This aircraft is one of three different A321 models that British Airways operates; this version is the International model that flies on routes to Cairo and Tel-Aviv.
The A321 is an ex-bmi aircraft that is configured with 23 Club World seats and 131 World Traveller seats. Club World is British Airways Business Class on long haul international routes and on this aircraft features Thompson Aero flat bed seats. World Traveller Class is British Airways Economy Class on long haul international routes and for this A321 features Geven "Piuma" Economy seating.
