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Worksheet 419 · 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 010°T, 3.0 nm from Mill stack, bound for Green can "1". Your speed through the water is 5.5 kn. The current sets 174°T at 0.7 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  

  2. You are at 070°T, 1.8 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 10.2 kn. The current sets 136°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  

  3. You are at 005°T, 1.9 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 8.4 kn. The current sets 125°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  

  4. You are at 305°T, 1.5 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.5 kn. The current sets 036°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  

  5. You are at 302°T, 3.6 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 5.7 kn. The current sets 027°T at 1.1 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  

  6. You are at 033°T, 2.3 nm from Mill stack, bound for Red nun "2". Your speed through the water is 8.7 kn. The current sets 053°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  

  7. You are at 036°T, 4.0 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 7.0 kn. The current sets 267°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 297°T, 4.5 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 7.8 kn. The current sets 106°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: 281 °T
Speed over the ground: 5.3 kn
Time to the mark: 26 min
No. 419001 (worked solution)
2Course to steer: 099 °T
Speed over the ground: 12.3 kn
Time to the mark: 20 min
No. 419002 (worked solution)
3Course to steer: 079 °T
Speed over the ground: 9.9 kn
Time to the mark: 14 min
No. 419003 (worked solution)
4Course to steer: 054 °T
Speed over the ground: 7.2 kn
Time to the mark: 37 min
No. 419004 (worked solution)
5Course to steer: 167 °T
Speed over the ground: 4.9 kn
Time to the mark: 46 min
No. 419005 (worked solution)
6Course to steer: 303 °T
Speed over the ground: 8.5 kn
Time to the mark: 21 min
No. 419006 (worked solution)
7Course to steer: 125 °T
Speed over the ground: 5.4 kn
Time to the mark: 55 min
No. 419007 (worked solution)
8Course to steer: 183 °T
Speed over the ground: 8.7 kn
Time to the mark: 32 min
No. 419008 (worked solution)