Page 196 - NAVAL SCIENCE 3 TEXTBOOK
P. 196

202      NAVAL SKILLS

        29.  A. \Vhat is the newest U.S. worldwide s<1tellite ll<1vigation   VOCABULARY
              systenl Gliled?
                                                               navigation                soundings
           B.  How is it affecting the practice of marine navigation?
                                                               sphere                    loran
        30.  Whtlt does the ship's inertial Il<wigation system do?
                                                               meridian                  radar
        31.  A.  \"'hat is celestial navigation?               parallel                  global positioning s),stem (GPS)
           ll. \,"hat instrument is used to obtain celestial sights?   great circle      variation angle
                                                               nauticallllile            parallel ruler
        32. \,Vhat is meant by dead reckoning?
                                                               longitude                 stadimeter
                                                               latitude                  nautical chart
        CRITICAL THINKING                                      cardinal points           hemisphere

                                                               magnetic compass          knot (of speed)
        I.  In what ways is navigating on the w .. \ter the same as navigating
                                                               gyrocompass               hydrographic information
           Oil land? In what ways are the), different?
                                                               dividers                  chart projection
        2.  Draw <1  globe and show the following on il: longitude lines,
                                                               fix (position)            [v{ercator projection
           parallels of latitude, the equator, the north and south spin
                                                               true bearing              ratio
           axes, and the prime meridian.
                                                               relative bearing          fathom (of depth)
        3.  Describe the steps that a sailor of a small boat might go
                                                               echo sounder              visual range
           through in preparing to navigate his or her boat on an
                                                               fathometer
           extended ocean voyage. Include the navigation equipment
           that might be brought along on sllch a voyage.
   191   192   193   194   195   196   197   198   199   200   201