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Worksheet 632 · 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 015°T, 2.8 nm from Mill stack, bound for Bell buoy "HS". Your speed through the water is 10.8 kn. The current sets 296°T at 2.3 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  

  2. You are at 019°T, 2.4 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 10.0 kn. The current sets 333°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 016°T, 1.3 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 8.7 kn. The current sets 158°T at 2.3 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  

  4. You are at 306°T, 4.0 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 10.8 kn. The current sets 231°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  

  5. You are at 003°T, 1.5 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 11.1 kn. The current sets 341°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  

  6. You are at 149°T, 2.5 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.3 kn. The current sets 277°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  

  7. You are at 028°T, 3.4 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 8.4 kn. The current sets 319°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  

  8. You are at 355°T, 1.0 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 9.8 kn. The current sets 315°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  

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: 058 °T
Speed over the ground: 9.8 kn
Time to the mark: 43 min
No. 632001 (worked solution)
2Course to steer: 115 °T
Speed over the ground: 8.4 kn
Time to the mark: 24 min
No. 632002 (worked solution)
3Course to steer: 292 °T
Speed over the ground: 7.3 kn
Time to the mark: 60 min
No. 632003 (worked solution)
4Course to steer: 094 °T
Speed over the ground: 10.1 kn
Time to the mark: 43 min
No. 632004 (worked solution)
5Course to steer: 246 °T
Speed over the ground: 11.1 kn
Time to the mark: 28 min
No. 632005 (worked solution)
6Course to steer: 254 °T
Speed over the ground: 10.6 kn
Time to the mark: 28 min
No. 632006 (worked solution)
7Course to steer: 153 °T
Speed over the ground: 6.6 kn
Time to the mark: 50 min
No. 632007 (worked solution)
8Course to steer: 073 °T
Speed over the ground: 9.4 kn
Time to the mark: 17 min
No. 632008 (worked solution)