Sabena invited Belgian fashion designer Olivier Strelli to create a new range of uniforms for its cabin crews. A new name, Sabena World Airlines, and colours were introduced for the 1990s. The new livery had an overall white colour and the white circle tail logo in blue on the fin. A large "Sabena" title covered the fuselage in light blue and the name "Belgian World Airlines" was at times just visible, though the title was also painted on the fuselage in small, clear letters. The 1990s saw further fleet type renewal: the DC-10-30s were replaced with twin-engined Airbus A330 and the
Alcazar (airline) Sabena. In addition, they had a strong tie with Northwest Airlines. In 1989, KLM bought 20 percent of the then ailing airline. In 1992, KLM had made a bailout purchase of Northwest, securing a 25 percent ownership of the airline, which is the maximum a foreign airline is allowed to own in a US airline. Swissair cooperated with Delta Air Lines and Singapore Airlines in a triangular cooperation, which was highly valued by the company's management. Delta was significantly larger than the other two US partner airlines, and had a base in New York City, rather than Northwest's hubs in