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Worksheet 745 · 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 150°T, 2.5 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 5.3 kn. The current sets 094°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  

  2. You are at 334°T, 2.2 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 7.2 kn. The current sets 074°T at 0.6 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 057°T, 1.2 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.7 kn. The current sets 317°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  

  4. You are at 289°T, 3.8 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.7 kn. The current sets 231°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  

  5. You are at 170°T, 1.2 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 7.7 kn. The current sets 067°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 255°T, 2.5 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 11.0 kn. The current sets 023°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  

  7. You are at 099°T, 2.3 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 9.3 kn. The current sets 103°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  

  8. You are at 026°T, 1.6 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 8.4 kn. The current sets 204°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: 269 °T
Speed over the ground: 3.3 kn
Time to the mark: 77 min
No. 745001 (worked solution)
2Course to steer: 208 °T
Speed over the ground: 6.8 kn
Time to the mark: 43 min
No. 745002 (worked solution)
3Course to steer: 244 °T
Speed over the ground: 6.8 kn
Time to the mark: 52 min
No. 745003 (worked solution)
4Course to steer: 165 °T
Speed over the ground: 6.7 kn
Time to the mark: 39 min
No. 745004 (worked solution)
5Course to steer: 294 °T
Speed over the ground: 7.1 kn
Time to the mark: 36 min
No. 745005 (worked solution)
6Course to steer: 259 °T
Speed over the ground: 9.9 kn
Time to the mark: 18 min
No. 745006 (worked solution)
7Course to steer: 148 °T
Speed over the ground: 11.1 kn
Time to the mark: 12 min
No. 745007 (worked solution)
8Course to steer: 309 °T
Speed over the ground: 8.1 kn
Time to the mark: 45 min
No. 745008 (worked solution)