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Old 18th April 2008, 12:24 AM   #23 (permalink)
WingFlaps
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Default Altimeter Question

On Apr 18, 9:10 am, Stefan <stefan@mus._INVALID_.ch> wrote:
> WingFlaps schrieb:
>
> > Perhap we are at crossed purposes but an ARFOR does not refer to an
> > airfield -that's a METAR and not all fields issue them. So in this
> > case how can QNH give field elevation unless it's an ISA day?

>
> Again: QNH gives *by definition* the field elevation. If an ARFOR gives
> you a QNH, then it is related to one well defined spot on the surface.


BINGO! That's right, setting QNH on an altimeter DOES NOT does give
field elevation UNLESS it's issued for that field :-)

Cheers
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