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Worksheet 730 · 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 069°T, 3.1 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 8.9 kn. The current sets 122°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  

  2. You are at 062°T, 1.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 11.0 kn. The current sets 041°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  

  3. You are at 331°T, 1.3 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 9.7 kn. The current sets 020°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  

  4. You are at 052°T, 1.6 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 9.2 kn. The current sets 340°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  

  5. You are at 121°T, 1.1 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 7.9 kn. The current sets 180°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  

  6. You are at 061°T, 2.4 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 11.3 kn. The current sets 139°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  

  7. You are at 043°T, 2.4 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 8.9 kn. The current sets 323°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 056°T, 1.5 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 8.9 kn. The current sets 285°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  

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: 274 °T
Speed over the ground: 7.4 kn
Time to the mark: 52 min
No. 730001 (worked solution)
2Course to steer: 128 °T
Speed over the ground: 11.1 kn
Time to the mark: 20 min
No. 730002 (worked solution)
3Course to steer: 251 °T
Speed over the ground: 9.2 kn
Time to the mark: 28 min
No. 730003 (worked solution)
4Course to steer: 026 °T
Speed over the ground: 10.6 kn
Time to the mark: 17 min
No. 730004 (worked solution)
5Course to steer: 090 °T
Speed over the ground: 8.1 kn
Time to the mark: 25 min
No. 730005 (worked solution)
6Course to steer: 270 °T
Speed over the ground: 9.9 kn
Time to the mark: 42 min
No. 730006 (worked solution)
7Course to steer: 022 °T
Speed over the ground: 9.6 kn
Time to the mark: 13 min
No. 730007 (worked solution)
8Course to steer: 086 °T
Speed over the ground: 6.9 kn
Time to the mark: 24 min
No. 730008 (worked solution)