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 510 · 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 191°T, 1.9 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.5 kn. The current sets 033°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  

  2. You are at 108°T, 1.9 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 5.2 kn. The current sets 218°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 276°T, 3.4 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.0 kn. The current sets 016°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 352°T, 1.1 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 6.4 kn. The current sets 014°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  

  5. You are at 037°T, 2.9 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 8.6 kn. The current sets 113°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 057°T, 3.1 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 10.9 kn. The current sets 187°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  

  7. You are at 127°T, 2.1 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 5.5 kn. The current sets 145°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  

  8. You are at 008°T, 2.0 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 6.8 kn. The current sets 043°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  

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: 278 °T
Speed over the ground: 8.8 kn
Time to the mark: 33 min
No. 510001 (worked solution)
2Course to steer: 283 °T
Speed over the ground: 6.0 kn
Time to the mark: 72 min
No. 510002 (worked solution)
3Course to steer: 179 °T
Speed over the ground: 5.7 kn
Time to the mark: 30 min
No. 510003 (worked solution)
4Course to steer: 264 °T
Speed over the ground: 6.0 kn
Time to the mark: 68 min
No. 510004 (worked solution)
5Course to steer: 162 °T
Speed over the ground: 9.6 kn
Time to the mark: 30 min
No. 510005 (worked solution)
6Course to steer: 159 °T
Speed over the ground: 12.8 kn
Time to the mark: 18 min
No. 510006 (worked solution)
7Course to steer: 059 °T
Speed over the ground: 6.0 kn
Time to the mark: 40 min
No. 510007 (worked solution)
8Course to steer: 241 °T
Speed over the ground: 5.4 kn
Time to the mark: 69 min
No. 510008 (worked solution)