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Worksheet 175 · 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 007°T, 1.9 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 9.2 kn. The current sets 155°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  

  2. You are at 158°T, 2.8 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.9 kn. The current sets 048°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  

  3. You are at 347°T, 1.9 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 11.9 kn. The current sets 093°T at 1.7 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  

  4. You are at 261°T, 1.7 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 9.8 kn. The current sets 345°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  

  5. You are at 049°T, 1.9 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 10.9 kn. The current sets 131°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 305°T, 1.7 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 8.2 kn. The current sets 216°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 286°T, 3.2 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 8.7 kn. The current sets 056°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  

  8. You are at 109°T, 1.0 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.2 kn. The current sets 177°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: 077 °T
Speed over the ground: 9.7 kn
Time to the mark: 13 min
No. 175001 (worked solution)
2Course to steer: 257 °T
Speed over the ground: 8.2 kn
Time to the mark: 34 min
No. 175002 (worked solution)
3Course to steer: 220 °T
Speed over the ground: 11.0 kn
Time to the mark: 32 min
No. 175003 (worked solution)
4Course to steer: 050 °T
Speed over the ground: 10.4 kn
Time to the mark: 33 min
No. 175004 (worked solution)
5Course to steer: 042 °T
Speed over the ground: 11.2 kn
Time to the mark: 15 min
No. 175005 (worked solution)
6Course to steer: 299 °T
Speed over the ground: 8.4 kn
Time to the mark: 37 min
No. 175006 (worked solution)
7Course to steer: 094 °T
Speed over the ground: 10.4 kn
Time to the mark: 41 min
No. 175007 (worked solution)
8Course to steer: 087 °T
Speed over the ground: 10.2 kn
Time to the mark: 27 min
No. 175008 (worked solution)