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Worksheet 801 · Skill 6

Course to steer

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  1. You are at 014°T, 2.0 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 7.3 kn. The current sets 276°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  

  2. You are at 053°T, 2.2 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 11.1 kn. The current sets 010°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  

  3. You are at 335°T, 2.8 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 11.2 kn. The current sets 240°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 300°T, 4.1 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 11.3 kn. The current sets 236°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  

  5. You are at 040°T, 0.9 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.4 kn. The current sets 108°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 069°T, 2.2 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.0 kn. The current sets 126°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  

  7. You are at 155°T, 3.0 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 5.3 kn. The current sets 177°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 042°T, 3.8 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 11.6 kn. The current sets 261°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  

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: 9.3 kn
Time to the mark: 27 min
No. 801001 (worked solution)
2Course to steer: 119 °T
Speed over the ground: 10.9 kn
Time to the mark: 23 min
No. 801002 (worked solution)
3Course to steer: 274 °T
Speed over the ground: 13.2 kn
Time to the mark: 25 min
No. 801003 (worked solution)
4Course to steer: 168 °T
Speed over the ground: 11.8 kn
Time to the mark: 23 min
No. 801004 (worked solution)
5Course to steer: 276 °T
Speed over the ground: 5.1 kn
Time to the mark: 48 min
No. 801005 (worked solution)
6Course to steer: 107 °T
Speed over the ground: 7.2 kn
Time to the mark: 31 min
No. 801006 (worked solution)
7Course to steer: 283 °T
Speed over the ground: 5.1 kn
Time to the mark: 50 min
No. 801007 (worked solution)
8Course to steer: 162 °T
Speed over the ground: 11.5 kn
Time to the mark: 26 min
No. 801008 (worked solution)