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Cabin Pressure Altitude  
User currently offlineLongitude From Russia, joined Nov 2007, 136 posts, RR: 0
Posted (5 years 3 weeks 1 day 2 hours ago) and read 4769 times:

Hello,

Can somebody tell me which cabin pressure altitude should be estabilished during a flight according to FAR? Is it different in Europe?

Thank you!

4 replies: All unread, jump to last
 
User currently offlineTod From Denmark, joined Aug 2004, 1682 posts, RR: 3
Reply 1, posted (5 years 2 weeks 6 days 3 hours ago) and read 4682 times:

8,000 feet per 14CRF25.841

see link:


http://ecfr.gpoaccess.gov/cgi/t/text...ode=14:1.0.1.3.11.4.180.71&idno=14

Tod

User currently offlineJetlagged From United Kingdom, joined Jan 2005, 2452 posts, RR: 17
Reply 2, posted (5 years 2 weeks 6 days 2 hours ago) and read 4668 times:



Quoting Tod (Reply 1):
8,000 feet per 14CRF25.841

"Not more than 8,000 ft". It can be, and usually is, less than that.


The glass isn't half empty, or half full, it's twice as big as it needs to be.
User currently offlineTod From Denmark, joined Aug 2004, 1682 posts, RR: 3
Reply 3, posted (5 years 2 weeks 6 days 2 hours ago) and read 4667 times:



Quoting Jetlagged (Reply 2):
"Not more than 8,000 ft". It can be, and usually is, less than that.

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.

Tod

User currently offlineJetlagged 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.
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