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Re: some navigation info. from a trip aboard the RMS St. Helena

Subject: Re: some navigation info. from a trip aboard the RMS St. Helena
From: Pierre Boucher (pboucher@XXX.XXX)
Date: Mon Oct 04 1999 - 13:14:47 EDT

>On one particular day the vessel's distance run (between 1200 previous day
>and 1200 for the day in question), was given as 377.5 nautical miles and the
>officer of the watch went on to say that this implied an average speed of
>15.1 knots. Some quick calculating had me confused, since this did not seem
>to work out - after a while I figured it out - who of you on our list can
>give me the reason for the apparent discrepancy?

They changed ZD so in fact they sailled for only 11 hours. ;-)

Pierre Boucher
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