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    Re: Nautical or Statute Miles for Air Navigation
    From: David Pike
    Date: 2016 Nov 23, 13:34 -0800

    Having looked at the RAF, I thought I ought to check on what was happening in the USA.  A quick flick though the 1943 edition of Weems shows he refers mainly to miles and mph, despite being a Navy man.  I didn’t look closely enough to see if he had anything to say on the subject of knots or mph.  A Sherrill Air Navigation Plotter from 1946 which I have has statute miles scales for several charts but only a conversion line for nautical miles (see below).



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