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Worksheet 50 · 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 072°T, 2.5 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 8.5 kn. The current sets 109°T at 0.5 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 149°T, 1.7 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.2 kn. The current sets 036°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  

  3. You are at 031°T, 2.6 nm from Mill stack, bound for Red nun "2". Your speed through the water is 6.0 kn. The current sets 151°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  

  4. You are at 066°T, 2.8 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 12.0 kn. The current sets 048°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 050°T, 3.0 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 5.9 kn. The current sets 159°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  

  6. You are at 035°T, 3.1 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.5 kn. The current sets 261°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  

  7. You are at 057°T, 1.7 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 6.2 kn. The current sets 257°T at 0.6 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 049°T, 2.2 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 10.5 kn. The current sets 008°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  

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: 029 °T
Speed over the ground: 8.6 kn
Time to the mark: 17 min
No. 50001 (worked solution)
2Course to steer: 116 °T
Speed over the ground: 7.8 kn
Time to the mark: 22 min
No. 50002 (worked solution)
3Course to steer: 308 °T
Speed over the ground: 4.5 kn
Time to the mark: 39 min
No. 50003 (worked solution)
4Course to steer: 168 °T
Speed over the ground: 11.2 kn
Time to the mark: 18 min
No. 50004 (worked solution)
5Course to steer: 115 °T
Speed over the ground: 7.6 kn
Time to the mark: 32 min
No. 50005 (worked solution)
6Course to steer: 246 °T
Speed over the ground: 8.2 kn
Time to the mark: 52 min
No. 50006 (worked solution)
7Course to steer: 299 °T
Speed over the ground: 6.7 kn
Time to the mark: 63 min
No. 50007 (worked solution)
8Course to steer: 100 °T
Speed over the ground: 10.5 kn
Time to the mark: 13 min
No. 50008 (worked solution)