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Worksheet 707 · 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 278°T, 3.8 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.9 kn. The current sets 134°T at 0.8 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 013°T, 1.2 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 8.3 kn. The current sets 170°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  

  3. You are at 057°T, 2.8 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 9.6 kn. The current sets 053°T at 1.1 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  

  4. You are at 003°T, 1.3 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 8.2 kn. The current sets 136°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  

  5. You are at 282°T, 2.4 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 11.6 kn. The current sets 049°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  

  6. You are at 003°T, 1.7 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 9.6 kn. The current sets 253°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  

  7. You are at 069°T, 2.6 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 5.7 kn. The current sets 118°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 040°T, 1.2 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 5.4 kn. The current sets 084°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: 181 °T
Speed over the ground: 9.5 kn
Time to the mark: 23 min
No. 707001 (worked solution)
2Course to steer: 286 °T
Speed over the ground: 7.9 kn
Time to the mark: 54 min
No. 707002 (worked solution)
3Course to steer: 153 °T
Speed over the ground: 9.5 kn
Time to the mark: 22 min
No. 707003 (worked solution)
4Course to steer: 264 °T
Speed over the ground: 7.2 kn
Time to the mark: 49 min
No. 707004 (worked solution)
5Course to steer: 174 °T
Speed over the ground: 10.4 kn
Time to the mark: 13 min
No. 707005 (worked solution)
6Course to steer: 091 °T
Speed over the ground: 7.7 kn
Time to the mark: 31 min
No. 707006 (worked solution)
7Course to steer: 280 °T
Speed over the ground: 3.7 kn
Time to the mark: 97 min
No. 707007 (worked solution)
8Course to steer: 138 °T
Speed over the ground: 6.9 kn
Time to the mark: 37 min
No. 707008 (worked solution)