In 1980, Pan Am significantly upgraded its first class cabins on its Boeing 747 and 747SP aircraft by introducing Sleeperette ...

From the original 747-100 to the 747-8, Boeing increased capacity to nearly ... In 1971, the manufacturer introduced the -200 model, featuring more powerful engines. Two examples of this variant ...

The Boeing 747 variants had different top speeds, with the 747-100 hitting 600 mph and the ... The newest 747 model, the 747-8, is operated by the likes of Lufthansa and Korean Air.

Let's begin where it all started with the Boeing 747-100 variant that was the first to ... we can extrapolate that the fuel efficiency of this model is 0.117 mpg or 0.050 kpg.