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Worksheet 835 · 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 235°T, 2.6 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 6.9 kn. The current sets 162°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  

  2. You are at 320°T, 2.1 nm from Mill stack, bound for Green can "3". Your speed through the water is 9.0 kn. The current sets 312°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  

  3. You are at 037°T, 3.6 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 5.4 kn. The current sets 046°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 341°T, 1.6 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 11.6 kn. The current sets 143°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 041°T, 2.2 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 10.9 kn. The current sets 013°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  

  6. You are at 066°T, 2.3 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 9.4 kn. The current sets 136°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  

  7. You are at 344°T, 2.1 nm from Mill stack, bound for Green can "3". Your speed through the water is 6.3 kn. The current sets 141°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  

  8. You are at 119°T, 1.9 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 7.1 kn. The current sets 331°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  

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: 294 °T
Speed over the ground: 6.2 kn
Time to the mark: 33 min
No. 835001 (worked solution)
2Course to steer: 034 °T
Speed over the ground: 9.3 kn
Time to the mark: 22 min
No. 835002 (worked solution)
3Course to steer: 186 °T
Speed over the ground: 3.9 kn
Time to the mark: 79 min
No. 835003 (worked solution)
4Course to steer: 218 °T
Speed over the ground: 11.9 kn
Time to the mark: 28 min
No. 835004 (worked solution)
5Course to steer: 248 °T
Speed over the ground: 10.1 kn
Time to the mark: 39 min
No. 835005 (worked solution)
6Course to steer: 279 °T
Speed over the ground: 7.7 kn
Time to the mark: 43 min
No. 835006 (worked solution)
7Course to steer: 001 °T
Speed over the ground: 5.1 kn
Time to the mark: 32 min
No. 835007 (worked solution)
8Course to steer: 015 °T
Speed over the ground: 8.5 kn
Time to the mark: 34 min
No. 835008 (worked solution)