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Worksheet 245 · 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 033°T, 2.6 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 8.1 kn. The current sets 138°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  

  2. You are at 281°T, 3.0 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 6.0 kn. The current sets 077°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  

  3. You are at 206°T, 2.0 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 7.8 kn. The current sets 272°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  

  4. You are at 012°T, 2.7 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 8.0 kn. The current sets 225°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  

  5. You are at 336°T, 2.1 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 10.0 kn. The current sets 255°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 010°T, 3.4 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 7.8 kn. The current sets 354°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  

  7. You are at 085°T, 1.6 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.0 kn. The current sets 325°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  

  8. You are at 288°T, 1.2 nm from Tern Island tower, bound for Green can "3". Your speed through the water is 7.0 kn. The current sets 300°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  

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: 061 °T
Speed over the ground: 8.7 kn
Time to the mark: 17 min
No. 245001 (worked solution)
2Course to steer: 170 °T
Speed over the ground: 6.3 kn
Time to the mark: 24 min
No. 245002 (worked solution)
3Course to steer: 246 °T
Speed over the ground: 10.0 kn
Time to the mark: 13 min
No. 245003 (worked solution)
4Course to steer: 106 °T
Speed over the ground: 7.2 kn
Time to the mark: 50 min
No. 245004 (worked solution)
5Course to steer: 196 °T
Speed over the ground: 11.4 kn
Time to the mark: 26 min
No. 245005 (worked solution)
6Course to steer: 153 °T
Speed over the ground: 6.7 kn
Time to the mark: 55 min
No. 245006 (worked solution)
7Course to steer: 030 °T
Speed over the ground: 6.5 kn
Time to the mark: 34 min
No. 245007 (worked solution)
8Course to steer: 177 °T
Speed over the ground: 6.1 kn
Time to the mark: 20 min
No. 245008 (worked solution)