The world's largest charter airline, TUI United Kingdom (BY) flies to more than 95 destinations in Europe, Africa, Asia, North America, Central America and the Caribbean. The carrier's fleet of planes features one-cabin (Economy Class, known as Economy Club) and two-cabin (Premium Economy Class, known as Premium Club, and Economy Club) configurations. Thomson, which is based in the United Kingdom, has more than 15 operating bases spread across the United Kingdom and Ireland. Its largest bases are located at London Gatwick Airport (LGW), Manchester Airport (MAN) and Birmingham Airport (BHX).