The cabin altitude of the Boeing 767 is typically about when cruising at . This is typical for older jet airliners. A design goal for many, but not all, newer aircraft is to provide a lower cabin altitude than older designs. This can be beneficial for passenger comfort. For example, the Bombardier Global Express business jet can provide a cabin altitude of when cruising at . The Emivest SJ30 business jet can provide a sea-level cabin altitude when cruising at . One study of eight flights in Airbus A380 aircraft found a median cabin pressure altitude of , and 65 flights in Boeing 747-400 aircraft found a median cabin pressure altitude of .