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Worksheet 250 · 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 034°T, 4.0 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 5.2 kn. The current sets 268°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 326°T, 2.1 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 7.7 kn. The current sets 353°T at 1.0 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 136°T, 2.8 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 6.0 kn. The current sets 005°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  

  4. You are at 298°T, 3.7 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 5.4 kn. The current sets 257°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 015°T, 1.9 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 9.5 kn. The current sets 227°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 013°T, 2.8 nm from Mill stack, bound for Bell buoy "HS". Your speed through the water is 5.9 kn. The current sets 159°T at 2.0 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 069°T, 1.9 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 5.1 kn. The current sets 320°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 267°T, 2.1 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 6.2 kn. The current sets 040°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  

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: 142 °T
Speed over the ground: 4.5 kn
Time to the mark: 68 min
No. 250001 (worked solution)
2Course to steer: 102 °T
Speed over the ground: 7.4 kn
Time to the mark: 42 min
No. 250002 (worked solution)
3Course to steer: 257 °T
Speed over the ground: 5.8 kn
Time to the mark: 51 min
No. 250003 (worked solution)
4Course to steer: 087 °T
Speed over the ground: 3.3 kn
Time to the mark: 134 min
No. 250004 (worked solution)
5Course to steer: 119 °T
Speed over the ground: 9.1 kn
Time to the mark: 33 min
No. 250005 (worked solution)
6Course to steer: 029 °T
Speed over the ground: 4.9 kn
Time to the mark: 87 min
No. 250006 (worked solution)
7Course to steer: 091 °T
Speed over the ground: 4.2 kn
Time to the mark: 33 min
No. 250007 (worked solution)
8Course to steer: 211 °T
Speed over the ground: 4.1 kn
Time to the mark: 49 min
No. 250008 (worked solution)