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 17 · 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 007°T, 2.5 nm from Mill stack, bound for Green can "3". Your speed through the water is 6.3 kn. The current sets 213°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  

  2. You are at 048°T, 3.1 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.7 kn. The current sets 050°T at 1.8 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  

  3. You are at 001°T, 1.9 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 9.2 kn. The current sets 187°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  

  4. You are at 073°T, 2.1 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 7.1 kn. The current sets 302°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  

  5. You are at 266°T, 1.3 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.5 kn. The current sets 250°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  

  6. You are at 268°T, 2.4 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.2 kn. The current sets 100°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  

  7. You are at 066°T, 2.8 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 10.9 kn. The current sets 285°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 000°T, 1.4 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 6.7 kn. The current sets 131°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  

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: 005 °T
Speed over the ground: 4.7 kn
Time to the mark: 27 min
No. 17001 (worked solution)
2Course to steer: 174 °T
Speed over the ground: 6.9 kn
Time to the mark: 38 min
No. 17002 (worked solution)
3Course to steer: 269 °T
Speed over the ground: 9.9 kn
Time to the mark: 22 min
No. 17003 (worked solution)
4Course to steer: 047 °T
Speed over the ground: 6.9 kn
Time to the mark: 25 min
No. 17004 (worked solution)
5Course to steer: 207 °T
Speed over the ground: 7.0 kn
Time to the mark: 32 min
No. 17005 (worked solution)
6Course to steer: 201 °T
Speed over the ground: 8.1 kn
Time to the mark: 19 min
No. 17006 (worked solution)
7Course to steer: 044 °T
Speed over the ground: 10.0 kn
Time to the mark: 13 min
No. 17007 (worked solution)
8Course to steer: 071 °T
Speed over the ground: 7.1 kn
Time to the mark: 21 min
No. 17008 (worked solution)