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 324 · 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 253°T, 1.8 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.9 kn. The current sets 006°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 157°T, 1.3 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 10.8 kn. The current sets 239°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 028°T, 1.6 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 7.8 kn. The current sets 026°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  

  4. You are at 346°T, 2.5 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 5.8 kn. The current sets 234°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  

  5. You are at 203°T, 1.6 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 7.2 kn. The current sets 147°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  

  6. You are at 034°T, 3.9 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 6.6 kn. The current sets 202°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 099°T, 2.5 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 9.4 kn. The current sets 229°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  

  8. You are at 225°T, 2.3 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 9.2 kn. The current sets 245°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  

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: 268 °T
Speed over the ground: 6.8 kn
Time to the mark: 27 min
No. 324001 (worked solution)
2Course to steer: 306 °T
Speed over the ground: 11.7 kn
Time to the mark: 23 min
No. 324002 (worked solution)
3Course to steer: 253 °T
Speed over the ground: 6.8 kn
Time to the mark: 38 min
No. 324003 (worked solution)
4Course to steer: 181 °T
Speed over the ground: 7.4 kn
Time to the mark: 34 min
No. 324004 (worked solution)
5Course to steer: 284 °T
Speed over the ground: 6.7 kn
Time to the mark: 43 min
No. 324005 (worked solution)
6Course to steer: 142 °T
Speed over the ground: 7.9 kn
Time to the mark: 39 min
No. 324006 (worked solution)
7Course to steer: 110 °T
Speed over the ground: 8.7 kn
Time to the mark: 14 min
No. 324007 (worked solution)
8Course to steer: 339 °T
Speed over the ground: 9.4 kn
Time to the mark: 20 min
No. 324008 (worked solution)