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Worksheet 596 · Skill 6

Course to steer

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  1. You are at 350°T, 2.3 nm from Mill stack, bound for Green can "3". Your speed through the water is 7.2 kn. The current sets 286°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  

  2. You are at 095°T, 1.6 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 6.0 kn. The current sets 162°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 324°T, 2.0 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 5.9 kn. The current sets 080°T at 0.5 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  

  4. You are at 309°T, 2.1 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 11.0 kn. The current sets 147°T at 1.6 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  

  5. You are at 251°T, 2.6 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.6 kn. The current sets 242°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  

  6. You are at 013°T, 2.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 7.7 kn. The current sets 293°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  

  7. You are at 291°T, 2.9 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 5.5 kn. The current sets 315°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 129°T, 1.5 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 8.4 kn. The current sets 228°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  

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: 020 °T
Speed over the ground: 7.2 kn
Time to the mark: 20 min
No. 596001 (worked solution)
2Course to steer: 000 °T
Speed over the ground: 4.1 kn
Time to the mark: 58 min
No. 596002 (worked solution)
3Course to steer: 194 °T
Speed over the ground: 5.7 kn
Time to the mark: 34 min
No. 596003 (worked solution)
4Course to steer: 186 °T
Speed over the ground: 12.3 kn
Time to the mark: 14 min
No. 596004 (worked solution)
5Course to steer: 299 °T
Speed over the ground: 6.3 kn
Time to the mark: 24 min
No. 596005 (worked solution)
6Course to steer: 131 °T
Speed over the ground: 6.4 kn
Time to the mark: 50 min
No. 596006 (worked solution)
7Course to steer: 167 °T
Speed over the ground: 3.8 kn
Time to the mark: 56 min
No. 596007 (worked solution)
8Course to steer: 302 °T
Speed over the ground: 9.0 kn
Time to the mark: 33 min
No. 596008 (worked solution)