In article , Ron Natalie
wrote:

john smith wrote:
What is typical cabin altitude pressure for airliners at cruise
altitudes?
Never above 8000 feet

Depends on the airliner, of course. Some turboprops have the cabin as
high as 10,000 feet at their service ceiling. That's the highest I've
seen.

--
Garner R. Miller
ATP/CFII/MEI
Clifton Park, NY =USA=
http://www.garnermiller.com/