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Worksheet 190 · 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, 1.2 nm from Kittle water tank, bound for Red nun "2". Your speed through the water is 12.0 kn. The current sets 339°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  

  2. You are at 030°T, 1.8 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 7.9 kn. The current sets 336°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  

  3. You are at 277°T, 2.3 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 8.4 kn. The current sets 122°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  

  4. You are at 257°T, 1.7 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 11.9 kn. The current sets 357°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  

  5. You are at 051°T, 3.5 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.5 kn. The current sets 165°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  

  6. You are at 301°T, 1.7 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 5.4 kn. The current sets 007°T at 0.8 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  

  7. You are at 355°T, 1.8 nm from Mill stack, bound for Green can "1". Your speed through the water is 11.3 kn. The current sets 001°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  

  8. You are at 074°T, 2.0 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 6.9 kn. The current sets 227°T at 0.5 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: 281 °T
Speed over the ground: 12.9 kn
Time to the mark: 29 min
No. 190001 (worked solution)
2Course to steer: 038 °T
Speed over the ground: 8.6 kn
Time to the mark: 18 min
No. 190002 (worked solution)
3Course to steer: 260 °T
Speed over the ground: 7.6 kn
Time to the mark: 26 min
No. 190003 (worked solution)
4Course to steer: 046 °T
Speed over the ground: 12.6 kn
Time to the mark: 27 min
No. 190004 (worked solution)
5Course to steer: 264 °T
Speed over the ground: 6.4 kn
Time to the mark: 59 min
No. 190005 (worked solution)
6Course to steer: 205 °T
Speed over the ground: 4.6 kn
Time to the mark: 58 min
No. 190006 (worked solution)
7Course to steer: 299 °T
Speed over the ground: 12.6 kn
Time to the mark: 10 min
No. 190007 (worked solution)
8Course to steer: 277 °T
Speed over the ground: 7.2 kn
Time to the mark: 45 min
No. 190008 (worked solution)