Singapore Airlines Ltd. engages in passenger and cargo air transportation. It operates through the following segments: Singapore Airlines, SilkAir, Budget Aviation, SIA Engineering Company, SIA Cargo, and Others. The Singapore Airlines segment provides passenger air transportation under the Singapore Airlines brand with a focus on full-service passenger serving short and long haul markets. The SilkAir segment covers passenger air transportation under the SilkAir brand with a focus on full-service passenger serving regional markets. The Budget Aviation segment consists of passenger air transportation under the Tiger Airways and Scoot brands with a focus on the low-cost passenger. The SIA Engineering Company segment comprises of airframe maintenance and overhaul services, line maintenance, technical ground handling services, and fleet management. The SIA Cargo segment involves in air cargo transportation and related activities. The company was founded on January 28, 1972 and is headquartered in Singapore.