SABCA S.XII its development programme. SABENA continued to operate the Wessex until about the end of 1934. SABCA S.XII The S.A.B.C.A. S.XII or S.A.B.C.A S.12 was a four-passenger light transport aircraft with three engines and a high wing, built in Belgium early in the 1930s. The SABCA S.XII (or S.12) was a response to a July 1930 Belgian government call and funding for an all-Belgian multi-engine aircraft able to carry a useful load of between . This was prompted by the purchase that summer by the national airline, SABENA, of four Westland Wessex trimotors. Speed, range and cabin minimum dimensions were specified,
Kayala Airline served: The Kayala Airline fleet consisted of the following aircraft (at February 2008):Aviation All aircraft were operated by National Air Services. After operations ceased, the aircraft were stored. Kayala Airline Kayala Airline (previously called Al Khayala) was an airline based in Jeddah, Saudi Arabia. Kayala was a privately owned premium class airline operating domestic and international scheduled as well as charter services. Its main base was King Abdulaziz International Airport, Jeddah, with a hub at King Khalid International Airport, Riyadh. The airline started operations on 16 July 2005 and was wholly owned by Saudi aviation company National Air Services. Until