|Quoting Aeroman444 (Thread starter):|
I believe that max certified ceiling is 43K, but above 40K you need one crew member on ox at all times.
|Quoting Musapapaya (Reply 2):|
If they are on the first few hours of the journey they tend to stay at the low FL300s and after burning off some fuel it could be somewhere close to FL400.
|Quoting BA777ER236 (Reply 3):|
In general, I would agree with this statement, but we seem to be able to get up to and above FL350 before most other 'heavies' at an equivalent % weight.
|Quoting Musapapaya (Reply 4):|
however can you explain why your airline can get up to and above FL350 before most other 'heavies' at an equivalent % weight? Or are you refering to the 777 in general?
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