A pioneer in European discount air travel, Ryanair Holdings offers low-fare, no-frills air transportation via its main subsidiary, Ryanair. The carrier flies to about 160 destinations, including more than two dozen in Ireland and the UK; overall, it serves more than 25 countries throughout Europe, plus Morocco. Ryanair specializes in short-haul routes between secondary and regional airports. It operates from more than 40 bases, including airports in Belgium, France, Germany, Italy, Spain, and Sweden, as well as in Ireland and the UK. The carrier maintains a fleet of about 270 Boeing 737-800s. Ryanair holds a 29% stake in Aer Lingus and has launched several unsuccessful bids to acquire the rival Irish airline.