Su-33 weird behavior when low fuel and airfield takeoff

[pepin1234]

Su-33 can not complete a flight when 10%-15%-20% fuel capacity. I set a very far landing to see how far he go with this fuel. He start to fly up and up to the moon. Very weird, after I set 50% then he try to do a normal fly.

 

See attachment

Su-33 bug.miz