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Worksheet 542 · 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 056°T, 1.4 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 7.2 kn. The current sets 341°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 031°T, 3.8 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 5.6 kn. The current sets 268°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  

  3. You are at 108°T, 1.8 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.8 kn. The current sets 185°T at 0.6 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 080°T, 2.8 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 8.7 kn. The current sets 216°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  

  5. You are at 089°T, 3.1 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 5.9 kn. The current sets 206°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  

  6. You are at 003°T, 1.7 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 7.1 kn. The current sets 153°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  

  7. You are at 228°T, 1.6 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.3 kn. The current sets 083°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  

  8. You are at 270°T, 3.6 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 8.4 kn. The current sets 105°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  

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: 094 °T
Speed over the ground: 6.7 kn
Time to the mark: 26 min
No. 542001 (worked solution)
2Course to steer: 136 °T
Speed over the ground: 4.6 kn
Time to the mark: 68 min
No. 542002 (worked solution)
3Course to steer: 281 °T
Speed over the ground: 5.8 kn
Time to the mark: 68 min
No. 542003 (worked solution)
4Course to steer: 132 °T
Speed over the ground: 8.9 kn
Time to the mark: 16 min
No. 542004 (worked solution)
5Course to steer: 158 °T
Speed over the ground: 6.5 kn
Time to the mark: 20 min
No. 542005 (worked solution)
6Course to steer: 074 °T
Speed over the ground: 7.4 kn
Time to the mark: 19 min
No. 542006 (worked solution)
7Course to steer: 235 °T
Speed over the ground: 8.1 kn
Time to the mark: 23 min
No. 542007 (worked solution)
8Course to steer: 173 °T
Speed over the ground: 8.8 kn
Time to the mark: 17 min
No. 542008 (worked solution)