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Worksheet 69 · 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 199°T, 1.9 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.8 kn. The current sets 274°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 087°T, 1.3 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 7.9 kn. The current sets 315°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  

  3. You are at 029°T, 3.2 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.2 kn. The current sets 167°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  

  4. You are at 035°T, 1.9 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 11.2 kn. The current sets 039°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 309°T, 1.8 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 11.6 kn. The current sets 222°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  

  6. You are at 267°T, 3.0 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.5 kn. The current sets 317°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  

  7. You are at 315°T, 1.4 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 11.5 kn. The current sets 198°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 052°T, 2.1 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.0 kn. The current sets 174°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: 249 °T
Speed over the ground: 10.7 kn
Time to the mark: 14 min
No. 69001 (worked solution)
2Course to steer: 040 °T
Speed over the ground: 8.2 kn
Time to the mark: 16 min
No. 69002 (worked solution)
3Course to steer: 122 °T
Speed over the ground: 11.8 kn
Time to the mark: 27 min
No. 69003 (worked solution)
4Course to steer: 121 °T
Speed over the ground: 11.5 kn
Time to the mark: 26 min
No. 69004 (worked solution)
5Course to steer: 299 °T
Speed over the ground: 12.1 kn
Time to the mark: 26 min
No. 69005 (worked solution)
6Course to steer: 180 °T
Speed over the ground: 6.3 kn
Time to the mark: 29 min
No. 69006 (worked solution)
7Course to steer: 317 °T
Speed over the ground: 10.6 kn
Time to the mark: 28 min
No. 69007 (worked solution)
8Course to steer: 285 °T
Speed over the ground: 4.7 kn
Time to the mark: 84 min
No. 69008 (worked solution)