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Worksheet 187 · 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 055°T, 2.0 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 6.3 kn. The current sets 311°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 039°T, 1.7 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 7.5 kn. The current sets 256°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 269°T, 3.1 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 6.3 kn. The current sets 123°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  

  4. You are at 328°T, 2.9 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.4 kn. The current sets 146°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  

  5. You are at 013°T, 2.0 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 8.0 kn. The current sets 320°T at 1.6 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  

  6. You are at 306°T, 4.0 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 5.4 kn. The current sets 039°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  

  7. You are at 201°T, 2.1 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 10.4 kn. The current sets 331°T at 0.7 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  

  8. You are at 013°T, 1.8 nm from Mill stack, bound for Green can "3". Your speed through the water is 6.0 kn. The current sets 241°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: 143 °T
Speed over the ground: 4.8 kn
Time to the mark: 47 min
No. 187001 (worked solution)
2Course to steer: 102 °T
Speed over the ground: 5.7 kn
Time to the mark: 51 min
No. 187002 (worked solution)
3Course to steer: 141 °T
Speed over the ground: 7.6 kn
Time to the mark: 16 min
No. 187003 (worked solution)
4Course to steer: 208 °T
Speed over the ground: 9.1 kn
Time to the mark: 39 min
No. 187004 (worked solution)
5Course to steer: 265 °T
Speed over the ground: 9.0 kn
Time to the mark: 48 min
No. 187005 (worked solution)
6Course to steer: 112 °T
Speed over the ground: 6.0 kn
Time to the mark: 73 min
No. 187006 (worked solution)
7Course to steer: 059 °T
Speed over the ground: 10.4 kn
Time to the mark: 33 min
No. 187007 (worked solution)
8Course to steer: 014 °T
Speed over the ground: 4.8 kn
Time to the mark: 36 min
No. 187008 (worked solution)