Only 55? Here is why Boeing only built so few stretched Boeing 757-300 aircraft.
Boeing 767 family consists of various variant, from -200 to -400ER and illustrate the art of incremental evolution. To passengers, the Boeing 767-300ER and Boeing 767-400ER may look almost identical ...
The Boeing 767 is a successful mid-sized widebody airliner and was produced in three fuselage lengths and more variants. It has been superseded as a passenger jet by its replacement, the Boeing 787 ...