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Worksheet 840 · 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 024°T, 2.5 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.2 kn. The current sets 309°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  

  2. You are at 016°T, 1.9 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 9.1 kn. The current sets 345°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  

  3. You are at 335°T, 2.3 nm from Mill stack, bound for Green can "3". Your speed through the water is 6.4 kn. The current sets 110°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  

  4. You are at 008°T, 1.7 nm from Kittle water tank, bound for Green can "1". Your speed through the water is 5.9 kn. The current sets 023°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  

  5. You are at 092°T, 3.6 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.6 kn. The current sets 240°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  

  6. You are at 030°T, 1.1 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 10.1 kn. The current sets 072°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  

  7. You are at 136°T, 2.8 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 8.1 kn. The current sets 040°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  

  8. You are at 059°T, 1.0 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 7.4 kn. The current sets 340°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  

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: 243 °T
Speed over the ground: 7.6 kn
Time to the mark: 50 min
No. 840001 (worked solution)
2Course to steer: 234 °T
Speed over the ground: 8.6 kn
Time to the mark: 45 min
No. 840002 (worked solution)
3Course to steer: 014 °T
Speed over the ground: 6.4 kn
Time to the mark: 26 min
No. 840003 (worked solution)
4Course to steer: 271 °T
Speed over the ground: 5.7 kn
Time to the mark: 74 min
No. 840004 (worked solution)
5Course to steer: 096 °T
Speed over the ground: 8.6 kn
Time to the mark: 14 min
No. 840005 (worked solution)
6Course to steer: 266 °T
Speed over the ground: 8.1 kn
Time to the mark: 30 min
No. 840006 (worked solution)
7Course to steer: 254 °T
Speed over the ground: 7.1 kn
Time to the mark: 48 min
No. 840007 (worked solution)
8Course to steer: 107 °T
Speed over the ground: 6.9 kn
Time to the mark: 42 min
No. 840008 (worked solution)