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Worksheet 573 · 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 004°T, 2.3 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 9.9 kn. The current sets 203°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  

  2. You are at 242°T, 2.2 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.0 kn. The current sets 235°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 328°T, 0.9 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 9.4 kn. The current sets 119°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  

  4. You are at 041°T, 1.0 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.1 kn. The current sets 015°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  

  5. You are at 099°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 145°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  

  6. You are at 102°T, 2.5 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.6 kn. The current sets 303°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  

  7. You are at 334°T, 1.3 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.6 kn. The current sets 081°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  

  8. You are at 044°T, 2.1 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 6.0 kn. The current sets 126°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  

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: 090 °T
Speed over the ground: 9.2 kn
Time to the mark: 26 min
No. 573001 (worked solution)
2Course to steer: 307 °T
Speed over the ground: 8.1 kn
Time to the mark: 22 min
No. 573002 (worked solution)
3Course to steer: 036 °T
Speed over the ground: 9.6 kn
Time to the mark: 25 min
No. 573003 (worked solution)
4Course to steer: 252 °T
Speed over the ground: 6.5 kn
Time to the mark: 51 min
No. 573004 (worked solution)
5Course to steer: 086 °T
Speed over the ground: 10.6 kn
Time to the mark: 16 min
No. 573005 (worked solution)
6Course to steer: 097 °T
Speed over the ground: 7.7 kn
Time to the mark: 25 min
No. 573006 (worked solution)
7Course to steer: 223 °T
Speed over the ground: 7.2 kn
Time to the mark: 37 min
No. 573007 (worked solution)
8Course to steer: 263 °T
Speed over the ground: 5.4 kn
Time to the mark: 72 min
No. 573008 (worked solution)