Date: 09 Apr 97 03:09:28
From: "Mark E. Ingram" <markt@mickey.mo-net.com>
References: 1
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On 30 Mar 1997, BHunnewell wrote:
> I've always been told that the big advantage to flying higher in jets
> is that the engines get more efficient as it gets colder. Above the
> tropopause-the air continues to get thinner but the temp remains
> constant, so, there is no real increased efficiency to flying above the
> tropopause.
I think you are correct as to efficiency, but there are times that I have
climbed to FL 450 (45,000') to top weather. An aircraft's capability to
go there - and above - can *really* be handy in such situations.
Regards,
Mark E. Ingram
MarkT@Mo-Net.Com (also mingram@mail.orion.org)
