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Worksheet 823 · 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 210°T, 2.9 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 5.8 kn. The current sets 326°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 009°T, 2.6 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 5.2 kn. The current sets 261°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 043°T, 2.2 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 7.0 kn. The current sets 027°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 064°T, 2.5 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 5.3 kn. The current sets 163°T at 1.5 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  

  5. You are at 268°T, 3.5 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 7.7 kn. The current sets 166°T at 0.9 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 343°T, 1.6 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.0 kn. The current sets 059°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 063°T, 1.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 7.2 kn. The current sets 359°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  

  8. You are at 109°T, 2.1 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 5.7 kn. The current sets 317°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  

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: 077 °T
Speed over the ground: 5.4 kn
Time to the mark: 74 min
No. 823001 (worked solution)
2Course to steer: 104 °T
Speed over the ground: 3.2 kn
Time to the mark: 113 min
No. 823002 (worked solution)
3Course to steer: 015 °T
Speed over the ground: 9.4 kn
Time to the mark: 15 min
No. 823003 (worked solution)
4Course to steer: 284 °T
Speed over the ground: 4.7 kn
Time to the mark: 73 min
No. 823004 (worked solution)
5Course to steer: 125 °T
Speed over the ground: 8.4 kn
Time to the mark: 17 min
No. 823005 (worked solution)
6Course to steer: 247 °T
Speed over the ground: 3.6 kn
Time to the mark: 76 min
No. 823006 (worked solution)
7Course to steer: 135 °T
Speed over the ground: 6.1 kn
Time to the mark: 36 min
No. 823007 (worked solution)
8Course to steer: 101 °T
Speed over the ground: 4.4 kn
Time to the mark: 50 min
No. 823008 (worked solution)