flyover
New Member
EDUC8-or said:I've heard that a fully loaded A-340 will have to do a step climb because they can't get up to their cruise altitude when heavy.
? Cruise altitude is the optimal altitude for your weight, temperature, winds, etc. As you burn off fuel sometimes optimal altitude is higher so you climb at that point. But as a rule 4 engine jets are dogs (at high gross weight) compared to 2 engine jets. Definitely true for the 747.