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Worksheet 514 · 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 014°T, 2.3 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 9.6 kn. The current sets 133°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  

  2. You are at 303°T, 1.6 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 12.0 kn. The current sets 116°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  

  3. You are at 065°T, 0.9 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 5.1 kn. The current sets 168°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 080°T, 1.8 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.8 kn. The current sets 143°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  

  5. You are at 030°T, 2.2 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 10.9 kn. The current sets 084°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  

  6. You are at 033°T, 2.0 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 9.6 kn. The current sets 040°T at 2.4 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  

  7. You are at 179°T, 1.5 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 11.7 kn. The current sets 331°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  

  8. You are at 040°T, 2.9 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.5 kn. The current sets 278°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: 101 °T
Speed over the ground: 10.9 kn
Time to the mark: 20 min
No. 514001 (worked solution)
2Course to steer: 194 °T
Speed over the ground: 12.3 kn
Time to the mark: 12 min
No. 514002 (worked solution)
3Course to steer: 028 °T
Speed over the ground: 4.0 kn
Time to the mark: 34 min
No. 514003 (worked solution)
4Course to steer: 098 °T
Speed over the ground: 11.6 kn
Time to the mark: 20 min
No. 514004 (worked solution)
5Course to steer: 026 °T
Speed over the ground: 11.5 kn
Time to the mark: 11 min
No. 514005 (worked solution)
6Course to steer: 268 °T
Speed over the ground: 8.2 kn
Time to the mark: 54 min
No. 514006 (worked solution)
7Course to steer: 031 °T
Speed over the ground: 13.0 kn
Time to the mark: 26 min
No. 514007 (worked solution)
8Course to steer: 143 °T
Speed over the ground: 6.3 kn
Time to the mark: 44 min
No. 514008 (worked solution)