Originally Posted by
p.j.m
Not only the A380's, every night I hear QF25 fly overhead on its way to Japan, you can tell when the older B747's are being used, because they "whine" like they are struggling to keep running. The more modern ones don't have the whine.
Clearly they need more and better maintenance.
They'd be the Rolls Royce powered 744s you hear with the whine, the GE powered 744ERs don't have that whine.