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Worksheet 307 · 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 263°T, 1.5 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 5.0 kn. The current sets 009°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  

  2. You are at 229°T, 1.8 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 7.2 kn. The current sets 205°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 332°T, 1.8 nm from Heron Point Light, bound for Red nun "2". Your speed through the water is 10.6 kn. The current sets 146°T at 1.7 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 044°T, 3.6 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 7.6 kn. The current sets 310°T at 2.1 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 033°T, 2.7 nm from Kittle water tank, bound for Bell buoy "HS". Your speed through the water is 6.8 kn. The current sets 228°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 259°T, 2.5 nm from Gannet Rock daybeacon, bound for Red nun "2". Your speed through the water is 10.7 kn. The current sets 074°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  

  7. You are at 022°T, 1.7 nm from Mill stack, bound for Green can "3". Your speed through the water is 8.5 kn. The current sets 187°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 295°T, 4.1 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 9.3 kn. The current sets 208°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  

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: 059 °T
Speed over the ground: 6.9 kn
Time to the mark: 47 min
No. 307001 (worked solution)
2Course to steer: 303 °T
Speed over the ground: 7.2 kn
Time to the mark: 30 min
No. 307002 (worked solution)
3Course to steer: 075 °T
Speed over the ground: 11.3 kn
Time to the mark: 17 min
No. 307003 (worked solution)
4Course to steer: 241 °T
Speed over the ground: 8.6 kn
Time to the mark: 44 min
No. 307004 (worked solution)
5Course to steer: 357 °T
Speed over the ground: 6.4 kn
Time to the mark: 43 min
No. 307005 (worked solution)
6Course to steer: 276 °T
Speed over the ground: 8.6 kn
Time to the mark: 17 min
No. 307006 (worked solution)
7Course to steer: 355 °T
Speed over the ground: 6.2 kn
Time to the mark: 30 min
No. 307007 (worked solution)
8Course to steer: 175 °T
Speed over the ground: 10.2 kn
Time to the mark: 28 min
No. 307008 (worked solution)