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Worksheet 652 · 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 032°T, 1.4 nm from Gannet Rock daybeacon, bound for Green can "3". Your speed through the water is 5.2 kn. The current sets 065°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 285°T, 1.5 nm from Gannet Rock daybeacon, bound for Green can "1". Your speed through the water is 8.1 kn. The current sets 006°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  

  3. You are at 322°T, 2.5 nm from Tern Island tower, bound for Green can "1". Your speed through the water is 7.2 kn. The current sets 076°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  

  4. You are at 029°T, 1.7 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 9.5 kn. The current sets 329°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  

  5. You are at 037°T, 3.7 nm from Westfield church spire, bound for Green can "1". Your speed through the water is 5.5 kn. The current sets 320°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  

  6. You are at 263°T, 2.1 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 8.4 kn. The current sets 157°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  

  7. You are at 345°T, 1.6 nm from Mill stack, bound for Green can "3". Your speed through the water is 11.0 kn. The current sets 123°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  

  8. You are at 091°T, 2.0 nm from Gannet Rock daybeacon, bound for Bell buoy "HS". Your speed through the water is 8.6 kn. The current sets 058°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  

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: 256 °T
Speed over the ground: 2.8 kn
Time to the mark: 91 min
No. 652001 (worked solution)
2Course to steer: 247 °T
Speed over the ground: 7.6 kn
Time to the mark: 32 min
No. 652002 (worked solution)
3Course to steer: 211 °T
Speed over the ground: 6.3 kn
Time to the mark: 52 min
No. 652003 (worked solution)
4Course to steer: 034 °T
Speed over the ground: 9.8 kn
Time to the mark: 17 min
No. 652004 (worked solution)
5Course to steer: 155 °T
Speed over the ground: 3.5 kn
Time to the mark: 88 min
No. 652005 (worked solution)
6Course to steer: 043 °T
Speed over the ground: 8.2 kn
Time to the mark: 43 min
No. 652006 (worked solution)
7Course to steer: 000 °T
Speed over the ground: 10.1 kn
Time to the mark: 18 min
No. 652007 (worked solution)
8Course to steer: 354 °T
Speed over the ground: 9.4 kn
Time to the mark: 24 min
No. 652008 (worked solution)