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Worksheet 487 · 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 050°T, 3.8 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 9.8 kn. The current sets 193°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  

  2. You are at 289°T, 3.4 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.8 kn. The current sets 119°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  

  3. You are at 296°T, 3.6 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 11.5 kn. The current sets 051°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  

  4. You are at 051°T, 1.3 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 8.5 kn. The current sets 328°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  

  5. You are at 030°T, 2.6 nm from Mill stack, bound for Bell buoy "HS". Your speed through the water is 6.4 kn. The current sets 238°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 024°T, 1.6 nm from Mill stack, bound for Green can "3". Your speed through the water is 6.7 kn. The current sets 289°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  

  7. You are at 054°T, 1.2 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 11.6 kn. The current sets 351°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  

  8. You are at 063°T, 2.0 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 11.9 kn. The current sets 310°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  

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: 264 °T
Speed over the ground: 10.3 kn
Time to the mark: 38 min
No. 487001 (worked solution)
2Course to steer: 196 °T
Speed over the ground: 6.2 kn
Time to the mark: 41 min
No. 487002 (worked solution)
3Course to steer: 098 °T
Speed over the ground: 12.9 kn
Time to the mark: 34 min
No. 487003 (worked solution)
4Course to steer: 062 °T
Speed over the ground: 8.5 kn
Time to the mark: 24 min
No. 487004 (worked solution)
5Course to steer: 047 °T
Speed over the ground: 4.2 kn
Time to the mark: 100 min
No. 487005 (worked solution)
6Course to steer: 000 °T
Speed over the ground: 7.2 kn
Time to the mark: 26 min
No. 487006 (worked solution)
7Course to steer: 142 °T
Speed over the ground: 9.6 kn
Time to the mark: 24 min
No. 487007 (worked solution)
8Course to steer: 084 °T
Speed over the ground: 11.2 kn
Time to the mark: 12 min
No. 487008 (worked solution)