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Worksheet 10 · Skill 6

Course to steer

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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 036°T, 3.1 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 8.9 kn. The current sets 036°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  

  2. You are at 349°T, 2.5 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 5.9 kn. The current sets 115°T at 1.7 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  

  3. You are at 043°T, 1.5 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.6 kn. The current sets 254°T at 1.7 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  

  4. You are at 072°T, 2.7 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 10.1 kn. The current sets 229°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  

  5. You are at 266°T, 3.0 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 7.8 kn. The current sets 251°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  

  6. You are at 304°T, 1.5 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 11.5 kn. The current sets 037°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  

  7. You are at 357°T, 1.3 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 10.1 kn. The current sets 336°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 051°T, 3.4 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 5.6 kn. The current sets 241°T at 1.7 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: 133 °T
Speed over the ground: 8.9 kn
Time to the mark: 17 min
No. 10001 (worked solution)
2Course to steer: 213 °T
Speed over the ground: 5.9 kn
Time to the mark: 43 min
No. 10002 (worked solution)
3Course to steer: 104 °T
Speed over the ground: 9.2 kn
Time to the mark: 32 min
No. 10003 (worked solution)
4Course to steer: 146 °T
Speed over the ground: 10.6 kn
Time to the mark: 17 min
No. 10004 (worked solution)
5Course to steer: 168 °T
Speed over the ground: 8.2 kn
Time to the mark: 17 min
No. 10005 (worked solution)
6Course to steer: 303 °T
Speed over the ground: 11.5 kn
Time to the mark: 25 min
No. 10006 (worked solution)
7Course to steer: 098 °T
Speed over the ground: 9.3 kn
Time to the mark: 26 min
No. 10007 (worked solution)
8Course to steer: 149 °T
Speed over the ground: 5.8 kn
Time to the mark: 44 min
No. 10008 (worked solution)