Not sure about boats, but this HAS happened with airplanes. I also know of at least one singlehander that used a mark of some kind as a waypoint and got a direct hit while sleeping.
Joe Della Barba Coquina From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Marek Dziedzic Sent: Monday, January 13, 2014 1:01 PM To: cnc-list@cnc-list.com Subject: Re: Stus-List Autohelm St4000 how it should work with the GPS Supposedly, this is how accidents happen on Great Lakes. I don’t know if these are urban legends or not, but I heard that, especially, on Georgian Bay, there are accidents of boats colliding, because two skippers enter the route based on buoys as waypoints and since the autopilots plus chartplotters are so accurate, the boats travel on the same trajectory (course). People assume that you can enter the course (route) and go down to entertain the guests. The chartplotter should alert you, when you approach the destination. Marek ____________________________________________________________________________ Message: 3 Date: Mon, 13 Jan 2014 10:24:46 -0400 From: "dwight" <dwight...@gmail.com<mailto:dwight...@gmail.com>> To: <cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>> Subject: Re: Stus-List Autohelm St4000 how it should work with the GPS Message-ID: <51831FEBD26A4707BA3920EB0655F0F4@your4dacd0ea75> Content-Type: text/plain; charset="us-ascii" I know it has probably been done by others but I am not sure that I would ever let my ST 4000 plus steer a course unattended based on transfer data from my chart plotter. My wheel pilot works fine but I always keep an eye on it and the course ahead, in bad weather it steers while I sit under the dodger watching ahead and on my hand held gps chartplotter backup.I use the Garmin 60Cx as backup with Garmin bluecharts installed. I do not trust completely unattended steering
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