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Photos: Mustang Survival Section 7 Working with paper charts Cruise 7-3
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General Deviation = 0° Variation = 20°E All positions and lines plotted on the chart should adhere to labeling conventions in Supplementary Material Use Piloting Training Chart C Plot DRs –every whole hour –whenever a change of speed or course –Whenever a bearing is taken or fix is obtained No wind or current Show all work and calculations
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Depart Refuge Cove @ 09:00
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7-3.1 Plot and label your 0937 Fix. 0937 0.5 nm
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@ 09:37 you are ½ mile due West of Fl R Light, entrance to Refuge Cove.
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0937 L 50º 06.9 N Lo 124º 51.8 W Question 7-3.2 What are the coordinates of your 0937 fix?
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0937 You proceed on a course of 126°(T) at a speed of 5.0 knots 7-3.3 Plot and label your course line C 126 S 5.0 Plotter used to chart a course line of 126 ° / 106 M 106° M agnetic obtained from Plotter or Calculation
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TVMDC Question 7-3.4 What Compass Course Will You Steer ? 12620 E1060
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After running this course for 30 minutes, you take two compass bearing on two fixed aids as follows: The light on West Redonda Island - Fl 10s 20m 15M bears 335 °(C) The light on Mink Island - Fl(2) 12s 18m 12M bears 044 °(C)
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TVMDC Question 7-3.5 What is the true bearing of the light on West Redonda Island? 35520 E3350
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TVMDC Question 7-3.6 What is the true bearing of the light on Mink Island? 06420 E0440
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7-3.7 Plot and label this fix. C 126 S 5.0 / 106 M 355 / 335 M 064 / 044 M Plotter used to chart a bearing of 355 ° 335° Magnetic obtained from Plotter or Calculation Plotter used to chart a bearing of 064 ° 044° Magnetic obtained from Plotter or Calculation 1007
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C 126 S 5.0 / 106 M 355 / 335 M 064 / 044 M 1007 L 50º 05.6 N Lo 124º 48.5 W Question 7-3.8 What are the coordinates of this fix?
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Looking North East up right arm of Desolation Sound Mink Island
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C 126 S 5.0 / 106 M 355 / 335 M 1007 7-3.9 Alter course to 092°(T) – Increase speed to 6.0 knots Plot and label your course line. C 092 S 6.0 Plotter used to chart a course line of 092 ° / 072 M 064 / 044 M 072° Magnetic obtained from Plotter or Calculation
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Question 7-3.10 What will be the true bearing of the Mink Island Light when it is abeam to Port? 092 (course) - 090 (abeam) = 002 to Port
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C 126 S 5.0 / 106 M 355 / 335 M 1007 Mink Island light will have a bearing of 002 (T) when you are abeam to Port 064 / 044 M C 092 S 6.0 / 072 M 002 / 342 M
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C 126 S 5.0 / 106 M 355 / 335 M 1007 Question 7-3.11 When will Mink Island light will be abeam to Port 064 / 044 M C 092 S 6.0 / 072 M 0.9 nm 002 / 342 M
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t = 60 X 0.9 6 ETA 1007 + 9 = 1016 60D St Question 7-3.11 When will the Mink Island light be abeam to Port? t = 9.0 minutes t = 60 X D S
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C 126 S 5.0 / 106 M 355 / 335 M 1007 Question 7-3.12 Plot the DR position for the time when the Mink Island light will be abeam to Port 064 / 044 M C 092 S 6.0 / 072 M 002 / 342 M 1016
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Exploring East coast Mink Island
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Crume Islands Mink Island Still exploring
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At 1155, you hear a distress call on your marine radio. A boater has struck Pringle Rock just west of Morgan Island and requests assistance. 1155 Distress Call
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You are near the north western end of the most northern of the Curme Islands
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You answer the call and inform him you are northwest of the most northern of the Curme Islands [use the point of the (3 4 ) as your location] and are on your way at a speed of 20.0 knots. 1155
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Question 7-3.13 Plot and label your course line. 1155 C 029 S 20.0 / 009 M 009° Magnetic obtained from Plotter or Calculation Plotter used to determine the direction of the course line is 029 °
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Question 7-3.14What is your estimated time of arrival (ETA) at Pringle Rock? 1.3 nm C 029 S 20.0 / 009 M 1155
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t = 60 X 1.3 20 t = 3.9 (round to 4) minutes ETA 1155 + 4 = 1159 60D St Question 7-3.14.What is your estimated time of arrival (ETA) at Pringle Rock? t = 60 X D S
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C 024 / 004 M S 20.0 When you reach Pringle Rock, you find a 5-metre runabout floating and not taking on water, but with a severely damaged outboard drive unit and propeller. The operator, though unhurt, is very upset with himself for not exercising more care in his navigation. You fashion a towing bridle and begin the tow back to his cabin at Roscoe Bay. 1155
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At 1225, you leave Pringle Rock on a course for Marylebone Point at a speed of 4.0 knots. C 024 / 004 M S 20.0 1155 1225
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C 024 / 004 M S 20.0 1155 1225 Question 7-3.15.What is your true course? Plotter used to determine the direction of the course line is 330 ° C 330
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TVMDC 33020 E3100 Question 7-3.16.What is your compass course?
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C 024 / 004 M S 20.0 1155 1225 C 330 / 310 M TVMDC 33020 E3100 310° Magnetic obtained from Plotter or Calculation S 4.0 Question 7-3.16What is your compass course?
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C 024 / 004 M S 20.0 1155 1225 C 330 / 310 M S 4.0 Question 7-3.17At what time will you be close aboard Marylebone Point ? 1225 1.6 nm
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t = 60 X 1.6 4 t = 24 minutes ETA 1225 + 24 = 1249 60D St t = 60 X D S Question 7-3.17At what time will you be close aboard Marylebone Point ?
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Question 7-3.18 What are the coordinates of Marylebone Point Light? L 50° 09.7 N Lo 124° 45.1 W
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You round Marylebone Point and enter Rosecoe Bay
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