Singapore Airlines, together with subsidiaries, provides passenger and cargo air transportation services in East Asia, Europe, South West Pacific, the Americas, West Asia, and Africa. The company also offers engineering services, air charters, and tour wholesaling and related services. It also engages in the training of pilots; and provides aircraft maintenance services, including technical and non-technical handling at the airport; airframe maintenance and component overhaul services; and aviation insurance and pilot recruitment services. Further, the company is involved in the manufacture of aircraft cabin equipment and refurbishment of aircraft galleys; provision and marketing of cargo community systems; marketing and support of portal services for the air cargo industry; marketing of abacus computer reservations systems; and repair and overhaul of hydro mechanical equipment for Boeing and Airbus aircraft. As of March 31, 2015, its operating fleet consisted of 170 aircraft, including 162 passenger aircraft and 8 freighters.