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 353 · 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 059°T, 2.5 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 8.7 kn. The current sets 192°T at 1.6 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 044°T, 2.5 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.5 kn. The current sets 097°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  

  3. You are at 148°T, 1.3 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.1 kn. The current sets 044°T at 2.4 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  

  4. You are at 263°T, 3.2 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.8 kn. The current sets 076°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 066°T, 2.1 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 10.0 kn. The current sets 245°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 012°T, 1.5 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 5.3 kn. The current sets 138°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 260°T, 2.4 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.5 kn. The current sets 342°T at 0.6 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 123°T, 1.2 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.0 kn. The current sets 094°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  

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: 107 °T
Speed over the ground: 9.0 kn
Time to the mark: 26 min
No. 353001 (worked solution)
2Course to steer: 258 °T
Speed over the ground: 8.1 kn
Time to the mark: 50 min
No. 353002 (worked solution)
3Course to steer: 239 °T
Speed over the ground: 5.8 kn
Time to the mark: 49 min
No. 353003 (worked solution)
4Course to steer: 047 °T
Speed over the ground: 7.0 kn
Time to the mark: 59 min
No. 353004 (worked solution)
5Course to steer: 137 °T
Speed over the ground: 9.6 kn
Time to the mark: 21 min
No. 353005 (worked solution)
6Course to steer: 291 °T
Speed over the ground: 3.7 kn
Time to the mark: 116 min
No. 353006 (worked solution)
7Course to steer: 275 °T
Speed over the ground: 6.8 kn
Time to the mark: 22 min
No. 353007 (worked solution)
8Course to steer: 120 °T
Speed over the ground: 8.0 kn
Time to the mark: 23 min
No. 353008 (worked solution)