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Worksheet 547 · 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 142°T, 1.6 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 11.0 kn. The current sets 054°T at 1.2 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  

  2. You are at 337°T, 1.7 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.1 kn. The current sets 296°T at 1.2 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  

  3. You are at 020°T, 2.8 nm from Mill stack, bound for Green can "3". Your speed through the water is 5.5 kn. The current sets 303°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  

  4. You are at 022°T, 3.1 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 5.6 kn. The current sets 048°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  

  5. You are at 251°T, 2.2 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 10.0 kn. The current sets 333°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  

  6. You are at 021°T, 2.4 nm from Mill stack, bound for Green can "1". Your speed through the water is 11.2 kn. The current sets 220°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  

  7. You are at 025°T, 1.9 nm from Mill stack, bound for Green can "1". Your speed through the water is 11.6 kn. The current sets 059°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  

  8. You are at 290°T, 2.5 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 5.6 kn. The current sets 165°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  

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: 278 °T
Speed over the ground: 10.2 kn
Time to the mark: 35 min
No. 547001 (worked solution)
2Course to steer: 190 °T
Speed over the ground: 7.8 kn
Time to the mark: 25 min
No. 547002 (worked solution)
3Course to steer: 342 °T
Speed over the ground: 6.3 kn
Time to the mark: 20 min
No. 547003 (worked solution)
4Course to steer: 152 °T
Speed over the ground: 5.5 kn
Time to the mark: 58 min
No. 547004 (worked solution)
5Course to steer: 264 °T
Speed over the ground: 10.6 kn
Time to the mark: 19 min
No. 547005 (worked solution)
6Course to steer: 292 °T
Speed over the ground: 11.5 kn
Time to the mark: 15 min
No. 547006 (worked solution)
7Course to steer: 287 °T
Speed over the ground: 10.1 kn
Time to the mark: 17 min
No. 547007 (worked solution)
8Course to steer: 195 °T
Speed over the ground: 6.3 kn
Time to the mark: 33 min
No. 547008 (worked solution)