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Worksheet 35 · 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 347°T, 1.1 nm from Heron Point Light, bound for Green can "1". Your speed through the water is 6.6 kn. The current sets 335°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  

  2. You are at 311°T, 2.9 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 7.3 kn. The current sets 250°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  

  3. You are at 036°T, 1.9 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 10.5 kn. The current sets 188°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  

  4. You are at 003°T, 2.3 nm from Mill stack, bound for Green can "3". Your speed through the water is 5.6 kn. The current sets 275°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  

  5. You are at 235°T, 1.6 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 7.2 kn. The current sets 233°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  

  6. You are at 300°T, 2.9 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.8 kn. The current sets 280°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 004°T, 2.2 nm from Mill stack, bound for Red nun "2". Your speed through the water is 6.3 kn. The current sets 160°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  

  8. You are at 305°T, 3.6 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.8 kn. The current sets 079°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  

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: 102 °T
Speed over the ground: 5.5 kn
Time to the mark: 23 min
No. 35001 (worked solution)
2Course to steer: 154 °T
Speed over the ground: 7.4 kn
Time to the mark: 29 min
No. 35002 (worked solution)
3Course to steer: 264 °T
Speed over the ground: 11.4 kn
Time to the mark: 36 min
No. 35003 (worked solution)
4Course to steer: 025 °T
Speed over the ground: 5.3 kn
Time to the mark: 26 min
No. 35004 (worked solution)
5Course to steer: 279 °T
Speed over the ground: 7.8 kn
Time to the mark: 31 min
No. 35005 (worked solution)
6Course to steer: 160 °T
Speed over the ground: 8.4 kn
Time to the mark: 23 min
No. 35006 (worked solution)
7Course to steer: 323 °T
Speed over the ground: 5.0 kn
Time to the mark: 24 min
No. 35007 (worked solution)
8Course to steer: 197 °T
Speed over the ground: 5.4 kn
Time to the mark: 58 min
No. 35008 (worked solution)