FAMILY COMMONALITY - WITH EFFICIENCY AND VERSATILITY Customers like choice and the A330/A340 Family offers a choice of six models, two A330 versions plus four A340 versions. This family covers capacities from 250 to 380 seats (in a comfortable three-class cabin), or from 290 to 420 seats (in two-class configurations) and one pool of pilots can fly them all. Competing aircraft offer far less a choice, and less optimization to the customers’ needs. The A330/A340 introduced innovation in the family concept - a choice of configurations - two engines or four. Why? To achieve higher levels of optimization for different operational requirements. Maximum efficiency where it is needed, maximum versatility and better growth potential into new very long ranges where it is needed.