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Worksheet 435 · 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 340°T, 1.5 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 8.9 kn. The current sets 351°T at 1.0 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  

  2. You are at 143°T, 3.3 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.0 kn. The current sets 267°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  

  3. You are at 241°T, 2.6 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 5.3 kn. The current sets 178°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  

  4. You are at 088°T, 1.0 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 9.0 kn. The current sets 292°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  

  5. You are at 338°T, 1.5 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 6.4 kn. The current sets 119°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 321°T, 2.0 nm from Mill stack, bound for Red nun "2". Your speed through the water is 11.9 kn. The current sets 060°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  

  7. You are at 344°T, 2.1 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.3 kn. The current sets 356°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  

  8. You are at 343°T, 2.1 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 6.3 kn. The current sets 104°T at 1.0 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: 054 °T
Speed over the ground: 9.4 kn
Time to the mark: 23 min
No. 435001 (worked solution)
2Course to steer: 066 °T
Speed over the ground: 6.9 kn
Time to the mark: 37 min
No. 435002 (worked solution)
3Course to steer: 342 °T
Speed over the ground: 3.2 kn
Time to the mark: 47 min
No. 435003 (worked solution)
4Course to steer: 048 °T
Speed over the ground: 8.3 kn
Time to the mark: 17 min
No. 435004 (worked solution)
5Course to steer: 061 °T
Speed over the ground: 7.2 kn
Time to the mark: 37 min
No. 435005 (worked solution)
6Course to steer: 353 °T
Speed over the ground: 12.9 kn
Time to the mark: 10 min
No. 435006 (worked solution)
7Course to steer: 205 °T
Speed over the ground: 4.5 kn
Time to the mark: 79 min
No. 435007 (worked solution)
8Course to steer: 219 °T
Speed over the ground: 5.9 kn
Time to the mark: 60 min
No. 435008 (worked solution)