Plotroom

PREVIEWFree during preview: checkout has not opened, so skills 5 to 8, worksheets and CSV cost nothing yet. Price when it opens: Plot Pass $1.95/month or $19.50/year.

Worksheet 40 · Skill 6

Course to steer

Next sheet

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 027°T, 2.3 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 12.0 kn. The current sets 091°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  

  2. You are at 264°T, 3.0 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.8 kn. The current sets 086°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  

  3. You are at 030°T, 3.4 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 9.5 kn. The current sets 106°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  

  4. You are at 007°T, 1.7 nm from Mill stack, bound for Green can "3". Your speed through the water is 7.8 kn. The current sets 333°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 032°T, 3.8 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.0 kn. The current sets 201°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  

  6. You are at 065°T, 3.5 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 11.8 kn. The current sets 234°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  

  7. You are at 269°T, 0.9 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 10.3 kn. The current sets 052°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  

  8. You are at 046°T, 2.0 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 5.1 kn. The current sets 214°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  

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: 142 °T
Speed over the ground: 13.0 kn
Time to the mark: 22 min
No. 40001 (worked solution)
2Course to steer: 200 °T
Speed over the ground: 7.4 kn
Time to the mark: 23 min
No. 40002 (worked solution)
3Course to steer: 168 °T
Speed over the ground: 10.6 kn
Time to the mark: 30 min
No. 40003 (worked solution)
4Course to steer: 001 °T
Speed over the ground: 8.7 kn
Time to the mark: 20 min
No. 40004 (worked solution)
5Course to steer: 128 °T
Speed over the ground: 10.5 kn
Time to the mark: 29 min
No. 40005 (worked solution)
6Course to steer: 120 °T
Speed over the ground: 11.2 kn
Time to the mark: 17 min
No. 40006 (worked solution)
7Course to steer: 266 °T
Speed over the ground: 9.3 kn
Time to the mark: 25 min
No. 40007 (worked solution)
8Course to steer: 046 °T
Speed over the ground: 2.9 kn
Time to the mark: 56 min
No. 40008 (worked solution)