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Worksheet 588 · 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 019°T, 2.8 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 9.1 kn. The current sets 037°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  

  2. You are at 067°T, 1.3 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 11.8 kn. The current sets 100°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  

  3. You are at 325°T, 1.2 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 7.6 kn. The current sets 285°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  

  4. You are at 341°T, 1.2 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 6.7 kn. The current sets 233°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  

  5. You are at 028°T, 2.1 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 10.5 kn. The current sets 184°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 068°T, 1.7 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.7 kn. The current sets 054°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  

  7. You are at 132°T, 1.8 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.4 kn. The current sets 186°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 052°T, 2.9 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 5.2 kn. The current sets 122°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  

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: 163 °T
Speed over the ground: 7.9 kn
Time to the mark: 41 min
No. 588001 (worked solution)
2Course to steer: 006 °T
Speed over the ground: 11.9 kn
Time to the mark: 17 min
No. 588002 (worked solution)
3Course to steer: 246 °T
Speed over the ground: 8.6 kn
Time to the mark: 35 min
No. 588003 (worked solution)
4Course to steer: 078 °T
Speed over the ground: 4.9 kn
Time to the mark: 54 min
No. 588004 (worked solution)
5Course to steer: 138 °T
Speed over the ground: 12.0 kn
Time to the mark: 23 min
No. 588005 (worked solution)
6Course to steer: 113 °T
Speed over the ground: 7.3 kn
Time to the mark: 34 min
No. 588006 (worked solution)
7Course to steer: 102 °T
Speed over the ground: 7.5 kn
Time to the mark: 20 min
No. 588007 (worked solution)
8Course to steer: 158 °T
Speed over the ground: 7.1 kn
Time to the mark: 32 min
No. 588008 (worked solution)