
NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: NAV-L] Closest point of approach.
From: Carl Herzog
Date: 2000 Aug 11, 10:41 AM
From: Carl Herzog
Date: 2000 Aug 11, 10:41 AM
Chuck Taylor wrote: > On Navy ships at least some of the radar screens are set up so that you can plot > CPA's directly on the screen using a grease pencil. (At least they used to > be.) I believe ARPA has made Maneuvering Boards and grease pencils obsolete in most of the Navy and merchant marine. However, for vessels with inexpensive non-ARPA-equipped radars (recreational, fishing, sail training, etc.), a maneuvering board and the skills Chuck described remain essential. Carl Herzog Editor, Reed's Nautical Almanacs