The 777 family is designed to fill the size gap between the 767 and 747. The market-driven 777-200 twinjet seats from 305 to 328 passengers in a typical three-class configuration. The initial 777-200, which was first delivered in May 1995, has a range of up to 5,925 miles.

The 777-200ER (extended range) was first delivered in February 1997. This model is capable of flying the same number of passengers up to 8, 861 miles.

The latest 777 derivative is the 777-300, a stretched version that provides seating for 328 to 394 passengers in a typical three-class configuration. The first airplane was delivered in May 1998.

Boeing is studying new versions of the 777-200 that could fly nearly 10,000 miles, as well as a longer-range version of the 777-300.