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Worksheet 112 · 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 270°T, 2.4 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 7.1 kn. The current sets 068°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  

  2. You are at 327°T, 2.2 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 7.6 kn. The current sets 104°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  

  3. You are at 316°T, 2.4 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 10.3 kn. The current sets 355°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  

  4. You are at 335°T, 1.1 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 6.1 kn. The current sets 042°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  

  5. You are at 034°T, 2.4 nm from Mill stack, bound for Bell buoy "HS". Your speed through the water is 8.4 kn. The current sets 103°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  

  6. You are at 153°T, 1.5 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 11.5 kn. The current sets 048°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  

  7. You are at 353°T, 1.6 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 6.4 kn. The current sets 150°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  

  8. You are at 347°T, 1.2 nm from Heron Point Light, bound for Green can "1". Your speed through the water is 6.0 kn. The current sets 286°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  

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: 198 °T
Speed over the ground: 6.7 kn
Time to the mark: 23 min
No. 112001 (worked solution)
2Course to steer: 194 °T
Speed over the ground: 7.6 kn
Time to the mark: 27 min
No. 112002 (worked solution)
3Course to steer: 196 °T
Speed over the ground: 8.3 kn
Time to the mark: 38 min
No. 112003 (worked solution)
4Course to steer: 273 °T
Speed over the ground: 5.1 kn
Time to the mark: 71 min
No. 112004 (worked solution)
5Course to steer: 026 °T
Speed over the ground: 9.1 kn
Time to the mark: 47 min
No. 112005 (worked solution)
6Course to steer: 276 °T
Speed over the ground: 10.4 kn
Time to the mark: 33 min
No. 112006 (worked solution)
7Course to steer: 059 °T
Speed over the ground: 6.5 kn
Time to the mark: 38 min
No. 112007 (worked solution)
8Course to steer: 091 °T
Speed over the ground: 4.1 kn
Time to the mark: 30 min
No. 112008 (worked solution)