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Worksheet 853 · 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 008°T, 1.6 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 10.8 kn. The current sets 354°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  

  2. You are at 152°T, 1.2 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 8.2 kn. The current sets 025°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  

  3. You are at 010°T, 3.5 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 8.9 kn. The current sets 092°T at 1.6 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 250°T, 2.3 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.6 kn. The current sets 312°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  

  5. You are at 055°T, 3.2 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 12.0 kn. The current sets 237°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  

  6. You are at 025°T, 3.1 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 8.1 kn. The current sets 139°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 078°T, 3.4 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 10.0 kn. The current sets 292°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 091°T, 2.7 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 8.1 kn. The current sets 273°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  

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: 242 °T
Speed over the ground: 10.4 kn
Time to the mark: 35 min
No. 853001 (worked solution)
2Course to steer: 274 °T
Speed over the ground: 7.9 kn
Time to the mark: 42 min
No. 853002 (worked solution)
3Course to steer: 134 °T
Speed over the ground: 10.1 kn
Time to the mark: 38 min
No. 853003 (worked solution)
4Course to steer: 199 °T
Speed over the ground: 7.1 kn
Time to the mark: 23 min
No. 853004 (worked solution)
5Course to steer: 158 °T
Speed over the ground: 12.3 kn
Time to the mark: 19 min
No. 853005 (worked solution)
6Course to steer: 157 °T
Speed over the ground: 10.1 kn
Time to the mark: 32 min
No. 853006 (worked solution)
7Course to steer: 163 °T
Speed over the ground: 8.9 kn
Time to the mark: 18 min
No. 853007 (worked solution)
8Course to steer: 121 °T
Speed over the ground: 6.3 kn
Time to the mark: 20 min
No. 853008 (worked solution)