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

In 1966, Pan Am ordered 25 Boeing 747-100s at a price amounting to $525 million. It was an excellent achievement for Boeing, knowing that the first order would cover over 80% of the development cost.

A month later, on January 22, 1970, the Boeing 747 officially entered commercial service with its launch customer, Pan Am. The airline's inaugural 747 flight carried 335 passengers and 20 crew ...