kn
Time to the mark: 31 min
No. 11003 (worked solution)
4Course to steer: 036 °T
Speed over the ground: 12.3 kn
Time to the mark: 30 min
No. 11004 (worked solution)
5Course to steer: 249 °T
Speed over the ground: 8.3 kn
Time to the mark: 41 min
No. 11005 (worked solution)
6Course to steer: 154 °T
Speed over the ground: 7.2 kn
Time to the mark: 41 min
No. 11006 (worked solution)
7Course to steer: 300 °T
Speed over the ground: 10.4 kn
Time to the mark: 23 min
No. 11007 (worked solution)
8Course to steer: 140 °T
Speed over the ground: 10.4 kn
Time to the mark: 16 min
No. 11008 (worked solution)