The aircraft's operating economics are fundamentally unappealing to legacy airlines.
British Airways Flight 9 turned into a near-catastrophe in June 1982 when a Boeing 747 flew into a volcanic ash cloud and all ...
For many 747-400 freighters, the cost of a major engine overhaul can exceed the market value of the airframe itself.
At the time, air travel was expanding rapidly, and airlines needed far more capacity to connect international hubs. The 747 ...