There are huge safety margins in aviation. Ascending to 45,000 ft or above is an...

		rolux on March 17, 2014 \| parent \| context \| favorite \| on: Did Malaysian Airlines 370 disappear using SIA68/S... There are huge safety margins in aviation. Ascending to 45,000 ft or above is an aerodynamics issue, not a pressurization issue. Pressurization ("cabin altitude") will adjust automatically.