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,
Defrenne v Sabena (No 2) between private parties. Article 157 TFEU (119 TEEC, 141 TEC) was invoked which stated "Each Member State shall ensure that the principle of equal pay for male and female workers for equal work or work of equal value is applied" This, further to the case of Van Gend en Loos, identified the horizontal and vertical direct effect of Treaty provisions which could be invoked in national courts and hence they would be bound to protect individual rights. Defrenne v Sabena (No 2) Defrenne v Sabena (No 2) (1976) Case 43/75 is a foundational European Union law case, concerning direct effect