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 223 · 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 341°T, 0.9 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 7.4 kn. The current sets 212°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  

  2. You are at 026°T, 2.0 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 5.4 kn. The current sets 146°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  

  3. You are at 259°T, 2.6 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 10.0 kn. The current sets 064°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  

  4. You are at 041°T, 1.3 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 6.0 kn. The current sets 055°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  

  5. You are at 152°T, 1.4 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 11.9 kn. The current sets 310°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  

  6. You are at 105°T, 1.5 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.9 kn. The current sets 206°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  

  7. You are at 211°T, 2.6 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.6 kn. The current sets 298°T at 0.8 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  

  8. You are at 240°T, 1.4 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 7.1 kn. The current sets 101°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  

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: 061 °T
Speed over the ground: 6.2 kn
Time to the mark: 28 min
No. 223001 (worked solution)
2Course to steer: 084 °T
Speed over the ground: 6.5 kn
Time to the mark: 29 min
No. 223002 (worked solution)
3Course to steer: 206 °T
Speed over the ground: 9.2 kn
Time to the mark: 18 min
No. 223003 (worked solution)
4Course to steer: 120 °T
Speed over the ground: 6.8 kn
Time to the mark: 44 min
No. 223004 (worked solution)
5Course to steer: 027 °T
Speed over the ground: 12.6 kn
Time to the mark: 25 min
No. 223005 (worked solution)
6Course to steer: 121 °T
Speed over the ground: 8.0 kn
Time to the mark: 21 min
No. 223006 (worked solution)
7Course to steer: 243 °T
Speed over the ground: 6.1 kn
Time to the mark: 24 min
No. 223007 (worked solution)
8Course to steer: 300 °T
Speed over the ground: 5.6 kn
Time to the mark: 30 min
No. 223008 (worked solution)