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The term Jumbo Jet has been generally applied to the Boeing 747.

In my experience, they generally cruise at around 35,000ft to 38,000ft across the Atlantic.

Different models, however, have a SERVICE CEILING* of over 40,000ft but that is not the same as a normal cruise altitude. Most commercial jetliners have a service ceiling of about 42,000 feet.


*defined as the highest altitude at which an aircraft can maintain a rate of climb of 100 feet per minute.

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Q: What is the average altatude of a jumbo jet?
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