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Worksheet 44 · Skill 6

Course to steer

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  1. You are at 008°T, 2.9 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.5 kn. The current sets 009°T at 1.3 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  

  2. You are at 348°T, 1.4 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 9.1 kn. The current sets 013°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  

  3. You are at 066°T, 1.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.6 kn. The current sets 000°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  

  4. You are at 298°T, 3.7 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 6.2 kn. The current sets 261°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  

  5. You are at 300°T, 3.9 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 5.9 kn. The current sets 078°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 065°T, 1.8 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 9.8 kn. The current sets 200°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  

  7. You are at 314°T, 3.4 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 5.9 kn. The current sets 334°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  

  8. You are at 009°T, 2.9 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.0 kn. The current sets 351°T at 1.3 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  

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: 130 °T
Speed over the ground: 8.9 kn
Time to the mark: 42 min
No. 44001 (worked solution)
2Course to steer: 271 °T
Speed over the ground: 8.9 kn
Time to the mark: 41 min
No. 44002 (worked solution)
3Course to steer: 134 °T
Speed over the ground: 10.0 kn
Time to the mark: 22 min
No. 44003 (worked solution)
4Course to steer: 150 °T
Speed over the ground: 6.0 kn
Time to the mark: 37 min
No. 44004 (worked solution)
5Course to steer: 177 °T
Speed over the ground: 6.0 kn
Time to the mark: 39 min
No. 44005 (worked solution)
6Course to steer: 282 °T
Speed over the ground: 10.2 kn
Time to the mark: 30 min
No. 44006 (worked solution)
7Course to steer: 163 °T
Speed over the ground: 3.7 kn
Time to the mark: 66 min
No. 44007 (worked solution)
8Course to steer: 129 °T
Speed over the ground: 9.1 kn
Time to the mark: 41 min
No. 44008 (worked solution)