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Worksheet 134 · 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 203°T, 2.8 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.3 kn. The current sets 237°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  

  2. You are at 022°T, 2.9 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.1 kn. The current sets 179°T at 1.9 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  

  3. You are at 330°T, 1.9 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.7 kn. The current sets 145°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  

  4. You are at 308°T, 2.5 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 7.1 kn. The current sets 013°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 259°T, 2.0 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.2 kn. The current sets 334°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  

  6. You are at 015°T, 2.7 nm from Mill stack, bound for Red nun "2". Your speed through the water is 6.5 kn. The current sets 183°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  

  7. You are at 035°T, 2.3 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 8.7 kn. The current sets 175°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  

  8. You are at 036°T, 2.1 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 9.0 kn. The current sets 220°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: 263 °T
Speed over the ground: 10.2 kn
Time to the mark: 15 min
No. 134001 (worked solution)
2Course to steer: 136 °T
Speed over the ground: 12.6 kn
Time to the mark: 25 min
No. 134002 (worked solution)
3Course to steer: 221 °T
Speed over the ground: 9.4 kn
Time to the mark: 35 min
No. 134003 (worked solution)
4Course to steer: 101 °T
Speed over the ground: 7.2 kn
Time to the mark: 50 min
No. 134004 (worked solution)
5Course to steer: 193 °T
Speed over the ground: 6.6 kn
Time to the mark: 21 min
No. 134005 (worked solution)
6Course to steer: 311 °T
Speed over the ground: 5.7 kn
Time to the mark: 23 min
No. 134006 (worked solution)
7Course to steer: 088 °T
Speed over the ground: 9.1 kn
Time to the mark: 18 min
No. 134007 (worked solution)
8Course to steer: 265 °T
Speed over the ground: 9.7 kn
Time to the mark: 30 min
No. 134008 (worked solution)