Speaking about the British Airways Boeing 777 fleet exclusively, there are four different seat maps for the aircraft: 777-200ER with first class, 777-200ER based at LGW, 777-200ER, and 777-300.

The Boeing 777-200ER is one of the most-used aircraft by British Airways for flights to the United States, as well as across its long-haul network. In the United States, it serves multiple ...