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Worksheet 504 · 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 332°T, 2.0 nm from Mill stack, bound for Green can "3". Your speed through the water is 8.3 kn. The current sets 137°T at 0.7 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  

  2. You are at 294°T, 3.9 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 5.3 kn. The current sets 019°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  

  3. You are at 107°T, 1.9 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 11.0 kn. The current sets 018°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 320°T, 2.2 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 10.7 kn. The current sets 309°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 028°T, 2.2 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.3 kn. The current sets 294°T at 1.3 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 333°T, 1.6 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 10.9 kn. The current sets 082°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  

  7. You are at 339°T, 1.1 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 7.3 kn. The current sets 227°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  

  8. You are at 302°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 308°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  

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: 016 °T
Speed over the ground: 8.0 kn
Time to the mark: 23 min
No. 504001 (worked solution)
2Course to steer: 161 °T
Speed over the ground: 4.3 kn
Time to the mark: 52 min
No. 504002 (worked solution)
3Course to steer: 054 °T
Speed over the ground: 12.4 kn
Time to the mark: 14 min
No. 504003 (worked solution)
4Course to steer: 098 °T
Speed over the ground: 9.5 kn
Time to the mark: 34 min
No. 504004 (worked solution)
5Course to steer: 250 °T
Speed over the ground: 7.3 kn
Time to the mark: 38 min
No. 504005 (worked solution)
6Course to steer: 282 °T
Speed over the ground: 9.1 kn
Time to the mark: 37 min
No. 504006 (worked solution)
7Course to steer: 275 °T
Speed over the ground: 8.3 kn
Time to the mark: 22 min
No. 504007 (worked solution)
8Course to steer: 151 °T
Speed over the ground: 6.7 kn
Time to the mark: 35 min
No. 504008 (worked solution)