NavList:

yes

On 7/17/06, Greg R. <gregr_ingest@yahoo.com> wrote:
>
> Marc wrote:
>
> > IFR used to be I Follow Roads,  is that what you had in mind?
>
> Ding! We have a winner. Tell 'em what they've won, Bob...  :-)
>
> How'd you happen to know that little piece of trivia? Are you a flyer
> too?
>
> --
> GregR
>
> --- Marc Bernstein <bernstein.marc@gmail.com> wrote:
>
> >
> > IFR used to be I Follow Roads,  is that what you had in mind?
> >
> > On 7/17/06, Greg R. <gregr_ingest@yahoo.com> wrote:
> > >
> > > Red wrote:
> > >
> > > >  Incidentally, in the US, our airline industry *has* in fact
> > abandoned the
> > > > nautical mile, if they ever used it.
> > >
> > > Au contraire, as the holder of an FAA commercial pilot certificate
> > (plus
> > > instrument and ground instructor ratings), I think I can speak with
> > a little
> > > authority on that subject...  :-)
> > >
> > > Unless things changed overnight and nobody told us, nautical miles
> > IS (are?)
> > > the standard for measuring distances in air navigation these days
> > (I
> > > remember when the majority of airspeed indicators were in MPH and
> > the mild
> > > "consternation" that was caused back in the '70s when the industry
> > > standardized on knots/nautical).
> > >
> > > Take a look at any IFR (Instrument Flight Rules) navigation chart,
> > and
> > > you'll see that the routes and distances between electronic NAVAIDS
> > (mostly
> > > VOR/VORTACs these days) are all labeled in nautical miles. Statute
> > miles are
> > > only useful for giving non-aviation passengers an idea of how fast
> > we're
> > > moving over the ground at any given time...  :-)
> > >
> > > --
> > > GregR
> > >
> > > P.S. Bonus points to anyone who knows the "alternate" definition
> > for IFR....
> > > :-)
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: "Red" <hellosailor@verizon.net>
> > > To: <NavList@fer3.com>
> > > Sent: Monday, July 17, 2006 8:50 AM
> > > Subject: [NavList 766] Re: Units and area. was: gipsy moth iv
> > >
> > >
> > > >
> > > > Robert-
> > > >  " It is also intesting to note that, near as I can reckon, the
> > nautical
> > > mile
> > > > has never been abandoned by the aviation and marine industries in
> > favour
> > > of the
> > > > kilometer. "
> > > >
> > > >  Incidentally, in the US, our airline industry *has* in fact
> > abandoned the
> > > > nautical mile, if they ever used it. While pilots may still use
> > knots and
> > > > nautical miles (I don't know how they'd vote) if you ask any US
> > air
> > > carrier they
> > > > will tell you airspeeds and distances in plain statute miles and
> > mph. They
> > > tend
> > > > to schedule aircraft at a convenient 500 statute mph these days,
> > which is
> > > also a
> > > > bit less fuel thirsty than what the aircraft really can do. I
> > don't know
> > > of any
> > > > official policies or pronouncements about this, that's just what
> > "every"
> > > carrier
> > > > in the small number I've dealt with in the past ten years has
> > used.
> > > >
> > > >
> > > >
> > > > >
> > > >
> > >
> > >
> > >
> > > >
> > >
> >
> > >
> >
>
>
> >
>

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