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Worksheet 210 · 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 307°T, 3.8 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 11.2 kn. The current sets 160°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 138°T, 1.4 nm from Tern Island tower, bound for Bell buoy "HS". Your speed through the water is 10.8 kn. The current sets 341°T at 2.3 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 020°T, 1.3 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 5.4 kn. The current sets 149°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  

  4. You are at 331°T, 2.8 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 10.7 kn. The current sets 146°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  

  5. You are at 018°T, 2.5 nm from Mill stack, bound for Red nun "2". Your speed through the water is 12.0 kn. The current sets 074°T at 1.5 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  

  6. You are at 355°T, 1.6 nm from Mill stack, bound for Green can "3". Your speed through the water is 6.0 kn. The current sets 111°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  

  7. You are at 309°T, 1.2 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 6.1 kn. The current sets 306°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 113°T, 1.6 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 5.7 kn. The current sets 065°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  

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: 091 °T
Speed over the ground: 11.9 kn
Time to the mark: 36 min
No. 210001 (worked solution)
2Course to steer: 064 °T
Speed over the ground: 11.3 kn
Time to the mark: 20 min
No. 210002 (worked solution)
3Course to steer: 352 °T
Speed over the ground: 3.7 kn
Time to the mark: 90 min
No. 210003 (worked solution)
4Course to steer: 213 °T
Speed over the ground: 11.9 kn
Time to the mark: 30 min
No. 210004 (worked solution)
5Course to steer: 298 °T
Speed over the ground: 11.0 kn
Time to the mark: 13 min
No. 210005 (worked solution)
6Course to steer: 352 °T
Speed over the ground: 5.5 kn
Time to the mark: 33 min
No. 210006 (worked solution)
7Course to steer: 243 °T
Speed over the ground: 6.8 kn
Time to the mark: 41 min
No. 210007 (worked solution)
8Course to steer: 265 °T
Speed over the ground: 3.9 kn
Time to the mark: 97 min
No. 210008 (worked solution)