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Worksheet 715 · 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 321°T, 2.4 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 10.2 kn. The current sets 039°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 206°T, 2.4 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 9.8 kn. The current sets 207°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 263°T, 1.7 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 7.7 kn. The current sets 167°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 269°T, 2.2 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.0 kn. The current sets 353°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  

  5. You are at 014°T, 2.6 nm from Mill stack, bound for Green can "3". Your speed through the water is 7.2 kn. The current sets 228°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  

  6. You are at 135°T, 1.4 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 5.0 kn. The current sets 100°T at 1.5 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 323°T, 1.5 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.7 kn. The current sets 123°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  

  8. You are at 063°T, 1.8 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 11.5 kn. The current sets 069°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: 101 °T
Speed over the ground: 10.7 kn
Time to the mark: 31 min
No. 715001 (worked solution)
2Course to steer: 052 °T
Speed over the ground: 8.5 kn
Time to the mark: 43 min
No. 715002 (worked solution)
3Course to steer: 041 °T
Speed over the ground: 7.4 kn
Time to the mark: 45 min
No. 715003 (worked solution)
4Course to steer: 241 °T
Speed over the ground: 4.7 kn
Time to the mark: 33 min
No. 715004 (worked solution)
5Course to steer: 352 °T
Speed over the ground: 6.7 kn
Time to the mark: 19 min
No. 715005 (worked solution)
6Course to steer: 264 °T
Speed over the ground: 3.6 kn
Time to the mark: 46 min
No. 715006 (worked solution)
7Course to steer: 220 °T
Speed over the ground: 7.6 kn
Time to the mark: 40 min
No. 715007 (worked solution)
8Course to steer: 115 °T
Speed over the ground: 13.1 kn
Time to the mark: 19 min
No. 715008 (worked solution)