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Worksheet 903 · 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 348°T, 2.5 nm from Mill stack, bound for Green can "3". Your speed through the water is 5.3 kn. The current sets 069°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  

  2. You are at 296°T, 1.0 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 10.3 kn. The current sets 161°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  

  3. You are at 034°T, 2.4 nm from Heron Point Light, bound for Green can "3". Your speed through the water is 5.1 kn. The current sets 032°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  

  4. You are at 042°T, 4.7 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 11.7 kn. The current sets 241°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  

  5. You are at 296°T, 2.0 nm from Kittle water tank, bound for Green can "3". Your speed through the water is 9.6 kn. The current sets 278°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  

  6. You are at 115°T, 2.3 nm from Westfield church spire, bound for Red nun "2". Your speed through the water is 5.0 kn. The current sets 076°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  

  7. You are at 053°T, 3.2 nm from Westfield church spire, bound for Green can "3". Your speed through the water is 8.9 kn. The current sets 096°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  

  8. You are at 259°T, 2.7 nm from Tern Island tower, bound for Red nun "2". Your speed through the water is 11.2 kn. The current sets 135°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: 010 °T
Speed over the ground: 5.7 kn
Time to the mark: 24 min
No. 903001 (worked solution)
2Course to steer: 268 °T
Speed over the ground: 9.9 kn
Time to the mark: 28 min
No. 903002 (worked solution)
3Course to steer: 074 °T
Speed over the ground: 5.6 kn
Time to the mark: 27 min
No. 903003 (worked solution)
4Course to steer: 143 °T
Speed over the ground: 11.6 kn
Time to the mark: 24 min
No. 903004 (worked solution)
5Course to steer: 322 °T
Speed over the ground: 11.3 kn
Time to the mark: 23 min
No. 903005 (worked solution)
6Course to steer: 106 °T
Speed over the ground: 5.9 kn
Time to the mark: 23 min
No. 903006 (worked solution)
7Course to steer: 132 °T
Speed over the ground: 9.8 kn
Time to the mark: 24 min
No. 903007 (worked solution)
8Course to steer: 194 °T
Speed over the ground: 11.7 kn
Time to the mark: 10 min
No. 903008 (worked solution)