The Airbus A320 family is a series of single-aisle aircraft widely acclaimed by airlines around the world. Ranging from low-cost carriers to traditional airlines, these aircraft are renowned for their fuel efficiency, reliability, and passenger comfort. Thanks to the widest single-aisle cabin on the market, passengers enjoy a spacious environment from the moment they board. Airbus' constant investment in research and development has enabled the A320 Family to incorporate major innovations, including advanced engines and large, fuel-efficient wingtip devices (Sharklets™), compared with previous generations. This versatile family includes the A318 and A319, ideal for shorter routes while maintaining the range and comfort of larger models. The A320 remains a benchmark in the industry, offering an optimal balance of capacity and operational efficiency. The A321 series, including the A321neo, A321neo LR, and A321neo XLR, represents the most advanced evolution of the family, designed to meet long-haul requirements with increased range and fuel efficiency. Among the members of the A320 family, the A321neo stands out as the most efficient aircraft. This model incorporates the latest engine generations and aerodynamic improvements, enabling a 20% reduction in fuel consumption and CO₂ emissions. The A321neo is versatile and adapts to a variety of economy models, offering a superior passenger experience thanks to its spacious cabin and modern amenities.