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Worksheet 655 · 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 275°T, 3.6 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.6 kn. The current sets 089°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 277°T, 3.8 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 8.5 kn. The current sets 181°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  

  3. You are at 135°T, 2.5 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.2 kn. The current sets 346°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 095°T, 1.4 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 8.8 kn. The current sets 113°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  

  5. You are at 237°T, 1.5 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 10.2 kn. The current sets 346°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  

  6. You are at 271°T, 3.3 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.9 kn. The current sets 242°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  

  7. You are at 001°T, 1.7 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 8.5 kn. The current sets 157°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  

  8. You are at 281°T, 3.7 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 5.2 kn. The current sets 332°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  

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: 148 °T
Speed over the ground: 10.1 kn
Time to the mark: 16 min
No. 655001 (worked solution)
2Course to steer: 125 °T
Speed over the ground: 9.8 kn
Time to the mark: 18 min
No. 655002 (worked solution)
3Course to steer: 237 °T
Speed over the ground: 4.9 kn
Time to the mark: 68 min
No. 655003 (worked solution)
4Course to steer: 009 °T
Speed over the ground: 8.5 kn
Time to the mark: 16 min
No. 655004 (worked solution)
5Course to steer: 304 °T
Speed over the ground: 11.0 kn
Time to the mark: 15 min
No. 655005 (worked solution)
6Course to steer: 176 °T
Speed over the ground: 9.7 kn
Time to the mark: 20 min
No. 655006 (worked solution)
7Course to steer: 077 °T
Speed over the ground: 8.7 kn
Time to the mark: 16 min
No. 655007 (worked solution)
8Course to steer: 143 °T
Speed over the ground: 3.7 kn
Time to the mark: 48 min
No. 655008 (worked solution)