Jetlagged From United Kingdom, joined Jan 2005, 2452 posts, RR: 17 Reply 4, posted (5 years 2 weeks 5 days 23 hours ago) and read 4622 times:
Quoting Tod (Reply 3): My experience is that wide body international flights usually run in the 5600 - 6800 range where US domestic flights seem to average between 7000 - 8000.
It mostly depends on the aircraft type and the cruise altitude. Typically aircraft of a given type cruise at the same cabin differential pressure. So the cabin altitude will vary according to cruise altitude assigned. If you know what cabin diff press the CPC sets you can work out what the cabin altitude will be.
On older aircraft where cruise altitude is entered manually a higher cruise altitude than actual can be entered if required.
The glass isn't half empty, or half full, it's twice as big as it needs to be.