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Worksheet 61 · 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, 1.4 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 7.3 kn. The current sets 108°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  

  2. You are at 043°T, 1.8 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 9.7 kn. The current sets 003°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  

  3. You are at 311°T, 1.1 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 8.5 kn. The current sets 308°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 266°T, 3.2 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 6.5 kn. The current sets 237°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  

  5. You are at 033°T, 1.9 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 6.6 kn. The current sets 115°T at 1.5 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  

  6. You are at 005°T, 1.4 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 9.4 kn. The current sets 018°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  

  7. You are at 251°T, 1.9 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 10.3 kn. The current sets 285°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 157°T, 3.1 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.7 kn. The current sets 214°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: 254 °T
Speed over the ground: 6.6 kn
Time to the mark: 53 min
No. 61001 (worked solution)
2Course to steer: 125 °T
Speed over the ground: 8.7 kn
Time to the mark: 33 min
No. 61002 (worked solution)
3Course to steer: 267 °T
Speed over the ground: 10.0 kn
Time to the mark: 16 min
No. 61003 (worked solution)
4Course to steer: 182 °T
Speed over the ground: 7.1 kn
Time to the mark: 25 min
No. 61004 (worked solution)
5Course to steer: 284 °T
Speed over the ground: 5.1 kn
Time to the mark: 86 min
No. 61005 (worked solution)
6Course to steer: 075 °T
Speed over the ground: 10.4 kn
Time to the mark: 22 min
No. 61006 (worked solution)
7Course to steer: 055 °T
Speed over the ground: 8.9 kn
Time to the mark: 40 min
No. 61007 (worked solution)
8Course to steer: 281 °T
Speed over the ground: 8.9 kn
Time to the mark: 33 min
No. 61008 (worked solution)