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Worksheet 147 · 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 067°T, 2.5 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 8.3 kn. The current sets 117°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  

  2. You are at 039°T, 4.3 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 7.1 kn. The current sets 058°T at 0.7 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  

  3. You are at 136°T, 1.8 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 8.8 kn. The current sets 203°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  

  4. You are at 019°T, 3.5 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 9.2 kn. The current sets 279°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  

  5. You are at 100°T, 1.4 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 8.6 kn. The current sets 019°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  

  6. You are at 196°T, 1.8 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.9 kn. The current sets 196°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 069°T, 2.3 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 9.4 kn. The current sets 050°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  

  8. You are at 128°T, 1.4 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 8.1 kn. The current sets 072°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  

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: 272 °T
Speed over the ground: 7.4 kn
Time to the mark: 47 min
No. 147001 (worked solution)
2Course to steer: 167 °T
Speed over the ground: 6.9 kn
Time to the mark: 43 min
No. 147002 (worked solution)
3Course to steer: 080 °T
Speed over the ground: 7.9 kn
Time to the mark: 23 min
No. 147003 (worked solution)
4Course to steer: 143 °T
Speed over the ground: 7.8 kn
Time to the mark: 46 min
No. 147004 (worked solution)
5Course to steer: 128 °T
Speed over the ground: 8.1 kn
Time to the mark: 23 min
No. 147005 (worked solution)
6Course to steer: 304 °T
Speed over the ground: 5.7 kn
Time to the mark: 49 min
No. 147006 (worked solution)
7Course to steer: 354 °T
Speed over the ground: 10.4 kn
Time to the mark: 17 min
No. 147007 (worked solution)
8Course to steer: 270 °T
Speed over the ground: 5.8 kn
Time to the mark: 62 min
No. 147008 (worked solution)