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What Jerry said. An altimeter never reads zero on the ground (in the US)
unless it is at sea level on what is called a standard day, and the
altimeters inner workings are absolutely without error.

Bob Gardner

"Donald" wrote in message
news:uhi1hjoqs75i73@corp.supernews.com...
> Bob,
>
> So on an aircraft are there two knobs on an altimeter to adjust the
pressure
> to match what you receive from ATIS along w/ what the altimeter reads in
> feet so that it reads 0 when on the ground? Or do you just adjust the
height
> reading on the altimeter, and if so how is this done when ATIS (as far as
I
> understand) broadcasts the current barometer reading at the field and not
> the field elevation? Do you just take it from the charts for your location
> and adjust the height reading along w/ the barometer reading, or just one
of
> them (if you can adjust both).
>
> Thanks for the reply! I appreciate it.
>
> - Donald
>
> "Bob Gardner" wrote in message
> news:H67S8.320297$cQ3.18158@sccrnsc01...
> > If you are in the United States, your altimeter should read field
> elevation
> > (at the airport reference point) within plus or minus 75 feet. In
flight,
> of
> > course, you just set in what you are given without correction. Dont
> confuse
> > what you see in a sim with real life.
> >
> > Bob Gardner
> >
> > "Donald" wrote in message
> > news:uhhug6obs2jba3@corp.supernews.com...
> > > Hello all,
> > >
> > > Just have a quick question about adtimeter adjusting that maybe
someone
> > > would be able to answer for me. When adjusting an altimeter for the
> > > departure or arrival airport/field (or in flight, below FL180) you set
> the
> > > altimeter barometer pressure to the local setting, however (at least
in
> > > sims) Ive noticed that after adjusting the altimeter it doesnt read
an
> > > altitude of 0 unless at sea level (when on the ground). Is this
> something
> > > that is normal, and you just have to remember that the ground is at
2000
> > > feet on the altimeter or is there a way to set the altitude reading
> after
> > > adjusting the pressure?
> > >
> > > Any information on this would be greatly appreciated. Since this is an
> > > aviation newsgroup I felt someone wouldnt mind answering this
question
> > for
> > > me. If I am out of line with asking this question on this group please
> > > direct me to the correct group or website.
> > >
> > > Thank you
> > >
> > > - Donald
> > > dukman823@hotmail.com
> > >
> > >
> >
> >
>
>

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