411A
That would be true IF there were any profits to apply the depreciation against!
Regards the DC9, they have, in addition to fuel consumption, just about used up their economic lives. Maintenance is expensive, parts are hard to find, avionics are out-of-date and advanced EFIS FMS systems are almost as hard to change as re-engining. They had their time.
GF
But not the Tri-Star
