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Worksheet 332 · Skill 6

Course to steer

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  1. You are at 023°T, 1.0 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 10.6 kn. The current sets 349°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  

  2. You are at 030°T, 2.2 nm from Mill stack, bound for Bell buoy "HS". Your speed through the water is 8.2 kn. The current sets 121°T at 0.5 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 072°T, 1.0 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 8.1 kn. The current sets 067°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 019°T, 1.3 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 7.2 kn. The current sets 266°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  

  5. You are at 294°T, 1.5 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.8 kn. The current sets 143°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  

  6. You are at 083°T, 2.1 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 6.1 kn. The current sets 261°T at 1.2 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  

  7. You are at 104°T, 2.2 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 6.4 kn. The current sets 009°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  

  8. You are at 116°T, 1.6 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.7 kn. The current sets 177°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  

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: 258 °T
Speed over the ground: 10.8 kn
Time to the mark: 22 min
No. 332001 (worked solution)
2Course to steer: 037 °T
Speed over the ground: 8.3 kn
Time to the mark: 53 min
No. 332002 (worked solution)
3Course to steer: 130 °T
Speed over the ground: 9.4 kn
Time to the mark: 24 min
No. 332003 (worked solution)
4Course to steer: 023 °T
Speed over the ground: 6.5 kn
Time to the mark: 52 min
No. 332004 (worked solution)
5Course to steer: 293 °T
Speed over the ground: 4.8 kn
Time to the mark: 27 min
No. 332005 (worked solution)
6Course to steer: 119 °T
Speed over the ground: 5.2 kn
Time to the mark: 32 min
No. 332006 (worked solution)
7Course to steer: 150 °T
Speed over the ground: 4.9 kn
Time to the mark: 26 min
No. 332007 (worked solution)
8Course to steer: 261 °T
Speed over the ground: 8.3 kn
Time to the mark: 40 min
No. 332008 (worked solution)