Singapore Airlines Limited is a Singapore-based company, which is engaged in passenger air transportation. The Company offers passenger and cargo air transportation, engineering services, training of pilots, air charters and tour wholesaling and related activities. Its segments include airline operations, which provides passenger air transportation; engineering services, which is in the business of providing airframe maintenance and overhaul services, line maintenance, technical ground handling services and fleet management program. It also manufactures aircraft cabin equipment, refurbishes aircraft galleys, provides technical and non-technical handling services and repair and overhaul of hydro-mechanical aircraft equipment; cargo operations, which is involved in air cargo transportation and related activities, and others, which offers services, such as training of pilots, air charters and tour wholesaling. It also offers ground services, inflight services and inflight services.