Found and Explained Official on MSN

Boeing’s propeller-driven 747 that never flew

The Boeing 747-500 was a proposed ultra long range jumbo jet powered by advanced propfan engines instead of traditional ...
Piston-engined fighters ruled the roost for thirty years. A brutal survival of the fittest ensured a rapid evolution of these ...
With more than 1,000 of its C919 passenger planes on order, China's state-backed jet maker Comac had pledged to ramp up ...