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Worksheet 28 · 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 277°T, 2.0 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.1 kn. The current sets 110°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  

  2. You are at 295°T, 3.6 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 6.0 kn. The current sets 087°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 037°T, 2.6 nm from Mill stack, bound for Green can "3". Your speed through the water is 9.1 kn. The current sets 219°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 266°T, 3.1 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 7.8 kn. The current sets 256°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  

  5. You are at 046°T, 3.0 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 5.7 kn. The current sets 278°T at 1.8 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  

  6. You are at 252°T, 2.4 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 11.4 kn. The current sets 084°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  

  7. You are at 066°T, 2.7 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 9.6 kn. The current sets 193°T at 1.8 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  

  8. You are at 218°T, 1.3 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 10.2 kn. The current sets 311°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  

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: 222 °T
Speed over the ground: 7.5 kn
Time to the mark: 30 min
No. 28001 (worked solution)
2Course to steer: 189 °T
Speed over the ground: 5.9 kn
Time to the mark: 41 min
No. 28002 (worked solution)
3Course to steer: 337 °T
Speed over the ground: 8.6 kn
Time to the mark: 20 min
No. 28003 (worked solution)
4Course to steer: 170 °T
Speed over the ground: 7.9 kn
Time to the mark: 17 min
No. 28004 (worked solution)
5Course to steer: 252 °T
Speed over the ground: 7.4 kn
Time to the mark: 47 min
No. 28005 (worked solution)
6Course to steer: 217 °T
Speed over the ground: 10.1 kn
Time to the mark: 16 min
No. 28006 (worked solution)
7Course to steer: 152 °T
Speed over the ground: 11.0 kn
Time to the mark: 18 min
No. 28007 (worked solution)
8Course to steer: 229 °T
Speed over the ground: 10.4 kn
Time to the mark: 20 min
No. 28008 (worked solution)